30results about "Investigating moisture content" patented technology

A composition, and methods of making and using such a composition, whereby the composition can include a printable ink formulation having a colorant which undergoes a visible color change upon exposure to a wetness threshold. The colorant can be highly resistant to leaching. Additionally, the colorant can be resistant to premature activation via ambient moisture or humidity.

Disclosed herein are devices, wound dressings and methods for determining the pH of fluid or a wound exudate at a wound. Example devices include a device comprising a surface configured to contact the fluid or wound and a pH indicator covalently bound thereto or applied to the surface, wherein the pH indicator has a first colour prior to contact with the fluid or the wound exudate and changes colour as a function of the pH of the fluid or wound exudate. Example devices include a device which indicates wound exudate loading within a wound dressing and wound dressing comprising an absorbent layer and a moisture indicator which indicates would exudate loading within the dressing, wherein the visibility of the moisture indictor changes as a result of a physical transformation of a first material within the dressing. Systems, devices, and methods are provided for monitoring wound status and progression by measuring pH levels indicated by pH-sensitive wound dressings. In some implementations, a wound is monitored by capturing an image of the pH-sensitive wound dressing and processing the captured image to determine the color of a pH indicator included on the wound dressing. The color of the indicator is determined in terms of RGB values from the image, and a pH value for the wound dressing is calculated from the dressing RGB values. The calculated pH value is then relayed to a user to be used as an indicator of wound status or health.

Visual indicating paste compositions are provided that are capable of producing a detectable color change upon contact with an aqueous liquid. The paste compositions include an indicator dye capable of changing color over a pH range of about 3 to about 11; an inorganic base capable of being converted to a more basic substance upon reaction with water; a liquid carrier (e.g., a polyalkylene glycol carrier); optionally, a gelling agent such as silica gel; and a proton donating compound such as a carboxylic acid or an organic sulfonic acid. When applied to a measuring probe, the paste compositions are particularly useful for detecting the level of water in the bottoms of tanks and delivery systems containing fuels such as gasoline by producing a clear, detectable color change upon contact with an aqueous liquid without bleeding or run-off. The paste compositions exhibit long shelf life and improved water resistance.

Solid-state imaging configured to acquire information regarding moisture content together with appearance data is disclosed. In one example, a solid-state imaging device includes an imaging element and a processing circuit. The imaging element includes, in a single pixel array, a visible-light receiving element that receives visible light and an infrared-light receiving element that receives infrared light in at least a short-wavelength infrared band. The processing circuit generates a first image illustrating an image of a dried food in a visible region and a second image illustrating an image of the dried food in an infrared region from data acquired by the imaging element, and inspects the dried food from the first image and the second image.

The present invention relates to an aerosol generating system comprising at least two aerosol generating articles, a pack for the aerosol generating articles, and an aerosol generating device. The pack may comprise an inner liner. The inner liner may be arranged to seal the aerosol generating articles prior to use. The pack may further comprise a humidity indicator. The humidity indicator may be arranged inside the inner liner. The present invention further relates to an aerosol generating article. The present invention further relates to a pack. The present invention further relates to an aerosol generating device. The present invention further relates to a kit.

To provide a novel method for diagnosing a film for degradation which allows a more efficient and more secure determination of a degraded state of the film based on resin.SOLUTION: The present invention relates to a method for diagnosing a film based on resin for degradation to achieve the object, the method using an analysis technique B as a non-destructive method as described below: the analysis technique B is a technique of confirming the presence or absence of acid anhydride and a sign of a hydrolysis reaction in the film by Fourier transform infrared spectroscopy analysis.SELECTED DRAWING: Figure 1

Provided are covalent organic frameworks (COFs). The COFs may be used to bind or capture perfluorinated compounds, such as, for example, perfluorooctanoic acid (PFOA). The COFs may assemble and form nanoparticles suitable in methods of the present disclosure. Additionally, COFs may be used as fluorescent indicators to detect perfluorinated compounds, or temperature and / or humidity. COFs of the present disclosure may have the following structure: (I) wherein each R is independently (II) or (III) and each R' is independently (IV) or (V) wherein at least one R is (VI) or (VII) wherein each R is independently (VIII) or (IX) each R' is independently (X) or (XI) wherein at least one R is (XII).

The present invention relates to the technical field of aerospace, in particular to a test paper for detecting free water in aviation fuels and preparation method thereof and a detection device. The test paper comprises a filter paper, and K3[Fe(CN)6] and powdery mixture of FeSO4 and a chelator, which are loaded on the surface of the filter paper. A method for preparing the test paper to detect free water in aviation fuels comprises soaking a filter paper in aqueous solution of K3[Fe(CN)6], drying the filter paper to obtain an intermediate test paper, and coating a surface of the intermediate test paper with the powdery mixture of the FeSO4 and the chelator. The test paper for detecting free water in aviation fuels provided by the present invention has the advantages of simple and convenient detection method, easy operation, no need of specialization, no use of instrument, convenient use, naked eye intuitive and concise detection, fast detection, high efficiency, high detection sensitivity, long effective service life, easy judging of failure through intuitive color change, improved detection reliability and low production cost.

An object of the present invention is to provide a novel method for diagnosing film degradation which can identify the degraded state of a film based on a resin more efficiently and reliably than ever. In order to attain this object, a method for diagnosing the degradation of a film based on a resin is adopted, the method comprising using the following analysis method A and / or analysis method B, which is a non-destructive analysis method: analysis method A: confirming the presence or absence of abnormality in the film by visual observation and olfactometry, and analysis method B: confirming the presence or absence of an acid anhydride and a sign of hydrolysis reaction as to the film by Fourier transform infrared spectroscopy analysis.

A visual indicator paste composition capable of undergoing a detectable color change upon contact with an aqueous liquid is provided. The paste composition comprises an indicator dye capable of changing color in a pH range of about 3 to about 11; an inorganic base capable of reacting with water to convert to a more basic substance; a liquid carrier (e.g., a polyalkylene glycol carrier); optionally, a gelling agent, such as silica gel; and a proton-donating compound, such as a carboxylic acid or organic sulfonic acid. The paste composition is particularly adapted for detecting water levels at the bottom of tanks and distribution systems containing fuels, such as gasoline, by undergoing a distinct, detectable color change without bleeding or spillage upon contact with aqueous liquids when applied to a measurement probe. The paste composition exhibits extended shelf life and improved water resistance.

The present disclosure generally relates to a humidity control indicator solution that is applied to a substrate to indicate a relative humidity. The humidity control indicator solution changes color depending on the relative humidity. The humidity control indicator solution may be non-toxic, such that it may be used in close proximity to items that cannot be near toxic substances, such as food items, or other consumables. In some embodiments, the substrate including the dried humidity control indicator solution may be applied to a product package, or a humidity control device.

The invention relates to a device (1) for detecting moisture, comprising at least one cord (2) made of an absorbent material, a housing (5) made of a moisture-tight material, into which an end portion (6) of the at least one cord leads in order to allow the moisture to spread along the particular cord into the housing (5), wherein the housing has a viewing window (11) through which at least one monitoring interior (25) can be at least partially viewed from the outside, said monitoring interior being designed to allow liquid to collect and / or being designed for the arranging of at least one moisture indicating element (7). According to the invention, the at least one cord has a cord color and at least one contrast color portion (3) in which color pigments (4) in a contrast color are applied to the particular cord, and at least one planar moisture indicating element (7) made of an absorbent material having an indicating element color is arranged in the at least one monitoring interior, said moisture indicating element being in contact with the at least one cord in order to allow color pigments transported along the particular cord by moisture to be deposited.

The invention relates to pipeline transportation. Technical result is represented by simplicity of implementation and increase in efficiency of monitoring of moisture content and pressure in pipeline hollows. Installation indicating cartridge filled with silica gel that allows for visual inspection of its indication, the latter is installed on the pipeline while gas circulation between the pipeline and cartridge is provided. Pressure gauge is connected to the indicating cartridge, and the latter is purged with gas from the pipeline. Value of pressure in the pipeline is determined, and in case obtained results deviate from the specified value, a conclusion on the pipeline depressurization is made. Change of moisture content of gas in the pipeline is determined by indicating cartridge color change.

Providing a composition and coloring agent that can change their colors as clearly as possible in the presence of water or a water-containing liquid, a manufacturing method for the coloring agent, a color-changing article retaining the coloring agent, a water detection material and coloring material blended with the coloring agent, and a color-changing article to which the coloring material has been applied to bond the coloring agent. A composition comprising at least an electron-donating color-developing organic compound, an electron-accepting compound, and a color development regulator that hampers the color development by the electron-donating color-developing organic compound and the electron-accepting compound, wherein the color development regulator is hydrophilic, and the composition can change the color thereof in the presence of water or a water-containing liquid. A coloring agent comprising the composition, which composition is retained or carried by a specified microbody and can change its color in the presence of water or a water-containing liquid, wherein the specified microbody allowing water or a water-containing liquid to come into contact with the retained or carried composition.

Efficient method of monitoring of moisture content and pressure in decommissioned pipeline hollows. In the method comprising installation of indicating cartridge filled with silica gel that allows for visual inspection of its indication, the latter is installed on the pipeline, while gas circulation between the pipeline and cartridge is provided. Pressure gauge is connected to the indicating cartridge, and the latter is purged with gas from the pipeline. Value of pressure in the pipeline is determined, and in case obtained results deviate from the specified value, a conclusion on the pipeline depressurization is made. Change of moisture content of gas in the pipeline is determined by indicating cartridge color change. Device for implementation of the method according to the first embodiment comprises connecting pipelines, connecting fittings and stop valves, as well as the indicating cartridge filled with silica gel and pressure gauge connected in series. Device for implementation of the method according to the second embodiment comprising connecting pipelines, connecting fittings and stop valves, as well as the indicating cartridge filled with silica gel and pressure gauge connected in series, that includes a pipeline connected with connecting pipelines that together form closed circulation loop of gas between the decommissioned pipeline and indicating cartridge. Indicating cartridge is made of transparent material and is fitted with a protective enclosure and gauze elements.

An aerosol-generating system is provided, including at least two aerosol-generating articles, a pack for the articles, and an aerosol-generating device, the pack including: an inner liner arranged to seal the articles before usage; a humidity indicator arranged inside of the inner liner; and an outer housing, an inner liner being arranged within the outer housing, and the device including: a controller, and a communication element to receive humidity information of an article and including a humidity detector including a camera pointed toward the humidity indicator of the pack, the device being configured to be operated in two different operating regimes, and the controller to control operation of the device in the operating regimes based upon the received humidity information. An aerosol-generating article, and a kit including at least two aerosol-generating articles, are also provided.

The present disclosure generally relates to a humidity control indicator solution that is applied to a substrate to indicate a relative humidity. The humidity control indicator solution changes color depending on the relative humidity. The humidity control indicator solution may be non-toxic, such that it may be used in close proximity to items that cannot be near toxic substances, such as food items, or other consumables. In some embodiments, the substrate including the dried humidity control indicator solution may be applied to a product package, or a humidity control device.

A method for identifying a state of a stream of refrigerant includes capturing a plurality of sample images of a sensor for sensing the stream of the refrigerant, processing each of the plurality of sample images to identify a first color indicative of a dry refrigerant and a second color indicative of a wet refrigerant. The method also includes calculating an aggregated volume of each of the first color and the second color, wherein the aggregated volumes of the first color and the second color indicate a dry refrigerant or the wet refrigerant respectively in the stream. Further, the method includes comparing an aggregated volume ratio of the first color and the second color with a first threshold ratio and a second threshold ratio and determining the state as one of a dry state, a transient state, and a wet state based on the comparison.

The present invention relates to a drain (3) for a sanitary area, in particular for a bathtub or shower tray (2) or as a floor drain, comprising a drain housing (3.1), wherein the drain housing (3.1) is at least partially transparent in such a way that at least one housing segment (3.3), which defines an outer surface of the drain housing (3.1), is transparent, wherein the transparent drain housing (3.1) or housing segment (3.3) is designed to detect inadmissible moisture in an environment of the outer surface of the drain housing (3.1). The invention particularly relates to the use of such a drain in combination with a bathtub or shower tray.

A composition, and methods of making and using such a composition, whereby the composition can include a printable ink formulation having a colorant which undergoes a visible color change upon exposure to a wetness threshold. The colorant can be highly resistant to leaching. Additionally, the colorant can be resistant to premature activation via ambient moisture or humidity.

Thermometer on a self-adhesive advertising film, whereby the thermometer can be placed either on the film or, in the case of transparent film, protected between the film adhesive and the carrier film.

The present invention relates to systems and methods for determining fluid quality. The system includes a sensing device. The sensing device includes an outer housing and an inner housing inserted within the outer housing. The sensing device includes a plurality of sensors configured to detect one or more parameters related to a fluid stored in a receptacle and ambient parameters of the receptacle. The sensing device further includes a control circuitry configured to generate sensory data based on the parameters related to the fluid and the ambient parameters of the receptacle.Further, the system includes a central control module. The central control module predicts, by one or more Artificial Intelligence (Al) models, the fluid quality of the fluid stored in the receptacle basedon the sensory data. The Al models predict the fluid quality of the fluid based onmapping the sensory data with the set of predefined fluid quality profiles.

The present invention relates to a hot melt wetness indicator adhesive for personal hygiene disposable articles, specifically, to a hot melt that does not cause skin irritation or skin allergies. The hot melt wetness indicator adhesive is comprised of a polymeric component, a resin component, a plasticizer component, a surfactant component, a pH indicator, and an antioxidant component.

The present invention relates to systems and methods for determining fluid fill metric of fluid (e.g., wine, bourbon, etc.) in a receptacle and evaluating fluid quality. The sensing device includes an outer housing and an inner housing. The inner housing includes a cavity adapted to receive a portion of a fluid stored in the receptacle while the sensing device is inserted into the receptacle. The sensing device includes a first sensor module configured to generate an electric field based on detecting at least one electrical parameter of the portion of the fluid in the cavity. The sensing device includes a control circuitry communicably coupled to the first sensor module. The control circuitry determines a fluid fill metric of the fluid in the receptacle and generates sensory data based on processing the fluid fill metric, the ambient parameters, and one or more parameters associated with the fluid.

A method for identifying a state of a stream of refrigerant includes capturing a plurality of sample images of a sensor for sensing the stream of the refrigerant, processing each of the plurality of sample images to identify a first color indicative of a dry refrigerant and a second color indicative of a wet refrigerant. The method also includes calculating an aggregated volume of each of the first color and the second color, wherein the aggregated volumes of the first color and the second color indicate a dry refrigerant or the wet refrigerant respectively in the stream. Further, the method includes comparing an aggregated volume ratio of the first color and the second color with a first threshold ratio and a second threshold ratio and determining the state as one of a dry state, a transient state, and a wet state based on the comparison.

A hot-melt wetness indicator composition, comprising: (A) at least one C13-30 aliphatic monohydric alcohol; (B) at least one polymer selected from a vinylpyrrolidone homopolymer, a vinylpyrrolidone / vinyl acetate copolymer, and any combination thereof, the polymer having a weight-average molecular weight Mw ranging from 4,000 g / mol to 1,000,000 g / mol; (C) at least one leuco dye; (D) at least one color developer; and (E) at least one tackifier, wherein the hot-melt wetness indicator composition is free of a rosin-based tackifier and a surfactant. Also provided herein are an article comprising the composition and use of the composition. The hot-melt wetness indicator composition is skin-friendly, and has an excellent compatibility, an excellent discoloration performance including significant change in color and rapid discoloration speed, and a higher hydrostatic pressure that allows the applicability in highly breathable films for alleviating or avoiding the fluid leakage issue.

A system and method for use in determining skin dryness by processing images of a test patch of the kind comprising a membrane impregnated with a moisture indicator which has a first colour in the dry anhydrous state, and which changes to a second colour at a certain moisture content which corresponds to normal skin moisture are disclosed. A user operable computer device having a camera, a processor, and an area of memory, a computer program stored in the memory of the user operable device, a scorecard having at least one colour reference target in which the computer program causes the user operable computer device to process an image of the scorecard with a test patch placed on it after the test patch has been applied to an area of skin, the processing determining a dryness of the area of the skin.

A method of manufacturing a colorimetric sensor is provided. The method includes a step of obtaining metalloporphyrin, a step of synthesizing the metalloporphyrin into a metal-organic framework, a step of adsorbing the metal-organic framework onto a dye catcher sheet, and a step of drying the dye catcher sheet. According to the method, based on a good color change reactivity of metalloporphyrin and a structural feature (a wide surface area based on an internal empty space) of a metal-organic framework synthesized from the metalloporphyrin, a colorimetric sensor including the metal-organic framework may provide a good color change reactivity on a gas of a low concentration.

A composition, and methods of making and using such a composition, whereby the composition can include a printable ink formulation having a colorant which undergoes a visible color change upon exposure to a wetness threshold. The colorant can be highly resistant to leaching. Additionally, the colorant can be resistant to premature activation via ambient moisture or humidity.

The present invention relates to a hot melt wetness indicator adhesive for personal hygiene disposable articles, specifically, to a hot melt that does not cause skin irritation or skin allergies. The hot melt wetness indicator adhesive is comprised of a polymeric component, a resin component, a plasticizer component, a surfactant component, a pH indicator, and an antioxidant component.