104 results about "Biocide" patented technology

Mobile or stationary air filter (L) or room fan (RL) according to Figure 1, comprising an outer wall (5), a (2) for generating an airflow (3) which is guided through an air filter material (1.1), an air inlet (2.1) and an air outlet (2.2), wherein the air filter material (1.1) contains poly(styrenesulfonic acid) (sulfonic acid biocide) (1.3) cross-linked with divinylbenzene and / or an acidic salt (1.3.1) (sulfonic acid biocide salt) of the sulfonic acid biocide (1.3) with biocidal cations, wherein the sulfonic acid biocide (1.3) and / or sulfonic acid biocide salt (1.3.1)(i) are positively and / or materially bonded to and / or in inert carriers and, in the fixed state, are in direct contact with carrier materials (1.1.7) on and / or in which biocidal Metal microparticles of a mean particle size d50 of 0.1 µm to <1,000 µm are fixed, and / or (ii) with carrier materials (1.1.7) on and / or in which biocidal metal microparticles of a mean particle size d50 of 0.1 µm to <1.000 µm are fixed, are mixed; its use and methods for the production and environmentally friendly disposal of air filter materials (1.1).

A method for passively producing hydrogen from a geological formation includes drilling a plurality of lateral wellbores into an iron-rich geological formation from a mother wellbore extending from a surface location. Each of the plurality of lateral wellbores has an inclination along its length of less than 90 degrees. A biocide configured to inactivate hydrogen-consuming microbes is placed into the plurality of lateral wellbores and thereby into formation water that is flowed from the geological formation into the plurality of wellbores. Hydrogen gas effervesced from the formation water in the plurality of lateral wellbores is collected via the mother wellbore. The hydrogen gas is generated at least in part from a water reduction reaction of minerals of the geological formation with the formation water and risen through the plurality of lateral wellbores passively by buoyancy effects without pumping.

The invention provides a method of reducing urea concentration in a reverse osmosis permeate, the method comprising: treating feed water of a reverse osmosis process with hypobromite to provide hypobromite-treated feed water with reduced urea concentration relative to the untreated feed water, optionally reducing residual oxidizing halogen species in the hypobromite-treated feed water with a reducing agent, activated carbon, ultraviolet (UV) light, or a combination thereof, adding an oxidative biocide to the hypobromite-treated feed water to provide biocide-treated feed water, and contacting the biocide-treated feed water with a reverse osmosis membrane to provide the reverse osmosis permeate.

An analyzer is disclosed for detecting and quantifying a glutaraldehyde (GLUT) composition in a water sample. The analyzer includes a peristaltic pump and a three-way valve, where the pump draws in a water sample comprising a GLUT composition through the 3-way valve. The analyzer also includes a 6-way valve that receives the water sample and a bovine serum albumin-coated gold (Au-BSA) nanoclusters reagent. The analyzer also includes: a debubbler that receive a mixture of the water sample and the reagent and removes bubbles from the mixture; and a reaction coil that receives the water sample and the reagent from the debubbler, such that they are reacted. The analyzer further includes a fluorescence flow cell that receives the reacted mixture; measures a fluorescence intensity of the Au-BSA nanoclusters in the mixture; and determines a concentration of the GLUT composition in the water sample based on the fluorescence intensity.

The present disclosure relates to waterborne compositions which comprise methylene blue as a preservative to prevent and / or significantly reduce the buildup of microbials, and mold growth during storage after manufacture and prior to use. This is particularly designed for waterborne coating compositions, especially waterborne film forming coating compositions for which standard biocides are unsuited because of their end use and customer requirements and for which if left unpreserved the development of such microbials, and mold growth can lead to several negative effects including viscosity change, color change, odor and even performance failure.

The invention relates to a device (10) for the biocide-free disinfection of cooling lubricants, comprising a withdrawal line (24, 28), a pump (32) for conveying the cooling lubricant through the device (10), a heating assembly (38) for heating the cooling lubricant to be disinfected to a disinfection temperature, and a discharge line (26, 42) for discharging the disinfected cooling lubricant from the device (10). The invention is characterized in that a reactor (36) is provided downstream of the heating assembly (38) in the conveying direction, said reactor being designed to maintain the heated cooling lubricant at the disinfection temperature in the reactor (36) for a predetermined period of time before the cooling lubricant leaves the reactor (36).

This present invention is directed to antimicrobial fabric care compositions that provide detersive benefits such as stain and soil removal and aesthetic benefits like softening, wrinkle-reduction and color-protection and when used discretely or synergistically during the laundry program reduce the risk of infections and promote health and hygiene by providing dose-dependent antimicrobial activities such as sanitizing, disinfecting and removing malodors from fabrics, and imparting 24-48 hour antimicrobial-durability into fabrics, and deactivating biofilms inside the washing machine and preventing biofilm formation inside the washing machine to prevent recontamination of fabrics. The compositions are well-suited for use in domestic, commercial and on-premise-laundry-operations such as healthcare facilities, hotels, cruise ships, and the like. Methods for discrete and synergistic uses to simultaneously treat fabrics and the internal surfaces of the washing machine are also disclosed.

The present invention provides a method for microbial control in an aqueous membrane separation system, wherein the microbial control is provided by a bromine-containing biocide.

Compostable cold packs have a compostable film sealingly enclosing a fill material. The fill material includes a compostable or biodegradable sponge contributing 1% to 10% weight solids to the fill material, at least 90% by weight water, and a biocide, with the sponge in an expanded state as a result of absorption of the water and biocide. The compostable film comprises (1) a cellulose based film that includes a sealant film comprised of either a) polybutylene adipate terephthalate (PBAT), b) polybutylene succinate (PBS), c) un-oriented polylactic acid (PLA), d) biaxially oriented PLA (BOPLA), or (e) a cellulose wood pulp and starch blend; (2) a BOPLA based film that includes an inner sealant film comprised of either a) polybutylene adipate terephthalate (PBAT), b) polybutylene succinate (PBS), or c) un¬ oriented polylactic acid (PLA); or (3) a single film of heat sealable BOPLA. Methods of making the cold packs are also disclosed.

The present invention relates to a method comprising the steps of: a) contacting styrene and an ethylenically unsaturated monomer under emulsion polymerization conditions to form an aqueous dispersion of styrenic copolymer particles and residual monomers; and b) contacting the dispersion of the styrenic copolymer particles with a reductant and a t-C4-C10-alkyl hydroperoxide to reduce the concentration of residual monomers in the aqueous dispersion to less than 1000 ppm of residual monomers; wherein the mole-to-mole ratio of the t-C4-C10-alkyl hydroperoxide to reductant is in the range of from 3:1 to 50:1. The method of the present invention provides a way of preserving a styrenic latex even in the absence of a biocide.

An adhesive, and / or a biopolymer that contains Cinnamon and / or cinnamic acid, Tee Tree Oil. Rosemary or other natural essential oil or essence. In at least one embodiment the wt % of Cinnamon is 0.4%. In at least one embodiment the wt % of cinnamic acid is at least 5%. In at least one embodiment the wt % of cinnamic acid is 7%. In at least one embodiment the wt % of cinnamic acid is at least 10%. In addition, there is a process for applying a natural biocide. The adhesive can be combined with paper products, corrugated cardboard or building materials such as wood panels.

A system, comprising: a chlorine source in form of an electrolysis unit to generate an insitu generated active chlorine; wherein a concentration of perchlorate is not more than half of a concentration of chlorate; and pH of a fluid containing in-situ generated active chlorine is more than 7.4; a buffer tank to store a concentrate of in-situ generated active chlorine as a free available chlorine (FAC); a fluid distribution system to supply FAC in form of an in-use fluid to the cabinet; wherein the system is configured to clean and disinfect an article with the fluid while complying with national and international standards for food safety, operator's safety and regulatory requirements regarding the use of biocides.

The present invention relates to a process comprising the steps of: a) stripping an acrylic or styrene-acrylic latex containing more than 1000 ppm of one or more acrylic and / or styrenic monomers to achieve a concentration of less than 1000 ppm of monomers, then b) adding 150 ppm to 1000 ppm of a C4-C10-alkyl hydroperoxide to the steam stripped latex. The method of the present invention provides a biocide-free method for preserving latex.

An analyzer is disclosed for detecting and quantifying a tetrakis(hydroxymethyl)phosphonium sulfate (THPS) composition in a water sample. The analyzer includes a peristaltic pump and a three-way valve, where the peristaltic pump draws in a water sample that includes a THPS composition through the 3-way valve. The analyzer also includes a 6-way valve that receives the water sample and a potassium permanganate reagent, and a reaction coil in which the water sample and the KMnO4 reagent are mixed and reacted. The analyzer further includes a debubbler that remove bubbles from the mixture; and a flow cell that receives the mixture from the debubbler, measures an intensity of KMnO4 absorption in the mixture, normalizes the measured intensity by subtracting a background intensity, and determine a presence and a concentration of the THPS composition in the water sample.

A biocide-generating device including a housing having an inlet and an outlet. The biocide-generating device additionally including a strainer basket that mounts within an interior of the housing including parallel electrode plates positioned within an interior of the strainer basket. The biocide generating device additionally including a protective dielectric sleeve in which the electrode plates are received. The protective dielectric sleeve is positioned between the electrode plates and the strainer basket.

The invention refers to a fungicide mixture comprising the biocides TBZ and PYM in the weight ratio of 20:1 to 1.1:1, in particular 10:1 to 1.1:1, preferably 5:1 to 1.1:1, wherein the total amount of TBZ and PYM based on the entire amount of biocidal actives is greater than 99 wt. % and its use for protecting wallboards.

The present invention is a composition comprising a) an aqueous dispersion of polymer particles optionally functionalized with a phosphorus acid monomer and having a z-average particle size as measured using dynamic light scattering in the range of from 50 nm to 500 nm; b) a salt of iodic acid; c) a C8-C10-alkyl phosphate or sulfate; with the proviso that when the polymer particles are not functionalized with the phosphorus acid monomer, the composition further comprises d) a hydrotrope. The composition of the present invention provides a way of preserving a latex against microbial growth in the absence of a biocide.

The invention relates to a waterborne antifouling coating composition comprising: i) a polymeric binder comprising a structural unit derived from an ethylenically unsaturated monomer; ii) one or more monocarboxylic acids or metal salts thereof; and iii) less than 8.0 wt%, relative to the total weight of the composition as a whole, of biocides, wherein said biocides comprise: a. tralopyril; and b. one or more copper compounds having a copper content of at least 40 wt%, relative to the formula weight of the copper compound; wherein the coating composition comprises at least 5 wt% water relative to the total weight of the composition as a whole.

The present disclosure provides methods of monitoring and controlling biocides in aqueous media, methods of making compositions, and various oxidizing biocide compositions suitable for use in aqueous media treatment processes. The method includes adding a first oxidizing biocide at a first injection point upstream of a reverse osmosis (RO) membrane inlet, adding a second oxidizing biocide at a second injection point upstream of the RO membrane inlet, obtaining a first sample of the aqueous medium from a first location downstream of the first injection point and the second injection point and upstream of the RO membrane inlet, and obtaining a second sample of the aqueous medium from a second location downstream of the first location but immediately upstream of the RO membrane. The method may also include measuring free residual oxidant concentration, total residual oxidant concentration, and redox potential of the first sample and the second sample, and adjusting biocide addition based on the measured values.

The invention discloses a bactericide and device for improving wheat stem rot resistance in the field of agricultural biocides, and the bactericide comprises the following components in parts by weight: 10-15 parts of magnolol, 30-50 parts of carvacrol and 1 part of ethapyroxad, and the bactericide comprises the following components in parts by weight: 10-15 parts of magnolol, 30-50 parts of carvacrol and 1 part of ethapyroxad. And the bactericide comprises the following components in parts by weight: 15 parts of magnolol, 40 parts of carvacrol and 1 part of ethapyroxad, or 10 parts of magnolol, 30 parts of carvacrol and 1 part of ethapyroxad. The biological activity of the bactericide and the affinity of succinate dehydrogenase are improved by modifying ethane on amino nitrogen of pydiflumetofen, the inhibition effect and stability are improved by mixing natural plant phenol, meanwhile, environmental pollution is reduced, and the mutation speed of pathogenic bacteria is delayed.

The invention relates to biochar and application thereof in an anti-biological agent, and belongs to the technical field of biochar. The biochar is prepared by treating gramineous plants at high temperature. The anti-biological agent is low in raw material cost, green and environment-friendly, does not need additional irritants, and has an excellent inhibition rate on pathogens, and the inhibition rate on Escherichia coli, Staphylococcus aureus and Candida albicans reaches 99.99%. The biochar disclosed by the invention has relatively good cost performance and relatively high applicability, and can meet the rapid increase of the requirement for resisting pathogenic bacteria in infectious diseases such as epidemic situations.

The present application relates to the application of cinnamyl aldehyde and compositions containing the same in the prevention and treatment of parasitic ticks. The present application relates to the field of biocides. The present application first discovers that cinnamyl aldehyde has insecticidal activity on ticks, especially Ixodes, and is safe to the host of the ticks, white star flower beetle adults, at a certain dose, so that cinnamyl aldehyde can be used as an insecticide for ticks. Further, the present application also discovers that although vermiculite has no insecticidal activity on ticks, when cinnamyl aldehyde is added to vermiculite, the composition of cinnamyl aldehyde and vermiculite is used to prevent and treat ticks, and vermiculite can improve the insecticidal effect of cinnamyl aldehyde. Combined with the soil burrowing habit of white star flower beetle adults, vermiculite coincidentally provides a shelter for them, which provides operability for the prevention and treatment of parasitic ticks.

The invention belongs to the technical field of biocides, and particularly relates to a bactericide for oil and gas field water injection and a preparation method thereof.The preparation method comprises the steps that 1, 4-butanediol diglycidyl ether and N-methyl-N-dodecyl benzylamine are synthesized into epoxy quaternary ammonium salt, then caffeine is connected to the epoxy quaternary ammonium salt, and biquaternary ammonium salt is obtained; 1, 4-butanediol diglycidyl ether is used as a linking group, so that the overall stability of the biquaternary ammonium salt can be improved, and the service life of the biquaternary ammonium salt can be prolonged to a certain extent; the caffeine can significantly reduce the drug resistance of bacteria to the biquaternary ammonium salt.

Compositions, testing chambers and methods for testing a fuel sample for microbial contamination (including fuels treated with a biocide) are provided, which comprise: a quantity of hydrocarbon fuel; a microbial contamination wherein the microbial contamination further comprises nucleic acid in the form of both DNA, RNA or a combination thereof, and an analyzing solution; wherein the analyzing solution comprises at least six (6) primer pairs for amplification of at least one target locus, wherein at least one primer of each pair of primers is labeled with a fluorescent dye and wherein at least one of the primer pair binds to the nucleic acid of the microbial contamination.

A method to reduce or eliminate N-heterocycles, the method providing one or more environmentally benign chelators (EBCs) to an aqueous cooling system, the aqueous cooling system having at least one N-heterocycle in the presence of a halogenating or non-halogenating oxidizer. A method to reduce or eliminate AOX, the method providing one or more environmentally benign chelators (EBCs) to an aqueous cooling system, the aqueous cooling system having at least one AOX-containing species in the presence of a halogenating biocide.

The invention provides a method of reducing urea concentration in a reverse osmosis permeate, the method comprising: treating feed water of a reverse osmosis process with hypobromite to provide hypobromite-treated feed water with reduced urea concentration relative to the untreated feed water, optionally reducing residual oxidizing halogen species in the hypobromite-treated feed water with a reducing agent, activated carbon, ultraviolet (UV) light, or a combination thereof, adding an oxidative biocide to the hypobromite-treated feed water to provide biocide-treated feed water, and contacting the biocide-treated feed water with a reverse osmosis membrane to provide the reverse osmosis permeate.

The invention is directed to an antifouling self-polishing coating composition comprising a silyl-acrylate copolymer, one or more metal-organic biocides each of which is present at no more than 1 wt%, one or more organic biocides, and a polar organic 5 solvent, where each organic biocide is present at no more than 1 wt%. It is suitable for application to substrates that are intended to be fully or partially immersed in water when in use, for example the immersible surfaces of ships, boats and offshore structures.

A biocidal aqueous suspension or colloid composition comprising a biocide and an aqueous composition comprising 4-15 wt.% sugar ester derived from esterification of a sugar and a fatty acid, 4-15% dia

The present invention provides a process for microbial control in an aqueous membrane separation system, in which microbial control is provided by a bromine-containing biocide.