71 results about "Stannous ion" patented technology

The present invention relates to improved phosphopeptide stabilised amorphous calcium phosphate and / or amorphous calcium fluoride phosphate complexes and compositions containing those complexes. Methods of making the complexes of the invention and of treatment dental hypersensitivity are also provided. In one embodiment, the invention provides a stannous-associated phosphopeptide (PP) stabilized amorphous calcium phosphate (ACP) or amorphous calcium fluoride phosphate (ACFP) complex having a stannous ion content of equal to, or greater than, 1 mole of stannous per mole of PP but less than 4 moles of stannous per mole of PP.

The present invention relates to improved complexes of amorphous calcium phosphate and / or calcium by amorphous fluoride phosphate stabilised phosphopeptides / phosphoproteins by addition of stannous ions. These complexes have anticariogenic properties useful to protect tooth structures as they remineralize (repair) early stages of dental caries and have other dental / medical applications (including anti-calculus, anti-erosion / corrosion and anti-dentinal hypersensitivity). Methods of making the complexes of the invention and of treatment or prevention of various dental conditions including dental caries, dental calculus, dental erosion / corrosion and dental hypersensitivity are also provided.

Oral care compositions are disclosed that include a mixture of dentate ligands including mono-, di- and / or tetracarboxylic acid(s) as well as a stannous ion source and a fluoride ions source, such as stannous fluoride. Said oral care compositions show an ability to prevent and / or treat dental erosion and / or caries.

The invention discloses a surface nickel plating process for quartz glass, and aims to improve the adhesive force, uniformity and functional performance of a nickel plating layer, simplify the process flow and meet the environmental protection requirement. The process comprises the following steps: firstly, cleaning and roughening the surface of quartz glass, removing surface impurities through a 2% sodium hydroxide solution and a 10% hydrofluoric acid solution, and forming a microscopic rough structure; then treating in a sensitizing solution composed of stannous chloride and hydrochloric acid to enable the surface to adsorb stannous ions; then treating in an activating solution composed of palladium chloride and hydrochloric acid to form a catalytic active layer; then carrying out nickel plating reaction in a chemical nickel plating solution with the temperature of 85 DEG C and the pH value of 4.5, wherein the thickness of a plating layer is 5-10 microns; and finally, the waste liquid is neutralized and flocculated to realize environment-friendly discharge. The process is simple and convenient to operate, and the generated nickel coating is uniform and compact, has excellent conductivity and corrosion resistance, and can be widely applied to the fields of electronics, optics and chemistry.

Oral care compositions and, particularly, oral care compositions having enhanced stannous ion stability are disclosed herein. In accordance with at least one aspect, provided is an oral care composition comprising: a stannous source; and a cross-linked polyacrylic acid and / or a salt thereof, wherein the personal care composition has a weight ratio of the stannous source to the cross-linked polyacrylic acid and / or a salt thereof of about 4:1 to about 1:4.

Oral care compositions are disclosed comprising a mixture of dentate ligands including mono-, di- and / or tetracarboxylic acid(s) as well as a stannous ion source and a fluoride ions source, such as stannous fluoride. Said oral care compositions show an ability to prevent and / or treat dental erosion and / or caries.

The invention discloses a preparation method of a polymer carbon nitride / tin sulfide (PCN (at) SnS2) heterojunction photoanode, which comprises the following steps of: constructing the PCN (at) SnS2 heterojunction photoanode in situ on a conductive substrate (FTO) by combining an electrochemical deposition method and a chemical vapor deposition method, adding anhydrous stannous chloride into ethanol for dissolving, spin-coating stannous ions on the surface of the conductive substrate, and oxidizing in an air atmosphere; the preparation method comprises the following steps: adding stannous sulfate and sodium citrate into deionized water, and stirring for dissolving; the prepared conductive substrate is used as a working electrode, and a tin film is deposited on the surface of the conductive substrate by adopting a three-electrode system; dicyandiamide, cyanuric acid and potassium thiocyanate are ground and mixed evenly and then put into a porcelain boat, and the conductive substrate deposited with the tin film is placed on the surface of the precursor and wrapped with aluminum foil; placing the porcelain boat in a tubular furnace, reacting in a nitrogen atmosphere, and cooling to room temperature to form PCN-coated SnS2 on the surface of the FTO. The method improves the problems of insufficient light absorption range and high electron-hole recombination rate of the polymer carbon nitride material, and has the advantages of simplicity, controllability and the like.

Oral care compositions are disclosed that include a mixture of dentate ligands including mono-, di- and / or tetracarboxylic acid(s) as well as a stannous ion source and a fluoride ions source, such as stannous fluoride. Said oral care compositions show an ability to prevent and / or treat dental erosion and / or caries.

The present invention relates to improved complexes of amorphous calcium phosphate and / or amorphous calcium fluoride phosphate stabilised by phosphopeptides / phosphoproteins by addition of stannous ions. These complexes have anticariogenic properties useful to protect tooth structures as they remineralize (repair) early stages of dental caries and have other dental / medical applications (including anti-calculus, anti-erosion / corrosion and anti-dentinal hypersensitivity). Methods of making the complexes of the invention and of treatment or prevention of various dental conditions including dental caries, dental calculus, dental erosion / corrosion and dental hypersensitivity are also provided.

Disclosed are oral care compositions comprising: a tooth ligand mixture comprising a monocarboxylic acid, a dicarboxylic acid, and / or a tetracarboxylic acid; and a stannous ion source and a fluoride ion source, such as stannous fluoride. The oral care compositions show the ability to prevent and / or treat dental erosion and / or dental caries.

Oral care compositions are disclosed comprising a mixture of dentate ligands including mono-, di- and / or tetracarboxylic acid(s) as well as a stannous ion source and a fluoride ions source, such as stannous fluoride. Said oral care compositions show an ability to prevent and / or treat dental erosion and / or caries.

An oral care composition is provided and includes a natural flavor extract, a sulfur source such as dimethyl disulfide, a stannous ion source, and a soluble metal ion source that prevents the formation of methyl mercaptan. The natural flavor extract may contain dimethyl disulfide as an impurity. The soluble metal ion source may include a metal salt, a metal oxide, or a combination thereof, and the soluble metal ion source may include a copper ion source, a silver ion source, a zinc ion source, or combinations thereof.

Oral care compositions are disclosed comprising a mixture of dentate ligands including mono-, di- and / or tetracarboxylic acid(s) as well as a stannous ion source and a fluoride ions source, such as stannous fluoride. Said oral care compositions show an ability to prevent and / or treat dental erosion and / or caries.

The application discloses a kind of doped 3-trifluoromethylpyridine's tin-containing perovskite solar cell and preparation method thereof, preparation process includes: cleaning transparent conductive substrate is pretreated, deposition hole transport layer and carry out annealing treatment, 3-TFMP is added to tin-containing perovskite precursor solution and is stirred uniformly, and is deposited on the surface of hole transport layer, tin-containing perovskite active layer is obtained by annealing treatment, continue to deposit electron transport layer, hole blocking layer and top electrode in sequence, obtain tin-containing perovskite solar cell based on 3-TFMP doped perovskite after.The additive molecule containing strong electron-withdrawing functional group trifluoromethyl of the application can interact with SnI2 coordination in perovskite precursor to form complex (i.e. tin adduct), improve the redox potential of tin adduct, reduce highest occupied molecular orbital (HOMO) energy level, to inhibit stannous ion (Sn 2+ ) oxidation, improve the photoelectric conversion efficiency and stability of perovskite solar cell.

Disclosed herein are oral care compositions, in particular oral care compositions having enhanced stability of stannous ions. According to at least one aspect, there is provided an oral care composition comprising: a source of stannous ions; and crosslinked polyacrylic acid and / or salts thereof, wherein the weight ratio of the source of stannous ions to the crosslinked polyacrylic acid and / or salts thereof of the personal care composition is from about 4: 1 to about 1 :4.

Described herein are oral care compositions having: a surfactant system comprising four or more surfactants independently selected from the group consisting of non-sulfate anionic surfactants, amphoteric surfactants, nonionic surfactants, and amino acid surfactants; a source of stannous ions; a source of nitrate ions; and a source of phosphate radicals. Methods of making and using these compositions are also described.

The present invention relates to an oral care composition for treating or preventing aggressive tooth demineralization, plaque and dental caries. The oral care composition includes zinc lactate dihydrate, a source of stannous ions, at least one phosphate, and a buffer system.

This invention discloses a method for preparing tin dioxide hydrated colloidal precursors via dual-anode synchronous electrolysis, belonging to the field of electrochemical preparation technology of inorganic functional materials. The method includes the following steps: a) preparing an electrolyte containing 0.01 M hydrochloric acid and adjusting the initial pH value; b) using a high-purity tin plate as anode 1 and a titanium-based size-stabilized electrode as anode 2; using the titanium-based size-stabilized electrode as a common cathode; c) applying a DC voltage for constant-voltage synchronous electrolysis; anode 1 dissolves to generate stannous ions, anode 2 electrolyzes chloride ions to generate hypochlorous acid, and the hypochlorous acid instantly oxidizes the stannous ions to tetravalent tin ions in the bulk solution far from the cathode, forming a translucent tin dioxide hydrated colloidal precursor in situ in an acidic medium; d) drying the resulting colloid under reduced pressure and then calcining it at 200–250℃ to obtain high-purity nano-tin dioxide. This invention achieves integrated "dissolution-oxidation-gelation" through dual-anode synergy, avoiding the loss of hypochlorous acid during cathode reduction.

Disclosed herein are oral care compositions comprising docosahexaenoic acid (DHA) and at least one of (i) a stannous ion source, such as stannous fluoride, or (ii) tetradecyl aminobutyroylvalylaminobutyric urea trifluoroacetate, optionally further comprising arginine or a salt thereof, and methods of using the oral care compositions to treat inflammation in the oral cavity.

Oral care compositions are disclosed comprising a mixture of dentate ligands including mono-, di- and / or tetracarboxylic acid(s) as well as a stannous ion source and a fluoride ions source, such as stannous fluoride. Said oral care compositions show an ability to prevent and / or treat dental erosion and / or carics.

A stable stannous ion emulsion complex formed from combining a first aqueous phase with an oil phase to form a water in oil emulsion; forming a second aqueous phase; and combining the second aqueous phase with the water in oil emulsion. The first aqueous phase including water, stannous ions, a chelating agent, and a pH buffer. The oil phase including an oil and a first emulsifier. The water in oil emulsion including equal amounts of the oil phase and the first aqueous phase. The second aqueous phase including water, stannous ions, a chelating agent, a pH buffer, and a second emulsifier.

An oral care composition comprising a source of stannous ions and a surfactant combination of taurine salt and an amphoteric surfactant (e.g., betaine) effective to treat dental plaque biofilms and neutralize bacterial toxins while providing an improved sensory experience.

The present application discloses an anhydrous oral care composition comprising: (i) from about 0.01% to about 5% by weight of a strongly swellable, lightly to moderately crosslinked polyvinylpyrrolidone; (ii) about 10 wt% to about 60 wt% sodium bicarbonate; (iii) from about 0.01% to about 5% by weight of at least one source of fluoride ions; (iv) from about 0.01% to about 5% by weight of at least one source of stannous ions; and (v) from about 0.01% to about 75% by weight of at least one oral care ingredient.

The present invention relates to improved phosphopeptide stabilised amorphous calcium phosphate and / or amorphous calcium fluoride phosphate complexes and compositions containing those complexes. Methods of making the complexes of the invention and of treating or preventing oral conditions are also provided. In one aspect, the present invention provides a composition comprising equal to or greater than about 8% w / v stannous associated phosphopeptide (PP) stabilized amorphous calcium phosphate (ACP) or amorphous calcium fluoride phosphate (ACFP) complexes wherein the complexes have a stannous ion content of equal to, or greater than, 1 mole of stannous per mole of PP but less than 4 moles of stannous per mole of PP.

An oral care composition comprising a source of stannous ions, a taurine salt surfactant, and a source of soluble or partially soluble zinc ions effective to treat dental plaque biofilms and neutralize bacterial toxins while providing an improved sensory experience.

The present invention relates to improved complexes of amorphous calcium phosphate and / or amorphous calcium fluoride phosphate stabilised by phosphopeptides / phosphoproteins by addition of stannous ions. These complexes have anticariogenic properties useful to protect tooth structures as they remineralize (repair) early stages of dental caries and have other dental / medical applications (including anti-calculus, anti-erosion / corrosion and anti-dentinal hypersensitivity). Methods of making the complexes of the invention and of treatment or prevention of various dental conditions including dental caries, dental calculus, dental erosion / corrosion and dental hypersensitivity are also provided.

The present application discloses an anhydrous oral care composition comprising: (i) about 0.01 wt.% to about 5 wt.% of a strongly swellable, lightly to moderately crosslinked polyvinylpyrrolidone; (ii) about 10 wt.% to about 60 wt.% of sodium bicarbonate; (iii) about 0.01 wt.% to about 5 wt.% of at least one fluoride ion source; (iv) about 0.01 wt.% to about 5 wt.% of at least one stannous ion source; and, (v) about 0.01 wt.% to about 75 wt.% of at least one oral care ingredient.

This invention discloses a conductive dendritic composite gel, its preparation method, and its applications. The invention uses a hydrogel as a matrix, leveraging the hydrophilicity of the hydrogel framework to attract tin ions. Furthermore, by in-situ deposition of metal dendrites within the gel, a highly efficient conductive pathway is constructed. The conductive dendritic composite gel of this invention achieves simultaneous improvement in both mechanical and electrical properties. In addition, the sensor prepared based on this conductive dendritic composite gel exhibits high sensitivity and a wide detection range, effectively monitoring and identifying changes in limbs, demonstrating broad application potential in the field of wearable devices.

An oral care composition is disclosed, comprising: a dental ligand mixture comprising a monocarboxylic acid, a dicarboxylic acid, and / or a tetracarboxylic acid; and a stannous ion source and a fluoride ion source, such as stannous fluoride. The oral care composition exhibits the ability to prevent and / or treat tooth erosion and / or dental caries.

The present invention discloses a two-dimensional covalent organic framework material and a preparation method and application thereof. The preparation method comprises the following steps: placing 2,5-dimethoxybenzene-1,4-diformaldehyde, tetrakis(4-aminophenyl)ethylene, an acetic acid aqueous solution, and a first solution in an ampoule under inert gas protection, performing ultrasonication, and then refrigerating and cyclically pumping gas to prepare a two-dimensional organic framework material containing a Schiff base structure; the present invention adopts 2,5-dimethoxybenzene-1,4-diformaldehyde and tetrakis(4-aminophenyl)ethylene as precursors, introduces a simple imine bond structure into the covalent organic framework material, and compared with common small molecule fluorescent probes, the covalent organic framework material has a large specific surface area (353.13 m 2 / g), high sensitivity (228nM), and fast response time (50s); based on its superior recognition performance, it was applied to the detection of stannous ions in food cans, realizing the first application of covalent organic framework materials in the food field.