Patents by Inventor Kishor Kumar Mistry
Kishor Kumar Mistry has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 11717471Abstract: The present application provides hydrogel microcapsules, particularly, canonized hydrogel microcapsules having improved substantivity. This application further relates to the use of hydrogel microcapsules for delivering encapsulated actives in a wide range of industries and applications including: agrochemicals, pharmaceuticals, cosmetics industry, personal care products, laundering detergents, homecare & cleaning products, dish washing detergents, oral care, dental care, textiles, paper, mining, oil industry, water treatment, adhesives, coatings, plastics, sealants, construction, paints, inks and dyes onto different substrate surfaces such as skin, hair, textiles.Type: GrantFiled: December 1, 2011Date of Patent: August 8, 2023Assignee: ISP Investments LLCInventors: Kishor Kumar Mistry, Abdul Wahab Hussain, Petra Helga Beck, David Vaughan Palmer, Benjamin Roger Sales, Andrew Mint
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Patent number: 11396000Abstract: The present application describes a microcapsule comprising: (i) a lipophilic core material, and (ii) a microcapsule shell, wherein microcapsule shell formed from oil-in-water emulsion polymerisation of monomer mixture consisting essentially of: (a) greater than 70 to about 99% by weight of at least one polyfunctional ethylenically unsaturated monomer, (b) about 1 to about 30% by weight of at least one unsaturated carboxylic acid monomer or its ester, and (c) about 0 to about 30% by weight of at least one vinyl monomer. Also provides process for preparing the same and its method of use in various applications.Type: GrantFiled: January 13, 2017Date of Patent: July 26, 2022Assignee: ISP INVESTMENTS LLCInventors: Kishor Kumar Mistry, Assim Fiaz, Abdul Wahab Hussain, Terry Crutcher
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Patent number: 8993112Abstract: Polymeric particles comprising a polymeric matrix that has been formed from a blend of monomers comprising a first monomer which is an ethylenically unsaturated ionic monomer and a second monomer which is an ethylenically unsaturated hydrophobic monomer which is capable of forming a homopolymer of glass transition temperature in excess of 50° C., wherein secondary particles are distributed throughout the matrix, in which the secondary particles comprise a hydrophobic polymer that has been formed from an ethylenically unsaturated hydrophobic monomer which is capable of forming a homopolymer of glass transition temperature in excess of 50° C. and optionally other monomers, which hydrophobic polymer is different from the polymeric matrix. Also claimed is a process for preparing particles. The particles have improved shatter resistance. Preferably the polymeric particles comprise an active ingredient, especially a colorant.Type: GrantFiled: June 2, 2005Date of Patent: March 31, 2015Assignee: BASF SEInventors: Stewart Todd Elder, Christina Ligia Andrianov, Kishor Kumar Mistry, Janine Andrea Preston, Mark Christopher Baxter
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Patent number: 8747999Abstract: The present invention related to (micro-or nano-) capsules that have two different functional groups on the outer shell of the particles that allow deposition onto the textile surfaces (i.e. exhibit substantivity) and subsequent covalent bonding of the particles onto the textile (i.e. are reactive towards the fiber).Type: GrantFiled: November 20, 2006Date of Patent: June 10, 2014Assignee: BASF SEInventors: Bryan David Grey, Kishor Kumar Mistry, Chun-tian Zhao
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Publication number: 20130302392Abstract: The present application provides hydrogel microcapsules, particularly, canonized hydrogel microcapsules having improved substantivity. This application further relates to the use of hydrogel microcapsules for delivering encapsulated actives in a wide range of industries and applications including: agrochemicals, pharmaceuticals, cosmetics industry, personal care products, laundering detergents, homecare & cleaning products, dish washing detergents, oral care, dental care, textiles, paper, mining, oil industry, water treatment, adhesives, coatings, plastics, sealants, construction, paints, inks and dyes onto different substrate surfaces such as skin, hair, textiles.Type: ApplicationFiled: December 1, 2011Publication date: November 14, 2013Inventors: Kishor Kumar Mistry, Abdul Wahab Hussain, Petra Helga Beck, David Vaughan Palmer, Benjamin Roger Sales, Andrew Mint
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Patent number: 8270063Abstract: The invention relates to an electrophoretic display, comprising electrodes and cells containing at least one kind of ionic, monochrome particles, a non-polar liquid and a dispersant, wherein the ionic, monochrome particles of at least one kind are essentially aggregates consisting of a carbon containing pigment and a cationic pigment orcationic pigment derivative, and the dispersantis selected from the group consisting of polyacrylates, polyesters, polyurethanes and copolymers, with the proviso that the cationic pigment or cationic pigment derivative is not a reaction product of carbonblack with diazotated procaine hydrochloride. In general, the whole quantity of the pigment and the main part, preferably at least 80%, most preferred from 95% to 100%, of the whole cationic pigment or cationic pigment derivative present within the cells is comprised in the aggregates, with essentially no pigment and only a minor part of the cationic pigment or cationic pigment derivative physically distinct from the aggregates.Type: GrantFiled: August 28, 2008Date of Patent: September 18, 2012Assignee: BASF SEInventors: Margherita Fontana, Gerardus De Keyzer, Philippe Bugnon, Marcel Hahn, Kishor Kumar Mistry, Clemens Auschra
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Publication number: 20120149265Abstract: A particulate composition comprising, A) an organic phase change material, B) a water insoluble polymeric matrix comprising, B1) polymeric material containing repeating monomer units formed from i) at least one hydrophobic ethylenically unsaturated monomer(s), and ii) at least one hydrophilic ethylenically unsaturated monomer(s) which provides the polymeric material with pendent functional groups, and, B2) a cross-linking component derived from a cross-linking compound which has reacted with said pendent functional groups of the polymeric material, in which the organic phase change material (A) is distributed as a separate phase throughout the water insoluble polymeric matrix (B).Type: ApplicationFiled: June 15, 2010Publication date: June 14, 2012Applicant: BASF SEInventors: Kishor Kumar Mistry, Ian Stuart Biggin, Mark Christopher Baxter, Martin Peter Butters
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Patent number: 8040592Abstract: The invention relates to an electrophoretic display, comprising electrodes and cells containing at least one kind of ionic, monochrome particles, a non-polar liquid and a dispersant, wherein the ionic, monochrome particles of at least one kind are essentially aggregates consisting of a carbon containing pigment and an anionic pigment or anionic pigment derivative, and the dispersant is selected from the group consisting of polyacrylates, polyesters, polyurethanes and copolymers. In general, the whole quantity of the pigment and the main part, preferably at least 80%, most preferred from 95% to 100%, of the whole anionic pigment or anionic pigment derivative present within the cells is comprised in the aggregates, with essentially no pigment and only a minor part of the anionic pigment or anionic pigment derivative physically distinct from the aggregates.Type: GrantFiled: June 27, 2007Date of Patent: October 18, 2011Assignee: BASF SEInventors: Margherita Fontana, Gerardus De Keyzer, Philippe Bugnon, Marcel Hahn, Kishor Kumar Mistry, Clemens Auschra
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Publication number: 20110147965Abstract: The invention relates to a process of preparing polymer particles which comprise an effective amount of at least one colourant, a polymer matrix and secondary particles distributed within the polymer matrix. The process comprises the following steps: A) Preparation of an emulsion of a polymer formed from a monomer blend in an aqueous phase and Formation of the secondary particles in the aqueous phase; B) Addition to the aqueous phase of an effective colouring amount of at least one colourant; C) Dispersing or dissolving the colourant in the aqueous phase; and D) Subjecting the emulsion to dehydration in a spray-drying unit.Type: ApplicationFiled: April 29, 2009Publication date: June 23, 2011Applicant: BASF SEInventors: Kishor Kumar Mistry, Mark Christopher Baxter
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Patent number: 7947294Abstract: The present invention relates to personal care or cosmetic compositions that contain a shatter-resistant blend of microencapsulated colorants that can produce a natural, textured tone effect. A method for cosmetic treatment comprises application of such personal care or cosmetic compositions onto at least a part of the body.Type: GrantFiled: June 8, 2005Date of Patent: May 24, 2011Assignee: BASF SEInventors: Todd Elder, Christina Ligia Andrianov, Kishor Kumar Mistry, Janine Andrea Preston, Mark Christopher Baxter
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Publication number: 20100290103Abstract: The invention relates to an electrophoretic display, comprising electrodes and cells containing at least one kind of ionic, monochrome particles, a non-polar liquid and a dispersant, wherein the ionic, monochrome particles of at least one kind are essentially aggregates consisting of a carbon containing pigment and a cationic pigment orcationic pigment derivative, and the dispersantis selected from the group consisting of polyacrylates, polyesters, polyurethanes and copolymers, with the proviso that the cationic pigment or cationic pigment derivative is not a reaction product of carbonblack with diazotated procaine hydrochloride. In general, the whole quantity of the pigment and the main part, preferably at least 80%, most preferred from 95% to 100%, of the whole cationic pigment or cationic pigment derivative present within the cells is comprised in the aggregates, with essentially no pigment and only a minor part of the cationic pigment or cationic pigment derivative physically distinct from the aggregates.Type: ApplicationFiled: August 28, 2008Publication date: November 18, 2010Applicant: BASF SEInventors: Margherita Fontana, Gerardus De Keyzer, Philippe Bugnon, Marcel Hahn, Kishor Kumar Mistry, Clemens Auschra
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Publication number: 20100265564Abstract: The invention relates to an electrophoretic display, comprising electrodes and cells containing at least one kind of ionic, monochrome particles, a non-polar liquid and a dispersant, wherein the ionic, monochrome particles of at least one kind are essentially aggregates consisting of a carbon containing pigment and an anionic pigment or anionic pigment derivative, and the dispersant is selected from the group consisting of polyacrylates, polyesters, polyurethanes and copolymers. In general, the whole quantity of the pigment and the main part, preferably at least 80%, most preferred from 95% to 100%, of the whole anionic pigment or anionic pigment derivative present within the cells is comprised in the aggregates, with essentially no pigment and only a minor part of the anionic pigment or anionic pigment derivative physically distinct from the aggregates.Type: ApplicationFiled: June 27, 2007Publication date: October 21, 2010Inventors: Margherita Fontana, Gerardus De Keyzer, Philippe Bugnon, Mercel Hahn, Kishor Kumar Mistry, Clemens Auschra
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Publication number: 20100239642Abstract: Described are coating compositions for marking substrates comprising a) a solvent, b) a salt of a phosphorus or boron containing acid and an amine or imine, c) a salt of a non-phosphorus and non-boron containing acid and an amine or imine, d) a binder, and e) optionally additional ingredients, their manufacture and use, wherein the above-mentioned salts can also be present in an encapsulated form as a kind of pseudo-pigment. Substrates coated by the above compositions can be marked by laser irradiation.Type: ApplicationFiled: July 3, 2008Publication date: September 23, 2010Applicant: CIBA CORPORATIONInventors: Jonathan Campbell, Adolf Kaeser, Kathleen Hoekstra, Kishor Kumar Mistry
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Publication number: 20100168275Abstract: A microcapsule comprising a hydrophobic core within a polymeric shell, in which the core comprises: (a) 10 to 65% by weight of a hydrocarbon liquid or hydrocarbon wax containing hydrocarbon molecules of between 10 and 24 carbon chain length; and (b) 35 to 90% by weight of an aliphatic acid containing at least 6 carbon atoms, based on the total weight of the core. The microcapsules are suitable for use in heat storage systems and especially in heat transfer systems were it is normally necessary for the density of the microcapsules and the carrier fluid to be essentially the same.Type: ApplicationFiled: May 29, 2008Publication date: July 1, 2010Inventors: Chun-Tian Zhao, Kishor Kumar Mistry, Bryan David Grey
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Patent number: 7648715Abstract: Polymeric particles comprising a polymeric matrix and colourant distributed throughout the matrix, wherein the polymeric matrix that has been formed from a blend of monomers comprising a first monomer which is an ethylenically unsaturated ionic monomer and a second monomer which is an ethylenically unsaturated hydrophobic monomer which is capable of forming a homopolymer of glass transition temperature in excess of 50° C., and in which the first monomer is a salt of a volatile counterion component, characterized in that the polymeric matrix is impermeable to the colourant The particles obtainable by the process of the invention can be used in a variety of industrial processes, for instance in the manufacture of inks, paper and cosmetics.Type: GrantFiled: April 19, 2002Date of Patent: January 19, 2010Assignee: Ciba Specialty Chemicals Water Treatments Ltd.Inventors: Kishor Kumar Mistry, Kenneth Charles Symes, Janine Andrea Preston
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Publication number: 20090247406Abstract: The instant invention relates to encapsulated luminescent pigments, which are encapsulated by a polymeric shell. Further aspects of the invention are polymeric compositions containing these encapsulated luminescent pigments and their use in electronic devices and agricultural films.Type: ApplicationFiled: October 4, 2006Publication date: October 1, 2009Inventors: David De Corte, Mara Destro, Cesare Lorenzetti, Kishor Kumar Mistry, Michael Tinkl, Marcello Vitale
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Publication number: 20090155195Abstract: The present invention related to (micro-or nano-) capsules that have two different functional groups on the outer shell of the particles that allow deposition onto the textile surfaces (i.e. exhibit substantivity) and subsequent covalent bonding of the particles onto the textile (i.e. are reactive towards the fiber).Type: ApplicationFiled: November 20, 2006Publication date: June 18, 2009Inventors: Bryan David Grey, Kishor Kumar Mistry, Chun-tian Zhao
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Publication number: 20090104556Abstract: The present invention relates to micron to sub-micron sized coloured polymeric electrophotographic toner particles, a process for making those particles and their use as dry or liquid electrophotographic toners, and as component in the preparation of two-component electrophotographic developers. The particles comprise two different kinds of polymers and are made through dewatering of a water-in-oil emulsion.Type: ApplicationFiled: November 6, 2006Publication date: April 23, 2009Inventors: William Grierson, Lee Christina Miller, Kishor Kumar Mistry, Bryan David Grey, Mark Christopher Baxter
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Patent number: 7271142Abstract: A particulate composition comprising particles which consist of a shell wall surrounding a hydrophilic core, wherein the shell wall is formed from a polymeric coacervate and wherein the particles comprise a polymeric amphipathic stabiliser. Also claimed is a process of producing a particulate composition comprising particles which consist of a shell wall surrounding a hydrophilic core, comprising the steps of a) forming an aqueous liquid that contains a wall building material that is capable of forming the shell wall by coacervation, b) dispersing the aqueous liquid into a water immiscible liquid, which comprises a stabilising substance to form a dispersion that comprises aqueous droplets dispersed in a continuous phase of water immiscible liquid, c) subjecting the dispersion to coacervation conditions, such that the wall building material coacervates at the surface of the aqueous doplets, characterised in that the stabilising substance comprises a polymeric amphipathic stabiliser.Type: GrantFiled: June 14, 2002Date of Patent: September 18, 2007Assignee: Ciba Specialty Chemicals Water Treatments LtdInventors: Kishor Kumar Mistry, Bryan David Grey
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Patent number: 6825162Abstract: Water soluble granules or particles of saldimine-type manganese complexes that are suitable as catalysts in reactions with peroxy compounds are described. The granules are used especially in washing agents. They are distinguished by retarded disssolution of and improved action of the manganese complexes.Type: GrantFiled: March 11, 2004Date of Patent: November 30, 2004Assignee: Ciba Specialty Chemicals CorporationInventors: Menno Hazenkamp, Bryan David Grey, Kishor Kumar Mistry, Frank Bachmann, Josef Dannacher, Kenneth Charles Symes, Petr Kvita, Susanne Maier