Patents by Inventor Surya Kamin
Surya Kamin 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: 10907000Abstract: The present invention provides multifunctional amphiphilic copolymers having the structure set out below: wherein w, x, y, and z are molar percentages, the sum of which equals 100%; wherein R1 has the formula —(CH2CH2O)n—R2, where R2 is hydrogen or a C1-C10 alkyl group; R3 has the formula —(CH2)a—CH3; R4 is hydrogen or methyl; R5 has the formula —(OCH2CH2)b—O—(CH2)c—CH3 or —(OCH2CH2)b—O—C6H5; and n is an integer ranging from 1 to about 10, a is an integer ranging from 1 to about 21, b is an integer ranging from 1 to about 23, and c is an integer ranging from 1 to about 21. The present invention also provides compositions comprising the multifunctional amphiphilic copolymers including spray drift control compositions including agricultural compositions, consumer compositions, industrial compositions, and mining compositions. The present invention also provides methods for preparing and using the multifunctional amphiphilic copolymers.Type: GrantFiled: May 20, 2016Date of Patent: February 2, 2021Assignee: ISP INVESTMENTS LLCInventors: Sounak Sarkar, Karyn B. Visscher, Surya Kamin
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Patent number: 10656066Abstract: Optical imaging systems and methods are disclosed herein for investigating and analyzing one or more characteristics of a spray, including spray front velocity, spray sheet length, spray break-up dynamics, drift potential, and drop-size distribution. Optical imaging systems disclosed herein include an image acquisition device, one or more illumination source, a processor for processing and analyzing image data, a background, and a spray system that includes at least a nozzle. The image acquisition device and illumination sources are positioned on the same side of the spray. The processor has a first algorithm to generate a feedback correction factor and a second algorithm to identify droplets and develop a drop-size distribution for the spray. Optical imaging methods for determining spray characteristics are also disclosed and generally include the steps of providing an imaging system, capturing images of the spray with the imaging system, processing the images, and analyzing the images.Type: GrantFiled: March 9, 2016Date of Patent: May 19, 2020Assignee: ISP Investments LLCInventors: Sounak Sarkar, Surya Kamin
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Patent number: 10118981Abstract: The invention provides lactamic polymers comprising an acetoacetate moiety. The lactamic polymers may be readily functionalized and the functionalized lactamic polymers may be further derivatized to provide a wide variety of useful polymers having desirable chemical and physical properties. The lactamic polymers of the invention may be employed in a wide variety of compositions. (A); (B) wherein R1-R6, w, x, y, z, and n are described herein.Type: GrantFiled: October 7, 2016Date of Patent: November 6, 2018Assignee: ISP Investments LLCInventors: David K. Hood, Karyn B. Visscher, Surya Kamin, Sounak Sarkar
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Publication number: 20180127551Abstract: The present invention provides multifunctional amphiphilic copolymers having the structure set out below: wherein w, x, y, and z are molar percentages, the sum of which equals 100%; wherein R1 has the formula —(CH2CH2O)n—R2, where R2 is hydrogen or a C1-C10 alkyl group; R3 has the formula —(CH2)a—CH3; R4 is hydrogen or methyl; R5 has the formula —(OCH2CH2)b—O—(CH2)c—CH3 or —(OCH2CH2)b—O—C6H5; and n is an integer ranging from 1 to about 10, a is an integer ranging from 1 to about 21, b is an integer ranging from 1 to about 23, and c is an integer ranging from 1 to about 21. The present invention also provides compositions comprising the multifunctional amphiphilic copolymers including spray drift control compositions including agricultural compositions, consumer compositions, industrial compositions, and mining compositions. The present invention also provides methods for preparing and using the multifunctional amphiphilic copolymers.Type: ApplicationFiled: May 20, 2016Publication date: May 10, 2018Applicant: ISP INVESTMENTS LLCInventors: Sounak Sarkar, Karyn B. Visscher, Surya Kamin
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Publication number: 20180052088Abstract: Optical imaging systems and methods are disclosed herein for investigating and analyzing one or more characteristics of a spray, including spray front velocity, spray sheet length, spray break-up dynamics, drift potential, and drop-size distribution. Optical imaging systems disclosed herein include an image acquisition device, one or more illumination source, a processor for processing and analyzing image data, a background, and a spray system that includes at least a nozzle. The image acquisition device and illumination sources are positioned on the same side of the spray. The processor has a first algorithm to generate a feedback correction factor and a second algorithm to identify droplets and develop a drop-size distribution for the spray. Optical imaging methods for determining spray characteristics are also disclosed and generally include the steps of providing an imaging system, capturing images of the spray with the imaging system, processing the images, and analyzing the images.Type: ApplicationFiled: March 9, 2016Publication date: February 22, 2018Applicant: ISP Investments LLCInventors: Sounak SARKAR, Surya KAMIN
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Patent number: 9757704Abstract: This present application relates to microcapsules or compositions containing microcapsules wherein the microcapsules comprise a polymerizable lactamic copolymer. More particularly, certain aspects are directed to the use of polymerizable lactamic copolymers in the formation of coatings on microencapsulated particles. These polymerizable lactamic copolymers can result in surface modified microencapsulated particles that may be anionic, non-ionic, or cationic.Type: GrantFiled: December 22, 2010Date of Patent: September 12, 2017Assignee: ISP INVESTMENTS LLCInventors: David K. Hood, Karyn B. Visscher, Surya Kamin
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Publication number: 20170073447Abstract: The present invention provides polymers containing an acetoacetate moiety. The polymers may be readily functionalized and the functionalized polymers may be further derivatized to provide a wide variety of useful polymers having desirable chemical and physical properties. The polymers of the present invention may be employed in a wide variety of compositions, wherein R1-R6, w, y, and z are described herein.Type: ApplicationFiled: November 28, 2016Publication date: March 16, 2017Applicant: ISP Investments LLCInventors: David K. Hood, Surya Kamin, Karyn B. Visscher
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Publication number: 20170022313Abstract: The invention provides lactamic polymers comprising an acetoacetate moiety. The lactamic polymers may be readily functionalized and the functionalized lactamic polymers may be further derivatized to provide a wide variety of useful polymers having desirable chemical and physical properties. The lactamic polymers of the invention may be employed in a wide variety of compositions. (A); (B) wherein R1-R6, w, x, y, z, and n are described herein.Type: ApplicationFiled: October 7, 2016Publication date: January 26, 2017Applicant: ISP Investments LLCInventors: David K. HOOD, Karyn B. VISSCHER, Surya KAMIN, Sounak SARKAR
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Patent number: 9505862Abstract: The present invention provides polymers containing an acetoacetate moiety. The polymers may be readily functionalized and the functionalized polymers may be further derivatized to provide a wide variety of useful polymers having desirable chemical and physical properties. The polymers of the present invention may be employed in a wide variety of compositions, wherein R1-R6, w, y, and z are described herein.Type: GrantFiled: December 19, 2012Date of Patent: November 29, 2016Assignee: ISP INVESTMENTS LLCInventors: David K. Hood, Surya Kamin, Karyn B. Visscher
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Patent number: 9290721Abstract: The present application relates to a visually perceivable image-forming dye scavenging article capable of absorbing and/or inhibiting transfer of fugitive dyes released during laundering, the article comprising (i) a support substrate with an imprint of an image on at least one surface of the substrate; (ii) at least one dye scavenging compound fixably adhered to the imprinted image; (iii) optionally, a film forming agent; (iv) optionally, a cross-linking agent; (v) optionally, a rheology modifying agent; and (vi) optionally, a catalyst to accelerate the polymerization reaction. Also disclosed is a method of manufacturing the article and use of the same.Type: GrantFiled: December 9, 2011Date of Patent: March 22, 2016Assignee: ISP INVESTMENTS INC.Inventors: David K. Hood, Surya Kamin
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Patent number: 9169344Abstract: Disclosed herein a process for the preparation of reactive solution of polymerizable polymers comprising polymerizable reactive functionality and wherein one approach discloses a polymerizable polymer comprising a (i) N-vinyl amide monomer; (ii) dual functional monomer; and (iii) polymerizable monomelic solvent. An additional approach reveals about polymerizable polymer comprising (i) a base polymer made from N-vinyl amide monomer and a co-monomer with the proviso for grafting; (ii) graft functional monomer; and (iii) a polymerizable monomelic solvent to enable a medium for polymerization. Also, discloses about the compositions comprising reactive solution of polymerizable polymer and its various possible applications.Type: GrantFiled: November 19, 2010Date of Patent: October 27, 2015Assignee: ISP INVESTMENTS INC.Inventors: David K. Hood, Osama M. Musa, Surya Kamin
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Patent number: 8993507Abstract: Functional additives for cleansing compositions exhibiting enhanced anti soil-re-deposition and/or dye transfer inhibitory properties comprising polymers in the form of homopolymers, copolymers or terpolymers synthesized from at least one hydrophobic monomer. Examples of hydrophobic monomers include N-vinyl caprolactam, vinyl acetate, vinyl esters, acrylated glycols, methacrylamide, C1 to C12 alkyl- and C1 to C12 dialkylacrylamide, C1 to C12 alkyl- and C1 to C12 dialkylmethacrylamide, C1 to C12 alkyl aery late, C1 to C12 alkyl methacrylate, 4-butyl phenyl maleimide, octyl acrylamide.Type: GrantFiled: March 11, 2011Date of Patent: March 31, 2015Assignee: ISP Investments Inc.Inventors: David K. Hood, Karyn B. Visscher, Tony Gough, Surya Kamin, Purvita Shah, Jayanti V. Patel, Sarah Orton, Osama M. Musa
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Publication number: 20150005465Abstract: The present invention provides polymers containing an acetoacetate moiety. The polymers may be readily functionalized and the functionalized polymers may be further derivatized to provide a wide variety of useful polymers having desirable chemical and physical properties. The polymers of the present invention may be employed in a wide variety of compositions. wherein R1-R6, w, y, and z are described herein.Type: ApplicationFiled: December 19, 2012Publication date: January 1, 2015Inventors: David K. Hood, Surya Kamin, Karyn B. Visscher
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Patent number: 8808815Abstract: An inkjet-receptive article comprising a substrate having a coating thereon comprising a vinyl lactam polymer or copolymer and a polymer resin diluent coated from a solvent. A preferred vinyl lactam copolymer is polyvinylcaprolactam (PVCap)—vinyl acetate (VA). Also disclosed are solvent-based compositions for forming an inkjet-receptive coating on a substrate comprising: (i) a vinyl lactam polymer or copolymer; (ii) a solvent; (iii) optionally, a pigment; and (iv) polymer resin diluent.Type: GrantFiled: August 26, 2011Date of Patent: August 19, 2014Assignee: ISP Investments Inc.Inventors: David K. Hood, Surya Kamin, Karyn Visscher
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Publication number: 20130303431Abstract: The present application relates to a visually perceivable image-forming dye scavenging article capable of absorbing and/or inhibiting transfer of fugitive dyes released during laundering, the article comprising (i) a support substrate with an imprint of an image on at least one surface of the substrate; (ii) at least one dye scavenging compound fixably adhered to the imprinted image; (iii) optionally, a film forming agent; (iv) optionally, a cross-linking agent; (v) optionally, a rheology modifying agent; and (vi) optionally, a catalyst to accelerate the polymerization reaction. Also disclosed is a method of manufacturing the article and use of the same.Type: ApplicationFiled: December 9, 2011Publication date: November 14, 2013Applicant: ISP Investments Inc.Inventors: David K. Hood, Surya Kamin
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Publication number: 20130261268Abstract: The present invention provides lactamic polymers containing an acetoacetate moiety. The lactamic polymers may be readily functionalized and the functionalized lactamic polymers may be further derivatized to provide a wide variety of useful polymers having desirable chemical and physical properties. The lactamic polymers of the present invention may be employed in a wide variety of compositions. Formula (I) wherein R1-R7, x, y, z, and n are described herein.Type: ApplicationFiled: October 11, 2011Publication date: October 3, 2013Applicant: ISP Investments IncInventors: David K. Hood, Karyn B. Visscher, Surya Kamin
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Publication number: 20130198968Abstract: Functional additives for cleansing compositions exhibiting enhanced anti soil-re-deposition and/or dye transfer inhibitory properties comprising polymers in the form of homopolymers, copolymers or terpolymers synthesized from at least one hydrophobic monomer. Examples of hydrophobic monomers include N-vinyl caprolactam, vinyl acetate, vinyl esters, acrylated glycols, methacrylamide, C1 to C12 alkyl- and C1 to C12 dialkylacrylamide, C1 to C12 alkyl- and C1 to C12 dialkylmethacrylamide, C1 to C12 alkyl aery late, C1 to C12 alkyl methacrylate, 4-butyl phenyl maleimide, octyl acrylamide.Type: ApplicationFiled: March 11, 2011Publication date: August 8, 2013Inventors: David K. Hood, Karyn B. Visscher, Surya Kamin, Purvita Shah, Osama M. Musa, Tony Gough, Jayanti V. Patel, Sarah Orton
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Publication number: 20130085230Abstract: Disclosed herein a process for the preparation of reactive solution of polymerizable polymers comprising polymerizable reactive functionality and wherein one approach discloses a polymerizable polymer comprising a (i) N-vinyl amide monomer; (ii) dual functional monomer; and (iii) polymerizable monomelic solvent. An additional approach reveals about polymerizable polymer comprising (i) a base polymer made from N-vinyl amide monomer and a co-monomer with the proviso for grafting; (ii) graft functional monomer; and (iii) a polymerizable monomelic solvent to enable a medium for polymerization. Also, discloses about the compositions comprising reactive solution of polymerizable polymer and its various possible applications.Type: ApplicationFiled: November 19, 2010Publication date: April 4, 2013Applicant: ISP Investments Inc.Inventors: David K. Hood, Osama M. Musa, Surya Kamin, John Mckittrick
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Publication number: 20120276211Abstract: This present application relates to microcapsules or compositions containing microcapsules wherein the microcapsules comprise a polymerizable lactamic copolymer. More particularly, certain aspects are directed to the use of polymerizable lactamic copolymers in the formation of coatings on microencapsulated particles. These polymerizable lactamic copolymers can result in surface modified microencapsulated particles that may be anionic, non-ionic, or cationic.Type: ApplicationFiled: December 22, 2010Publication date: November 1, 2012Applicant: ISP Investments Inc.Inventors: David K. Hood, Karyn B. Visscher, Surya Kamin
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Publication number: 20120149578Abstract: Two-phase, aqueous polymeric systems comprised of lactamic monomers containing additives suitable for adjusting the cloud point temperature of the polymeric compositions are described. Of particular utility is the use of these additives to adjust the cloud point in aqueous solutions comprised of salts.Type: ApplicationFiled: June 8, 2010Publication date: June 14, 2012Applicant: ISP INVESTMENTS INC.Inventors: David K. Hood, Osama M. Musa, Surya Kamin