Patents by Inventor Himal Ray
Himal Ray 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: 10961330Abstract: A process for improving a latex comprising the steps of (a) providing a latex comprising a polymer binder, wherein said polymer binder is formed by polymerization of a monomer mixture comprising one or more ethylenically unsaturated carboxylic acid functional monomer, and (b) passing said latex comprising said polymer binder over a cation exchange resin.Type: GrantFiled: February 6, 2018Date of Patent: March 30, 2021Assignee: Rohm and Haas CompanyInventors: Edward La Fleur, Himal Ray, Jose Antonio Trejo O'Reilly
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Patent number: 10421877Abstract: Provided is an aqueous composition comprising latex polymer particles that comprise (a) 40% to 95%, by weight based on the dry weight of the latex polymer, a core polymer that comprises (i) polymerized units of one or more monofunctional vinyl monomers, and (ii) polymerized units of one or more multivinyl monomers, and (b) 5% to 60%, by weight based on the dry weight of the latex polymer, a shell polymer that comprises (i) polymerized units of one or more monofunctional vinyl monomers, and (ii) polymerized units of one or more vinyl monomers having a latent crosslinking group selected from the group consisting of trialkoxysilyl groups, oxoacetyl groups, and mixtures thereof.Type: GrantFiled: March 23, 2016Date of Patent: September 24, 2019Assignee: Rohm & Haas CompanyInventors: Edward E. Lafleur, Himal Ray, Gaurav Pranami
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Publication number: 20180223026Abstract: A process for making preseed particles comprising, consisting of, or consisting essentially of the steps of: mixing initial seed latex particles; a monomer mixture comprising at least one monomer and at least one copolymerizable surfactant, at least one initiator and a chain transfer agent, is disclosed. The preseed particles, a monomer mixture comprising at least one monomer and at least one copolymerizable surfactant, and at least one initiator can then be mixed to form oligomer seed particles. The oligomer seed particles can be used to produce acrylic beads.Type: ApplicationFiled: May 31, 2016Publication date: August 9, 2018Inventors: Edward E. LaFleur, Himal Ray, Edwin Nungesser
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Publication number: 20180162963Abstract: A process for improving a latex comprising the steps of (a) providing a latex comprising a polymer binder, wherein said polymer binder is formed by polymerization of a monomer mixture comprising one or more ethylenically unsaturated carboxylic acid functional monomer, and (b) passing said latex comprising said polymer binder over a cation exchange resin.Type: ApplicationFiled: February 6, 2018Publication date: June 14, 2018Inventors: Edward La Fleur, Himal Ray, Jose Antonio Trejo O'Reilly
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Publication number: 20180112099Abstract: Provided is an aqueous composition comprising latex polymer particles that comprise (a) 40% to 95%, by weight based on the dry weight of the latex polymer, a core polymer that comprises (i) polymerized units of one or more monofunctional vinyl monomers, and (ii) polymerized units of one or more multivinyl monomers, and (b) 5% to 60%, by weight based on the dry weight of the latex polymer, a shell polymer that comprises (i) polymerized units of one or more monofunctional vinyl monomers, and (ii) polymerized units of one or more vinyl monomers having a latent crosslinking group selected from the group consisting of trialkoxysilyl groups, oxoacetyl groups, and mixtures thereof.Type: ApplicationFiled: March 23, 2016Publication date: April 26, 2018Inventors: Edward E. LAFLEUR, Himal RAY, Gaurav PRANAMI
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Publication number: 20180105698Abstract: A method of treating a textile comprising (i) bringing the aqueous composition of claim 1 into contact with said textile and (ii) then evaporating said water from said aqueous composition.Type: ApplicationFiled: March 28, 2016Publication date: April 19, 2018Inventors: Edward E. Lafleur, Himal Ray, Gaurav Pranami
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Patent number: 9932419Abstract: A process for improving a latex comprising the steps of (a) providing a latex comprising a polymer binder, wherein said polymer binder is formed by polymerization of a monomer mixture comprising one or more ethylenically unsaturated carboxylic acid functional monomer, and (b) passing said latex comprising said polymer binder over a cation exchange resin.Type: GrantFiled: May 20, 2015Date of Patent: April 3, 2018Assignee: Rohm and Haas CompanyInventors: Edward La Fleur, Himal Ray, Jose Antonio Trejo O'Reilly
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Publication number: 20170298212Abstract: This invention relates to a polymeric composition suitable for greenhouse film applications, and greenhouse films made therefrom. The polymeric composition suitable for greenhouse film applications according to the present invention comprises a) 50 to 99 percent by weight of a continuous polymeric phase comprising a polymer selected from the group consisting of a polyolefin, a polyolefin copolymer, an ethylene propylene copolymer with an acrylic ester, an ethylene or propylene copolymer with a vinyl acetate, and combinations thereof; and b) 1 to 50 percent by weight of polymeric particles having an average particle diameter of 0.5 to 10 ?m; a refractive index from 1.474 to 1.545; an average particle hardness from 1.2367E+10 N/m2 to 8.4617E+10 N/m2; and at least 60% polymerized acrylic monomer units.Type: ApplicationFiled: June 17, 2015Publication date: October 19, 2017Inventors: Edward E. LaFleur, Alexander Williamson, Sekhar Sundaram, Rajesh P. Paradkar, Himal Ray
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Publication number: 20170165948Abstract: A film comprising a) at least one base layer comprising a thermoplastic polymeric matrix material; and b) a skin layer comprising a thermoplastic polymeric matrix material and from 5 wt % to 80 wt % of polymeric particles having an average particle diameter from 0.5 ?m to 15 ?m, a refractive index from 1.46 to 1.7, and at least 60 mole % of acrylic monomer units wherein the film is stretched by a factor of 2 to 8 uniaxially or biaxially; and wherein after stretching, the skin layer has a thickness that is between 50% and 200% of the diameter of the polymeric particles, and a method of making the film, are disclosed.Type: ApplicationFiled: February 9, 2015Publication date: June 15, 2017Inventors: Rajasingh Solomon Thomas Udhaya Singh, Alexander Williamson, Edward E. Lafleur, Sekhar Sundaram, Xinyu Gu, Debkumar Bhattacharjee, Himal Ray
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Publication number: 20170081434Abstract: A process for improving a latex comprising the steps of (a) providing a latex comprising a polymer binder, wherein said polymer binder is formed by polymerization of a monomer mixture comprising one or more ethylenically unsaturated carboxylic acid functional monomer, and (b) passing said latex comprising said polymer binder over a cation exchange resin.Type: ApplicationFiled: May 20, 2015Publication date: March 23, 2017Applicant: Rohm and Haas CompanyInventors: Edward La Fleur, Himal Ray, Jose Antonio Trejo O'Reilly
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Patent number: 9352583Abstract: The present invention provides a thermal recording material having a thermosensitive layer comprising single phase diffuser polymer particles. Each of the diffuser polymer particles has a refractive index at the center thereof (RIcenter) different from a refractive index at the surface thereof (RIsurface), and a continuous refractive index gradient, sometimes referred to as GRIN technology. The diffuser polymer particles may have a RIcenter of from 1.46 to 1.61 and a particle size of 0.85 to 15 microns. Additionally, the thermal recording material of the present invention may also include heat deformable particles and a binder. The present invention also provides a method for providing an image by subjecting selected portions of a recording material such as that described above to a physical agent selected from the group consisting of heat, pressure, and combinations thereof, sufficient to reduce the opacity of said selected portions.Type: GrantFiled: August 13, 2014Date of Patent: May 31, 2016Assignee: Rohm and Haas CompanyInventors: Edward La Fleur, Gaurav Pranami, Himal Ray
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Publication number: 20160017133Abstract: A film comprising from 1 to 50 wt % of polymeric particles having: (a) an average particle diameter from 0.5 to 15 ?m; (b) a refractive index from 1.46 to 1.7; and (c) at least 60% polymerized residues of acrylic monomers; and a continuous polymeric phase comprising a polyolefin; wherein an average refractive index difference measured from 400 nm to 800 nm between the polymeric particles and the continuous polymeric phase is at least 0.03.Type: ApplicationFiled: March 21, 2014Publication date: January 21, 2016Inventors: Xuming Chen, Claudia Hernandez, Edward La Fleur, Edwin Hugh Nungesser, Himal Ray
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Publication number: 20150049152Abstract: The present invention provides a thermal recording material having a thermosensitive layer comprising single phase diffuser polymer particles. Each of the diffuser polymer particles has a refractive index at the center thereof (RIcenter) different from a refractive index at the surface thereof (RIsurface), and a continuous refractive index gradient, sometimes referred to as GRIN technology. The diffuser polymer particles may have a RIcenter of from 1.46 to 1.61 and a particle size of 0.85 to 15 microns. Additionally, the thermal recording material of the present invention may also include heat deformable particles and a binder. The present invention also provides a method for providing an image by subjecting selected portions of a recording material such as that described above to a physical agent selected from the group consisting of heat, pressure, and combinations thereof, sufficient to reduce the opacity of said selected portions.Type: ApplicationFiled: August 13, 2014Publication date: February 19, 2015Inventors: Edward La Fleur, Gaurav Pranami, Himal Ray
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Publication number: 20050282930Abstract: An aqueous inkjet ink composition suitable for printing on a hydrophobic surface such as a vinyl surface including an aqueous vehicle, a self-dispersed pigment, a silicone-containing surfactant and an aqueous emulsion polymer having a glass transition temperature (Tg) of from ?40° C. to 150° C. Also provided is a method for printing an image on a hydrophobic substrate.Type: ApplicationFiled: June 8, 2005Publication date: December 22, 2005Inventors: Zhenwen Fu, Hailan Guo, Michael Hallden-Abberton, Himal Ray