Patents Examined by Wenwen Cai
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Patent number: 11965056Abstract: The invention relates to a polymer composition that can be produced by (a) reacting an NCO-reactive polymer having exactly one NCO-reactive group per molecule, with a diisocyanate, the molar ratio of the diisocyanate molecule to the NCO-reactive groups of the NCO-reactive polymer being at least 2:1; and (b) reacting the residual NCO groups in the reaction product from step a) with an NCO-reactive silane. The invention also relates to a moisture-reactive composition containing said polymer composition, to methods for producing the polymer composition, and to moisture-reactive compositions containing said polymer composition. Finally, the invention relates to the use of the polymer composition as a drying agent for moisture-curing adhesives, sealants and coating agents.Type: GrantFiled: August 14, 2019Date of Patent: April 23, 2024Assignee: Covestro Intellectual Property GmbH & Co. KGInventors: Christoph Thiebes, Florian Stempfle, Klaus Lorenz, Ute Nattke
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Patent number: 11952505Abstract: A waterborne one-component coating composition capable of self-crosslinking and exhibiting a gloss and hardness improvement when cured that is similar to a solventborne two-component composition. The composition includes a urethane phase including a polyurethane polymer with at least polyester diol monomer units, polycarbonate diol monomer units, and ketone-functionalized diol monomer units. The composition may include an optional acrylic phase including an acrylic polymer having monomer units selected from one of alkyl (meth)acrylate monomer units, vinyl acetate monomer units, styrene monomer units, ketone-functional vinyl monomer units, or combinations thereof. The composition includes a hydrazine-functionalized crosslinking agent configured to crosslink one of the ketone-functionalized diol monomer units, the ketone-functional vinyl monomer units, or both. The composition further includes one or more tertiary amine reaction moderators or neutralizing agents.Type: GrantFiled: January 3, 2023Date of Patent: April 9, 2024Assignee: SWIMC LLCInventors: Randolph B. Krafcik, Jose C. Aravena, James E. Rinz, Ruisong Xu, Zhangqing Yu
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Patent number: 11939486Abstract: An aqueous dispersion of polymeric particles comprising an emulsion polymer and a polyalkylene oxide with a weight average molecular weight in the range of 450 to 1,500 g/mole, and an aqueous coating composition with low VOCs comprising the aqueous dispersion and providing coatings made therefrom with improved water whitening resistance and hardness.Type: GrantFiled: October 16, 2018Date of Patent: March 26, 2024Assignees: Dow Global Technologies LLC, Rohm and Haas CompanyInventors: Yan Li, Junyu Chen, Cheng Shen, James C. Bohling, Zhi Juan Gong, Tao Wang
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Patent number: 11919982Abstract: Latex compositions are provided. In embodiments, a latex comprises water and resin particles. The resin particles comprise a polymerization product of reactants comprising one or more types of hydrophobic monomers and one or more types of acidic monomers comprising one or more types of phosphoric acid monomers, wherein a total amount of polymerized acidic monomers in the resin particles is at least about 8 weight % and a total amount of polymerized phosphoric acid monomers in the resin particles is at least about 2 weight %.Type: GrantFiled: December 9, 2021Date of Patent: March 5, 2024Inventor: Sepehr M. Tehrani
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Patent number: 11891493Abstract: A method for producing a colloidal aphron/graphene hybrid fluid composition. The method may include forming a first mixture by mixing a graphene oxide aqueous solution and a biopolymer solution. The method may further include forming a second mixture by mixing the first mixture with at least an ionic-surfactant solution and a non-ionic surfactant solution.Type: GrantFiled: September 28, 2021Date of Patent: February 6, 2024Assignees: AMIRKABIR UNIVERSITY OF TECHNOLOGYInventors: Mohammad Hossein Akhlaghi, Malek Naderi
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Patent number: 11884796Abstract: Provided is a composite material that shows a low specific dielectric constant, and that hardly causes an appearance failure or changes in characteristics when exposed to, for example, a treatment liquid to be used in the production of an electronic circuit board. Specifically, a plate-like composite material including polytetrafluoroethylene and a predetermined filler, and satisfying a predetermined condition serves as a composite material that shows a low specific dielectric constant, and that hardly causes an appearance failure or changes in characteristics even when exposed to, for example, a treatment liquid to be used in the production of an electronic circuit board.Type: GrantFiled: June 22, 2022Date of Patent: January 30, 2024Assignee: NITTO DENKO CORPORATIONInventors: Shimpei Yakuwa, Kou Uemura, Shunji Imamura, Tomoyuki Kasagi, Tao Gu
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Patent number: 11884807Abstract: The invention describes a method for the manufacture of a plasticized polyvinyl alcohol polymer mixture including the steps of: introducing into a mixing reactor a polyvinyl alcohol polymer comprising homopolymeric polyvinyl alcohol or a blend thereof having a degree of hydrolysis in the range of 93% to less than 98% or more; where the plasticizer comprises two or more compounds selected from the group consisting of diglycerol, triglycerol, xylose, D-mannitol, triacetin, dipentaerythritol, 1,4-butanediol, 3,3-dimethyl-1,2-butanediol, and caprolactam; reacting the water, the plasticizer and the polyvinyl alcohol polymer in the reaction zone to form the plasticized polymer; and allowing the plasticized polyvinyl alcohol polymer to pass from the primary outlet.Type: GrantFiled: July 6, 2021Date of Patent: January 30, 2024Assignee: Aquapak IP LimitedInventors: John Williams, Sian Griffiths, Robert Ashworth
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Patent number: 11884820Abstract: This silicone gel composition contains (A) an organopolysiloxane having one or more silicon atom-bonded alkenyl groups per molecule, (B) an organohydrogen polysiloxane having two or more silicon atom-bonded hydrogen atoms per molecule, (C) a platinum group metal-based curing catalyst, (D) an isocyanuric acid derivative having two trialkoxysilyl groups and one crosslinkable vinyl group and/or an isocyanuric acid derivative having three trialkoxysilyl groups, and (E) a ketenesilylacetal-type compound, and provides a cured product having a specific penetration.Type: GrantFiled: July 12, 2019Date of Patent: January 30, 2024Assignee: SHIN-ETSU CHEMICAL CO., LTD.Inventor: Tsuyoshi Matsuda
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Patent number: 11866602Abstract: A composition is described comprising at least one fluoropolymer. The fluoropolymer comprises at least 90% by weight based on the total weight of the fluoropolymer of polymerized units derived from perfluorinated monomers selected from tetrafluoroethene (TFE) and one or more unsaturated perfluorinated alkyl ethers and a fluorinated additive having a Mw of no greater than 50,000 g/mole comprising a partially fluorinated or perfluorinated alkyl or ether group. In some embodiments, the composition further comprises a fluorinated solvent. Also described are substrates comprising a coated surface of the fluoropolymer composition described herein.Type: GrantFiled: June 11, 2019Date of Patent: January 9, 2024Assignee: 3M Innovative Properties CompanyInventors: Naiyong Jing, Tho Q. Nguyen, Klaus Hintzer, Molly J. Smith, Gezahegn D. Damte
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Patent number: 11866569Abstract: Foams and methods of fabricating and using the same are provided. The foams can be free-standing and rigid and can be used as, for example, nanofiller networks. The shape and size of the foam pore interconnected network can be tailorable/tailored. The foams can be, for example, transition metal dichalcogenide (TMD) foams with a layered structure (e.g., tungsten sulfide (WS2) foams). A freeze-drying-based method can be used to fabricate bulk porous foam, which can be used for, e.g., polymer nanocomposites. A vacuum-assisted infiltration procedure can be used to fabricate a foam-polymer nanocomposite.Type: GrantFiled: May 30, 2023Date of Patent: January 9, 2024Assignee: THE FLORIDA INTERNATIONAL UNIVERSITY BOARD OF TRUSTEESInventors: Arvind Agarwal, Kazue Orikasa, Ambreen Nisar, Tony Thomas, Preyojon Dey
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Patent number: 11845899Abstract: The invention relates to method and composition for treating tailings from a separation process, where bitumen is separated from mineral solids. Tailings comprise an aqueous phase with suspended solid particulate material and residual bitumen and have a dry solids content <25 weight-%. The method comprises addition of a flocculating agent comprising polyacrylamide to the tailings, as well as addition of an auxiliary agent comprising ionic liquid to tailings in conjunction with the flocculating agent. Flocs, which comprise solid particulate material, are formed and the formed flocs are separated from the aqueous phase. The composition comprises a copolymer of (meth)acrylamide and an auxiliary agent comprising ionic liquid.Type: GrantFiled: April 1, 2021Date of Patent: December 19, 2023Assignee: KEMIRA OYJInventors: Thomas Fenderson, Lasse Kyllonen, Alistair King, Evangelos Sklavounos, Frances Fournier, Sukhjit Aujla
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Patent number: 11827731Abstract: The present disclosure relates to a photopolymer composition for hologram production comprising a polymer matrix or a precursor thereof having a glass transition temperature of 80° C. or less; a photoreactive monomer; a low refractive index fluorine-based compound; and a photoinitiator, a hologram recording medium produced from the photopolymer composition, an optical element comprising the hologram recording medium, and a holographic recording method using the hologram recording medium.Type: GrantFiled: January 10, 2020Date of Patent: November 28, 2023Assignee: LG CHEM, LTD.Inventors: Seokhoon Jang, Heon Kim, Se Hyun Kwon, Yeongrae Chang
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Patent number: 11827765Abstract: The present invention relates to a method of preparing reduced graphene oxide, incorporation of the reduced graphene oxide into polyisoprene latex to provide a polyisoprene latex graphene composite and elastomeric articles prepared using the polyisoprene latex-graphene composite. In particular, the reduction of graphene oxide is accomplished without the use of strong reducing agents and organic solvents and incorporation of the reduced graphene oxide into polyisoprene latex is accomplished using room temperature latex mixing method or hot maturation. The resultant composite exhibits good colloid stability and polyisoprene latex films produced from the composite exhibit good mechanical properties with improved ageing resistance.Type: GrantFiled: December 1, 2021Date of Patent: November 28, 2023Assignee: KAREX HOLDINGS SDN BHD.Inventors: Fook Peng Leng, Lai Peng Lim, Leng Kian Goh, Yi Yee Loh, Joon Ching Juan, Nay Ming Huang
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Patent number: 11820923Abstract: This invention relates to a curable composition comprising: I. Component (I) comprising a resin having at least one functional group selected from the group consisting of ?-ketoester and malonate functional groups; II. Component (II) comprising at least one curing agent having at least one aldehyde functional group; III. Component (III) comprising at least one amine, salts thereof, or combinations thereof; and, optionally IV.Type: GrantFiled: December 6, 2019Date of Patent: November 21, 2023Assignee: Eastman Chemical CompanyInventors: Shawn Marie Dougherty, Terri Roxanne Carvagno, Monika Karin Wiedmann Boggs
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Patent number: 11807764Abstract: An ink composition includes a quantum dot; a carboxyl group (—COOH)-containing binder polymer; an electrical insulating polymer precursor; a radical initiator; and a liquid vehicle, wherein the liquid vehicle includes a mixture of a first organic compound including a compound represented by Chemical Formula 1, a compound represented by Chemical Formula 2, or a combination thereof, and a second organic compound including a compound represented by Chemical Formula 3, a compound represented by Chemical Formula 4, or a combination thereof:Type: GrantFiled: July 10, 2019Date of Patent: November 7, 2023Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Hyeyeon Yang, Shin Ae Jun
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Patent number: 11787921Abstract: The present invention discloses a crystalline aluminum phosphite, a preparation method thereof and an application thereof as or for the preparation of a flame retardant or a flame retardant synergist. The preparation method has the following processes: 1, reacting aluminum hydrogen phosphite with an aluminum-containing compound in water at 80-110° C. to obtain a precipitate in the presence of no strong acid or a small amount of strong acid; 2, washing and filtering the precipitate; 3, drying the precipitate at 100-130° C.; 4, continuously heating the dried solid step by step at a low speed, where the material temperature is increased to not exceeding 350° C. from room temperature at about 5-10 h, with a temperature rise rate not exceeding 5° C./min.Type: GrantFiled: October 22, 2021Date of Patent: October 17, 2023Assignees: JIANGSU LISIDE NEW MATERIAL CO., LTD., ZHEJIANG UNIVERSITYInventors: Hua Lei, Jinzhong Li
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Patent number: 11781012Abstract: The use of at least one MXDZ polyamide, obtained from the polycondensation of meta-xylylenediamine (MXD), with a C6 to C18 aliphatic (Z) dicarboxylic acid, in particular C6 to C12, in a mixture including at least one aliphatic polyamide A obtained from the polycondensation of a unit selected from: a C6 to C12 lactam, a C6 to C12amino acid, and an XY unit obtained from the polycondensation of a C4 to C18, aliphatic diamine (X), especially C4 to C12, and a C6 to C18 aliphatic dicarboxylic acid (Y), especially C6 to C12, circular-section glass fibres and optionally at least one impact modifier and/or at least one additive, said at least one MXDZ polyamide and said mixture constituting a composition, and the MXDZ/A weight ratio being from 0.11 to 0.83, in particular from 0.11 to 0.66, to limit the warping of said composition during processing, in particular by injection or compression moulding.Type: GrantFiled: October 18, 2017Date of Patent: October 10, 2023Assignee: Arkema FranceInventors: Benoît Brule, Antoine Breuil, Hao Wang, Xiong Yao
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Patent number: 11767429Abstract: The present application discloses novel polyesteramides comprising cycloalkyl diols and/or cycloalkyl dialkanols with tunable properties based on the monomers and monomerratios used to prepare the polyesteramides and varying the reaction conditions. The present application also discloses compositions and articles.Type: GrantFiled: January 17, 2019Date of Patent: September 26, 2023Assignee: Eastman Chemical CompanyInventors: Joshua Seth Cannon, Emmett Dudley Crawford, Scott Ellery George, Kaan Gunes, Pinguan Zheng
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Patent number: 11753512Abstract: A flame-retardant polyester film and a method for manufacturing the same are provided. The flame-retardant polyester film includes a physically recycled polyester resin and a chemically recycled polyester resin. The physically recycled polyester resin is formed by a plurality of physically recycled polyester chips. The chemically recycled polyester resin is formed by a plurality of chemically recycled polyester chips and mixed with the physically recycled polyester resin. The plurality of chemically recycled polyester chips further includes chemically recycled electrostatic pinning polyester chips. The chemically recycled electrostatic pinning polyester chips contain electrostatic pinning additives, and the electrostatic pinning additives are metal salts. Expressed in percent by weight based on a total weight of the polyester film, a content of the electrostatic pinning additives in the polyester film is between 0.005% and 0.1% by weight.Type: GrantFiled: March 12, 2021Date of Patent: September 12, 2023Assignee: NAN YA PLASTICS CORPORATIONInventors: Wen-Cheng Yang, Te-Chao Liao, Chia-Yen Hsiao, Hao-Sheng Chen
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Patent number: 11746213Abstract: Provided is a modifier for a polyester-based resin film, containing alkali metal salt of alkylaryl sulfonic acid (A) in which an alkyl group includes 6 to 22 carbons, and an inorganic salt (B), the inorganic salt (B) being at least one selected from sodium sulfate, potassium sulfate, lithium sulfate, sodium chloride, potassium chloride, and lithium chloride.Type: GrantFiled: September 15, 2022Date of Patent: September 5, 2023Assignee: TAKEMOTO YUSHI KABUSHIKI KAISHAInventor: Yusuke Nishi