Patents Examined by Jeffrey C. Mullis
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Patent number: 11661503Abstract: The present invention relates to a cross-linkable polyolefin composition comprising a first olefin polymer (A) comprising a first comonomer comprising epoxy groups, and a second olefin polymer (B) comprising a second comonomer comprising carboxylic acid groups and/or precursor thereof.Type: GrantFiled: May 23, 2019Date of Patent: May 30, 2023Assignee: BOREALIS AGInventors: Oscar Prieto, Denis Yalalov, Massimiliano Mauri, Christian Müller, Anna Peterson
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Patent number: 11655361Abstract: Provided is a thermoplastic resin composition which includes: a first copolymer including an acrylic graft copolymer; a second copolymer including an alkyl-substituted styrene-based monomer unit, a vinyl cyanide-based monomer unit, and a (meth)acrylate-based monomer unit; and a third copolymer including an alkyl-unsubstituted styrene-based monomer unit, a vinyl cyanide-based monomer unit, and a (meth)acrylate-based monomer unit. According to the present invention, a thermoplastic resin composition and a thermoplastic resin molded article, which are excellent in heat resistance, colorability, and scratch resistance, can be provided.Type: GrantFiled: February 10, 2020Date of Patent: May 23, 2023Assignee: LG CHEM, LTD.Inventors: Joon Hwi Jo, Seong Lyong Kim, Tae Hoon Kim, Dae Woo Lee, Jae Bum Seo
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Patent number: 11641853Abstract: The present invention provides a spreading agent for agrochemicals having excellent spreadability particularly against surfaces of plant leaves. The present invention also provides an agrochemical spray solution comprising the spreading agent for agrochemicals, and that shows excellent storage stability (particularly viscosity stability) even during long storage. The present invention relates to a spreading agent for agrochemicals that comprises an ethylene-modified vinyl alcohol polymer (A) having an ethylene unit content of 1.0 mol % to 19 mol %, a 1,2-glycol linkage unit content of 1.2 mol % to 2.0 mol %, a viscosity-average degree of polymerization of 200 to 5,000, and a degree of saponification of 80 mol % to 99.9 mol %.Type: GrantFiled: August 24, 2018Date of Patent: May 9, 2023Assignee: KURARAY CO., LTD.Inventors: Keisuke Morikawa, Taeko Kaharu
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Patent number: 11643540Abstract: Methods for forming latexes are provided. In embodiments, such a method comprises adding a first portion of a monomer emulsion comprising water, a monomer, an acidic monomer, a multifunctional monomer, and a first reactive surfactant to a reactive surfactant solution comprising water and a second reactive surfactant to form a reaction mixture, wherein the reactive surfactant solution does not comprise monomers other than the second reactive surfactant; adding a first portion of an initiator solution to the reaction mixture so that monomers undergo polymerization reactions to form resin seeds in the reaction mixture; adding a second portion of the monomer emulsion to the reaction mixture comprising the resin seeds; and adding a second portion of the initiator solution to the reaction mixture to form a latex comprising resin particles.Type: GrantFiled: May 25, 2021Date of Patent: May 9, 2023Assignee: Xerox CorporationInventors: Chunliang Lu, Valerie Kuykendall, Chieh-Min Cheng
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Patent number: 11643494Abstract: A composition is described comprising a styrene-isobutylene block copolymer; and at least one ethylenically unsaturated monomer. After curing the composition comprises polymerized units of the ethylenically unsaturated monomer. In some embodiments the ethylenically unsaturated groups are selected from (meth)acryl or vinyl ether. The composition is suitable for use as a (e.g. pressure sensitive) adhesive. Articles, methods of making an article, and methods of bonding are also described.Type: GrantFiled: July 8, 2019Date of Patent: May 9, 2023Assignee: 3M Innovative Properties CompanyInventors: Vasav Sahni, Saswata Chakraborty, Wayne S. Mahoney, Jason D. Clapper, Jacob P. Johnson, Ying Zhang, Albert I. Everaerts, Bryan V. Hunt, Richard B. Ross
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Patent number: 11643530Abstract: Embodiments relate to polyolefin compositions containing one or more high-density polyethylenes (HDPEs) and linear low-density polyethylenes (LLDPEs) and methods for forming the same. The polyolefin composition contains about 40 wt % to about 60 wt % of HDPE and about 40 wt % to about 60 wt % of LLDPE, by weight of the polyolefin composition. The HDPE has a density of greater than 0.93 g/cm3 and a melt index of about 0.2 dg/min to about 10 dg/min. The LLDPE has a density of less than 0.915 g/cm3 and a melt index of about 0.2 dg/min to about 10 dg/min. The polyolefin composition has a density of about 0.91 g/cm3 or greater, a melt index of about 0.5 dg/min to about 6 dg/min, and a Tw1?Tw2 value of about ?25° C. or less.Type: GrantFiled: April 12, 2021Date of Patent: May 9, 2023Assignee: ExxonMobil Chemical Patents Inc.Inventors: Dongming Li, Ching-Tai Lue, Qingyun Qian, Ling Ge, Gang Huang
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Patent number: 11634526Abstract: Provided is a rubber-containing graft polymer capable of reducing wet heat aging of a shaped article while improving the strength developing property of a thermoplastic resin. In the rubber-containing graft polymer of the present invention, a content of components having a weight-average molecular weight of 800,000 or more is 1% by mass or more with respect to an organic solvent-soluble fraction (100% by mass) of the rubber-containing graft polymer, and a phosphorus content in the rubber-containing graft polymer is 3 to 30 mmol/kg.Type: GrantFiled: April 13, 2020Date of Patent: April 25, 2023Assignee: Mitsubishi Chemical CorporationInventors: Misaki Hagi, Shinji Matsuoka, Masashi Iimori, Masahiro Ueda, Hiroya Arai
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Patent number: 11634570Abstract: A thermoplastic elastomer composition that can form a molded article having both high low-temperature impact resistance and high high-temperature impact resistance is provided. A specimen of the thermoplastic elastomer composition 30 mm wide×30 mm long×2.0 mm thick punched out from a central portion of a molded article formed by injection-molding the thermoplastic elastomer composition into a mold cavity 90 mm wide×150 mm long×2.0 mm thick at a cylinder temperature of 220° C., a mold temperature of 50° C., and an injection rate of 25 cm3/sec satisfies the following requirements: (1) an area increase rate S of the specimen after impregnation with petroleum benzine at 23° C. for 24 hours is 20% or less; and (2): a volume increase rate V of the specimen after impregnation with petroleum benzine at 23° C. for 24 hours is 20% or more and 125% or less.Type: GrantFiled: March 17, 2021Date of Patent: April 25, 2023Assignee: SUMITOMO CHEMICAL COMPANY, LIMITEDInventor: Tomoki Kanemori
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Patent number: 11629213Abstract: A graft polymer is provided, which includes a polymer backbone with a plurality of hydroxy groups, protection group modified histidine grafted onto the side of the polymer backbone, and hydrophilic polymer having terminal reactive group grafted onto the side of the polymer backbone. The graft polymer coating can be applied to metal material to form a composite material, which can be implanted into an organism to reduce adhesion problems.Type: GrantFiled: December 24, 2020Date of Patent: April 18, 2023Assignee: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTEInventors: Ting-Yu Shih, Chia-Chun Wang, Lu-Chih Wang, Yuan-Kun Yu, Shu-Fang Chiang, Yi-Ting Hsieh, Yu-Chun Liu, Jing-Wen Tang
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Patent number: 11623974Abstract: A method for producing a click-active Janus particle includes combining seed particles with a monomer emulsion to obtain monomer-swollen seed particles; and polymerizing the monomer-swollen seed particles to obtain click-active Janus particles. A method for functionalizing a click-active Janus particle includes combining seed particles with a monomer emulsion to obtain monomer-swollen seed particles; polymerizing the monomer-swollen seed particles to obtain click-active Janus particles; and functionalizing the click-active Janus particles using one or more click chemistry reactions.Type: GrantFiled: June 1, 2017Date of Patent: April 11, 2023Assignee: The Trustees of the University of PennsylvaniaInventors: Daeyeon Lee, Kathleen Stebe, Laura Bradley
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Patent number: 11624010Abstract: A method of producing an adhesive resin includes: a heating and kneading step of kneading a mixture containing a ring structure-containing hydrocarbon resin, an adhesive functional group-containing compound, and a peroxide while heating the mixture to obtain a heated and kneaded product; and a cooling and kneading step, performed in succession to the heating and kneading step, of kneading the heated and kneaded product while cooling the heated and kneaded product to obtain a cooled and kneaded product. The adhesive resin has a yellowness index (Yi) of 3.0 or less when 0.8 parts by mass of 2-(5-chloro-2-benzotriazolyl)-6-tert-butyl-p-cresol is added to 100 parts by mass of the adhesive resin.Type: GrantFiled: May 15, 2019Date of Patent: April 11, 2023Assignee: ZEON CORPORATIONInventor: Daido Chiba
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Patent number: 11618818Abstract: A composition comprising an acid and/or anhydride grafted ethylene/alpha-olefin interpolymer that comprises the following properties: A) number of grafts per polymer chain?1.80, and B) melt viscosity (at 177° C.)?50,000 mPa·s.Type: GrantFiled: April 12, 2018Date of Patent: April 4, 2023Assignee: Dow Global Technologies LLCInventors: Wanfu Ma, Santosh S. Bawiskar, Yi Jin, Ling Zhang-watson, Allan Walter Mclennaghan, Olaf Henschke
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Patent number: 11613602Abstract: Provided are a (meth)acrylic block copolymer exhibiting good active energy ray curability, in particular, curability of a blend thereof with an acrylate monomer, and an active energy ray curable composition comprising the (meth)acrylic block copolymer. The (meth)acrylic block copolymer includes a methacrylic polymer block (A) having an active energy ray curable group including a partial structure represented by the general formula (1) below wherein R1 denotes a hydrocarbon group having 1 to 10 carbon atoms, and W denotes a saturated hydrocarbon group having 1 to 10 carbon atoms, and an acrylic polymer block (B) having no active energy ray curable groups.Type: GrantFiled: November 12, 2018Date of Patent: March 28, 2023Assignee: KURARAY CO., LTD.Inventors: Junya Takai, Kenji Shachi
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Patent number: 11608401Abstract: Provided is a thermoplastic resin composition which includes: a first graft copolymer including a C4 to C10 alkyl (meth)acrylate-based monomer unit, an aromatic vinyl-based monomer unit, and a vinyl cyan-based monomer unit; a second graft copolymer including a C4 to C10 alkyl (meth)acrylate-based monomer unit, an aromatic vinyl-based monomer unit, and a vinyl cyan-based monomer unit; and a first styrene-based copolymer being a copolymer of a monomer mixture including a C1 to C3 alkyl-substituted styrene-based monomer, a vinyl cyan-based monomer, and a C1 to C3 alkyl (meth)acrylate-based monomer, wherein the first graft copolymer and the second graft copolymer have cores having mutually different average particle diameters. The thermoplastic resin composition is excellent in colorability, weather resistance, tensile strength, flexural strength, and impact strength.Type: GrantFiled: October 29, 2019Date of Patent: March 21, 2023Assignee: LG CHEM, LTD.Inventors: Joon Hwi Jo, Seong Lyong Kim, Dae Woo Lee, Jae Bum Seo
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Patent number: 11603461Abstract: Provided is a resin powder including a polyolefin-based resin, wherein a melting point of the resin powder is 150 degrees C. or higher, wherein a melt mass flow rate (MFR) of the resin powder measured according to JIS K 7210 is 0.35 (g/10 min) or greater but 8.50 (g/10 min) or less, and wherein a particle size distribution (volume average particle diameter Dv/number average particle diameter Dn) of the resin powder is 1.35 or less. In preferred embodiments, an average circularity of the resin powder is 0.975 or greater, and the polyolefin-based resin is a block copolymerized polypropylene resin.Type: GrantFiled: March 9, 2021Date of Patent: March 14, 2023Assignee: Ricoh Company, Ltd.Inventors: Satoshi Ogawa, Tomoharu Miki
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Patent number: 11591456Abstract: Polymer blends, methods of making the polymer blends, and articles of manufacture that include the polymer blends are described. A polymer blend can include a high density polyethylene (HDPE) polymer and a random block copolymer. The random block copolymer can include two different saturated alkane blocks between aromatic blocks (e.g., two styrenic blocks).Type: GrantFiled: April 24, 2019Date of Patent: February 28, 2023Assignee: SABIC GLOBAL TECHNOLOGIES B.V.Inventors: Anantharaman Dhanabalan, Maria Soliman, Anirban Ganguly, Sangita Nandi, Prem Prakash Pathak, Kummetha Raghunatha Reddy, Abderrahman Meddad, Sadasivam Gopalakrishnan
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Patent number: 11584844Abstract: Provided is a method of making a polymeric composition comprising (a) providing a dispersion of initial polyolefin particles in an aqueous medium, wherein the initial polyolefin particles comprise (i) one or more hydrocarbon polyolefin, (ii) one or more non-hydrocarbon polyolefin, and (iii) one or more crosslinking agent; (b) contacting the initial polyolefin particles with a peroxide initiator to form crosslinked polyolefin particles.Type: GrantFiled: November 29, 2018Date of Patent: February 21, 2023Assignees: Dow Global Technologies LLC, Rohm and Haas CompanyInventors: Liang Chen, Robert S. Moglia, Carlos A. Cruz, Ralph C. Even, Jeffrey C. Munro, Jeffrey M. Cogen
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Patent number: 11584807Abstract: Disclosed are styrenic polymers made by a mass or solution process, where the amount of trimer consisting of styrene and/or acrylonitrile is less than about 0.50 weight percent. Also disclosed is a method of minimizing the amount of trimer consisting of styrene and/or acrylonitrile in styrenic polymers made by a mass or solution process. The method includes the steps of lowering the temperature of the polymerization reaction mixture and including more than one initiator in the polymerization reaction mixture.Type: GrantFiled: June 10, 2020Date of Patent: February 21, 2023Assignee: TRINSEO EUROPE GMBHInventors: Gilbert Bouquet, Fredericus Slijkerman
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Patent number: 11581543Abstract: The present invention relates to a binder composition for a non-aqueous electrolyte battery, which is characterized by containing (A) polyvinyl alcohol, (B) at least one selected from a copolymer of vinyl alcohol and ethylenically unsaturated carboxylic acid and a neutralized salt of the copolymer and (C) at least one selected from an amino acid, a carboxylic acid-containing polymer and a polyamine; and a binder aqueous solution for a non-aqueous electrolyte battery, a slurry composition for a non-aqueous electrolyte battery, an electrode for a non-aqueous electrolyte battery, and a non-aqueous electrolyte battery, each containing the binder composition; and others.Type: GrantFiled: May 25, 2018Date of Patent: February 14, 2023Assignee: Kuraray Co., Ltd.Inventors: Yuki Ohta, Hideharu Iwasaki
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Patent number: 11566124Abstract: A crosslinked rubber composition contains a rubber component and para-aramid short fibers having a filament fineness of 2.5 dtex or more and dispersed in the rubber component.Type: GrantFiled: September 21, 2020Date of Patent: January 31, 2023Assignee: BANDO CHEMICAL INDUSTRIES, LTD.Inventors: Takayuki Okubo, Masashi Kitatsuji, Takuya Mori, Taiichi Okada