Patents Examined by Karuna P Reddy
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Patent number: 11919987Abstract: The present invention provides a (meth)acryloyl compound suitable to prepare a medical material having beneficial hydrophilicity and sufficient strength; and a method for preparing the compound. A compound represented by the following formula (1): wherein R1 is a hydrogen atom or a methyl group, R2 is a monovalent hydrocarbon group having 1 to 6 carbon atoms, R3 is a hydrogen atom or a methyl group and, L is a divalent hydrocarbon group having 2 to 10 carbon atoms and optionally having an ether bond.Type: GrantFiled: August 22, 2019Date of Patent: March 5, 2024Assignee: Shin-Etsu Chemical Co., Ltd.Inventor: Kaoru Okamura
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Patent number: 11897985Abstract: A water extractable ophthalmic device is disclosed which is a polymerization product of a monomeric mixture comprising: (a) one or more cyclic lactams; (b) one or more non-bulky organosilicon-containing monomers; (c) one or more bulky siloxane monomers; and (d) a crosslinking agent mixture comprising (i) one or more first crosslinking agents containing at least two ethylenically unsaturated reactive end groups, wherein the at least two ethylenically unsaturated reactive end groups are (meth)acrylate-containing reactive end groups and (ii) one or more second crosslinking agents containing at least two ethylenically unsaturated reactive end groups wherein at least one of the ethylenically unsaturated reactive end groups is a non-(meth)acrylate reactive end group. The water extractable ophthalmic device has an equilibrium water content of at least about 50 wt. %, a contact angle of less than about 50°, and an oxygen permeability of at least about 60 Barrers.Type: GrantFiled: April 26, 2022Date of Patent: February 13, 2024Assignee: Bausch & Lomb IncorporatedInventors: Ivan M. Nuñez, Lynn Coullard, Analuz Mark, Andrew J. Hoteling, Joseph W. Hoff
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Patent number: 11898023Abstract: Polyolefin photovoltaic (PV) backsheets comprise a polypropylene layer stabilized with (A) at least one hindered amine with 2,2,6,6-tetraalkylpiperdine or 2,2,6,6 -tetraakylpiperazinone, either or both in combination with a triazine moiety, (B) a thioester, and, optionally, (C) at least one hindered hydroxybenzoate, and/or (D) an ortho hydroxyl triazine compound. These PV backsheets exhibit a low flame spread index of <100 without the use of FR agents, and the polypropylene layer exhibits good weatherability while providing the required long term heat aging performance necessary for PV modules.Type: GrantFiled: December 22, 2020Date of Patent: February 13, 2024Assignee: Dow Global Technologies LLCInventors: Jeffrey E. Bonekamp, Huiqing Zhang, Fanny Deplace
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Patent number: 11891500Abstract: A composite resin molded article includes: a base resin; and fillers dispersed in the base resin, wherein the fillers include fibrous fillers and particulate fillers having aspect ratios lower than aspect ratios of the fibrous fillers.Type: GrantFiled: September 27, 2022Date of Patent: February 6, 2024Assignee: PANASONIC HOLDINGS CORPORATIONInventors: Masashi Hamabe, Toshifumi Nagino, Masayoshi Imanishi, Shouma Nishino
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Patent number: 11866532Abstract: An acrylic rubber that is a copolymer in which 1 to 3 wt. % of a fumaric acid monoalkyl ester monomer containing an alkyl group having 1 to 8 carbon atoms is copolymerized as a crosslinkable comonomer, wherein 45 to 65 wt. % of n-butyl acrylate, 12 to 32 wt. % of 2-methoxyethyl acrylate, and 11 to 30 wt. % of ethoxyethoxyethyl acrylate are copolymerized in 100 wt. % of comonomers other than the crosslinkable comonomer. This acrylic rubber can suppress the reduction of oil resistance while improving cold resistance represented by a TR-10 value.Type: GrantFiled: April 20, 2020Date of Patent: January 9, 2024Assignee: UNIMATEC CO., LTD.Inventor: Daichi Toge
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Patent number: 11851548Abstract: A latex composition has a latex of a carboxyl group-containing conjugated diene rubber (A), and a plasticizer (B) having a SP value of 15 (cal/cm3)1/2 or less, wherein the content of a plasticizer (B) is 0.1 to 15 parts by weight based on 100 parts by weight of the carboxyl group-containing conjugated diene rubber (A) included in the latex.Type: GrantFiled: February 14, 2018Date of Patent: December 26, 2023Assignee: ZEON CORPORATIONInventors: Misa Yamamoto, Masaru Kitagawa
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Patent number: 11773274Abstract: The environmental-friendly antifouling agent includes a furan oxime and/or furan oxime metal complex, which has not only good antifouling performance, low toxicity and high efficiency and environmental friendliness. The ecological toxicity of the non-target organism is less than 15% of that of metals such as copper and chromium and organic matters such as benzoxazole, and the excellent barrier property of the furan ring structure itself on small molecules such as oxygen and water vapor can also significantly improve the barrier effect of a coating on a typical corrosive factor. The antifouling agent combined with an antifouling coating system can greatly improve the corrosion resistance of the coating system. Meanwhile, such the antifouling agent is easy to synthesize, can be well compatible with self-polishing resins, corrosion type resins and the like.Type: GrantFiled: November 2, 2020Date of Patent: October 3, 2023Assignee: NINGBO INSTITUTE OF MATERIALS TECHNOLOGY & ENGINEERING, CHINESE ACADEMY OF SCIENCESInventors: Liping Wang, Guangming Lu, Shuan Liu, Jibin Pu
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Patent number: 11739172Abstract: The composition includes an acrylic monomer having a carboxylic acid group, an acrylic monomer having a hydroxyl group, and a compound composed of divalent segments L and at least two X groups. The divalent segments L are represented by the formula Each divalent segment L is respectively directly bonded to two secondary N atoms, two tertiary N atoms, or a secondary and a tertiary N atom. Each R1 represents an alkylene group having from 1 to 4 carbon atoms, and at least some of the R1 groups are —CH2—CH2—CH2—CH2—. Each X group is independently represented by the formula CH2?C(R)—C(O)—O—V-W—C(O)—. The acrylic monomer having a carboxylic acid group is present in an amount of at least 20 percent by weight, based on the total weight of acrylic-functional compounds. Articles and a method of using the composition are also described.Type: GrantFiled: December 16, 2021Date of Patent: August 29, 2023Assignee: 3M Innovative Properties CompanyInventors: Nelson T. Rotto, Wayne S. Mahoney, Michael A. Kropp, Anthony J. Ostlund, Kristine Klimovica, Carol-Lynn Spawn
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Patent number: 11725128Abstract: The present invention relates to an anaerobically curable impregnation sealant composition and methods thereof containing a (meth)acrylic monofunctional monomer with a hydrophobic moiety, a (meth)acrylic monofunctional monomer with a hydroxyl group, a modified polyester urethane methacrylate resin having a weight average molecular weight of from about 8000 to about 18000 g/mol, and triallylisocyanurate, triallylcyanurate, or derivatives thereof, or a combination thereof. The present invention particularly relates to a sealant composition for impregnation to plastic and metal substrates that also provides resistance to thermal cycling.Type: GrantFiled: June 17, 2020Date of Patent: August 15, 2023Assignee: Henkel AG & Co. KGaAInventors: Patrick O'Dwyer, Greg Clarke, Peter Joseph Wrobel
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Patent number: 11718727Abstract: A method for manufacturing electrically conductive structures, preferably conductive pathway structures using laser beams on a non-conductive carrier (LDS method), wherein a non-conductive carrier material is provided which contains at least one inorganic metal phosphate compound and at least one stabiliser finely distributed or dissolved therein, the carrier material is irradiated in regions by laser beams generating the electrically conductive structures in the irradiated regions.Type: GrantFiled: March 26, 2018Date of Patent: August 8, 2023Assignee: Chemische Fabrik Budenheim KGInventors: Sven Fünderich, David Garcia Martinez, Thomas Futterer, Christian Litterscheid, Rüdiger Wissemborski, Jorge Flores
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Patent number: 11702492Abstract: The present invention provides a methacrylic resin composition comprising 100 parts by mass of a methacrylic resin comprising 50 to 97% by mass of a methacrylic acid ester monomer unit (A), 3 to 30% by mass of a structural unit (B) having a ring structure in the backbone, and 0 to 20% by mass of an additional vinyl monomer unit (C) copolymerizable with a methacrylic acid ester monomer, and 0.001 to 0.2 parts by mass of a compound (D) having a predetermined structure, the methacrylic resin composition satisfying the following conditions (I) and (II): (I): a weight-average molecular weight of the methacrylic resin composition as measured by gel permeation chromatography (GPC) is 65,000 to 300,000, and (II): a mass ratio between the component (D) and the structural unit (B) having a ring structure in the backbone is 25?(B)/(D)?1000.Type: GrantFiled: May 10, 2019Date of Patent: July 18, 2023Assignee: ASAHI KASEI KABUSHIKI KAISHAInventors: Nobuhiro Kobayashi, Fumiki Murakami
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Patent number: 11680184Abstract: The present invention relates to an anti-stick processing aid for use in a process for producing water-absorbing polymers, comprising the steps of: i) mixing (?1) 0.1 to 99.999% by weight of polymerizable, ethylenically unsaturated monomers containing acid groups, or salts thereof, (?2) 0 to 70% by weight of monomers copolymerizable with (?1), (?3) 0.001 to 10% by weight of crosslinkers, (?4) 0 to 30% by weight of polymers, (?5) 0 to 80% by weight of water, and (?6) 0 to 20% by weight of assistants, (ii) free-radical polymerization with crosslinking to form a hydrogel polymer, (iii) drying the hydrogel polymer, (iv) grinding and sieving the hydrogel polymer, (v) surface postcrosslinking the hydrogel polymer and (vi) drying and finishing the water-absorbing polymer, wherein the anti-stick processing aid is used before and/or in steps (iii).Type: GrantFiled: July 24, 2015Date of Patent: June 20, 2023Assignee: Evonik Superabsorber GmbHInventors: Christoph Loick, Scott Smith, Anne Ix-Mund, Nicolaas De Bruin, Laurent Wattebled, Michael Azad, Frank Loeker
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Patent number: 11680124Abstract: A method of manufacturing self-healing polymer capable of controlling physical properties is provided. The method includes forming the self-healing polymer by adjusting a copolymer composition using monomers of glycidyl methacrylate (GMA) and 2-hydroxyethyl acrylate (HEA) and an initiator of tert-butyl peroxide (TBPO) based on an initiated chemical vapor deposition method (iCVD).Type: GrantFiled: September 16, 2020Date of Patent: June 20, 2023Assignee: Korea Advanced Institute of Science and TechnologyInventors: SungGap Im, Moon Jin Kwak, Kihoon Jeong, Youson Kim, Yujin Lee
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Patent number: 11673858Abstract: Aspects generally relate to a temperature responsive polymer, more specifically to a polymer exhibiting an upper critical solution temperature (UCST) in an aqueous solution. In one aspect, a monomer compound includes one or more amide or thioamide groups; one or more ureido or thioureido groups; and one or more ethylenically unsaturated groups. In one aspect, a polymer, such as a homopolymer or a copolymer, is produced by polymerization of the monomer compound. The copolymer is produced by polymerization of the monomer compound and a comonomer, such as a hydrophobic comonomer, a hydrophilic comonomer, a pH responsive comonomer, a light responsive comonomer, and combinations thereof. The polymer exhibits a UCST from about 1° C. to about 100° C. in an aqueous solution at 1 atm.Type: GrantFiled: May 6, 2020Date of Patent: June 13, 2023Assignee: THE BOEING COMPANYInventors: Michael Monteiro, Daloar Hossain
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Patent number: 11661496Abstract: A method of reducing the fouling in a process for the production of styrene, the method comprising: introducing an additive into a stream comprising styrene and byproduct divinyl benzene (DVB), wherein the additive comprises: at least one chemical compound comprising one or more functional groups selected from amines, alcohols, amino-alcohols, labile C—C, esters, carbamates, aldehydes, ketones, acids, acetates, benzoates, labile hydrogen, and combinations thereof, and having a boiling point greater than or equal to 170° C. and within 10, 20, 30, 40, 50, or 60° C. of the boiling point of divinyl benzene (DVB) (which is 195° C.), wherein the at least one chemical compound is active to inhibit divinyl benzene (DVB) crosslinking. A system for carrying out the method is also provided.Type: GrantFiled: March 6, 2020Date of Patent: May 30, 2023Assignee: FINA TECHNOLOGY, INC.Inventor: Joseph Pelati
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Patent number: 11655397Abstract: Embodiments provide methods for assembling an apparel product. The methods include applying a composition to a portion of a major component of the apparel product or a portion of a minor component of the apparel product. The methods include coupling the portion of the minor component with the portion of the major component via the composition. The major component forms a base portion of the apparel product and is configured to be supported and worn at least partially over a portion of a wearer. The minor component forms a secondary portion configured to be coupled to the major component with an adhesive. The major component and/or minor component includes a recyclable material. The methods include converting the composition to the adhesive. The adhesive includes a material having a cycloalkene bond.Type: GrantFiled: June 30, 2022Date of Patent: May 23, 2023Assignee: CreateMe Technologies LLCInventors: Caglar Remzi Becer, Daniel John Mackinnon, Yongqiang Li
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Patent number: 11649308Abstract: A resin composition which has excellent decomposability at low temperature, can provide a molded article having high strength, and enables an increase in the number of layers and thinning so as to enable production of an all-solid-state battery and a ceramic laminate having excellent properties. An inorganic fine particle-dispersed slurry composition containing the resin composition, an inorganic fine particle-dispersed sheet, a method for producing an all-solid-state battery, and a method for producing a multilayer ceramic capacitor. A resin composition containing a (meth)acrylic resin, the (meth)acrylic resin containing 20 to 70% by weight in total of a segment derived from methyl methacrylate and a segment derived from isobutyl methacrylate, 1 to 10% by weight of a segment derived from a glycidyl group-containing (meth)acrylate, and 5 to 40% by weight of a segment derived from a (meth)acrylate containing an ester substituent having a carbon number of 8 or more.Type: GrantFiled: June 21, 2018Date of Patent: May 16, 2023Assignee: SEKISUI CHEMICAL CO., LTD.Inventors: Kenji Yamauchi, Tatsuya Matsukubo, Shinya Nakano, Jo Otsuka
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Patent number: 11643576Abstract: A pressure-sensitive adhesive composition includes a block copolymer containing a polymer block (A) and a (meth)acrylic polymer block (B), wherein the polymer block (A) contains either or both of a maleimide compound and an amide group-containing vinyl compound as a constitutional monomer thereof and has a glass transition temperature of 100° C. or higher, and the (meth)acrylic polymer block (B) contains at least one selected from compounds represented by general formula (1) as a major constitutional monomer thereof and has a glass transition temperature of 10° C. or below. CH2?CR1—C(?O)O(R2O)n—R3??(1) (wherein, R1 represents hydrogen or a methyl group; R2 represents a linear or branched C2-6 alkylene group; R3 represents hydrogen, a C1-20 alkyl group, or a C6-20 aryl group; and n represents 0 or an integer from 1 to 100.Type: GrantFiled: February 9, 2018Date of Patent: May 9, 2023Assignee: TOAGOSEI CO. LTD.Inventors: Michihiro Kaai, Kenichi Nakamura, Akitsugu Shibata
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Patent number: 11639425Abstract: A method of producing a nanocomposite film includes generating a bilayer film including at least a first layer of at least one nanoparticle and a second layer of at least one material and annealing the bilayer film. A uniform nanocomposite film includes a plurality of nanoparticles dispersed in a polymer matrix, wherein the plurality of nanoparticles form at least 60% by volume of the polymer nanocomposite film.Type: GrantFiled: May 12, 2015Date of Patent: May 2, 2023Assignee: The Trustees of the University of PennsylvaniaInventors: Daeyeon Lee, Yun-Ru Huang, Shu Yang, Dengteng Ge
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Patent number: 11623973Abstract: The present invention relates to packaging material comprising a plastic substrate comprising at least one surface, and a barrier layer for hydrophobic substances, wherein the barrier layer is in contact with the at least one surface of the plastic substrate, wherein the barrier layer comprises a copolymer, a surface-reacted calcium carbonate, and a mineral material selected from natural ground calcium carbonate and/or precipitated calcium carbonate, as well as a method for producing the same and its use.Type: GrantFiled: February 16, 2018Date of Patent: April 11, 2023Assignee: Omya International AGInventor: Ramon Rohé