Patents Examined by Karuna P Reddy
  • Patent number: 11919987
    Abstract: 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: Grant
    Filed: August 22, 2019
    Date of Patent: March 5, 2024
    Assignee: Shin-Etsu Chemical Co., Ltd.
    Inventor: Kaoru Okamura
  • Patent number: 11897985
    Abstract: 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: Grant
    Filed: April 26, 2022
    Date of Patent: February 13, 2024
    Assignee: Bausch & Lomb Incorporated
    Inventors: Ivan M. Nuñez, Lynn Coullard, Analuz Mark, Andrew J. Hoteling, Joseph W. Hoff
  • Patent number: 11898023
    Abstract: 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: Grant
    Filed: December 22, 2020
    Date of Patent: February 13, 2024
    Assignee: Dow Global Technologies LLC
    Inventors: Jeffrey E. Bonekamp, Huiqing Zhang, Fanny Deplace
  • Patent number: 11891500
    Abstract: 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: Grant
    Filed: September 27, 2022
    Date of Patent: February 6, 2024
    Assignee: PANASONIC HOLDINGS CORPORATION
    Inventors: Masashi Hamabe, Toshifumi Nagino, Masayoshi Imanishi, Shouma Nishino
  • Patent number: 11866532
    Abstract: 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: Grant
    Filed: April 20, 2020
    Date of Patent: January 9, 2024
    Assignee: UNIMATEC CO., LTD.
    Inventor: Daichi Toge
  • Patent number: 11851548
    Abstract: 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: Grant
    Filed: February 14, 2018
    Date of Patent: December 26, 2023
    Assignee: ZEON CORPORATION
    Inventors: Misa Yamamoto, Masaru Kitagawa
  • Patent number: 11773274
    Abstract: 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: Grant
    Filed: November 2, 2020
    Date of Patent: October 3, 2023
    Assignee: NINGBO INSTITUTE OF MATERIALS TECHNOLOGY & ENGINEERING, CHINESE ACADEMY OF SCIENCES
    Inventors: Liping Wang, Guangming Lu, Shuan Liu, Jibin Pu
  • Patent number: 11739172
    Abstract: 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: Grant
    Filed: December 16, 2021
    Date of Patent: August 29, 2023
    Assignee: 3M Innovative Properties Company
    Inventors: Nelson T. Rotto, Wayne S. Mahoney, Michael A. Kropp, Anthony J. Ostlund, Kristine Klimovica, Carol-Lynn Spawn
  • Patent number: 11725128
    Abstract: 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: Grant
    Filed: June 17, 2020
    Date of Patent: August 15, 2023
    Assignee: Henkel AG & Co. KGaA
    Inventors: Patrick O'Dwyer, Greg Clarke, Peter Joseph Wrobel
  • Patent number: 11718727
    Abstract: 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: Grant
    Filed: March 26, 2018
    Date of Patent: August 8, 2023
    Assignee: Chemische Fabrik Budenheim KG
    Inventors: Sven Fünderich, David Garcia Martinez, Thomas Futterer, Christian Litterscheid, Rüdiger Wissemborski, Jorge Flores
  • Patent number: 11702492
    Abstract: 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: Grant
    Filed: May 10, 2019
    Date of Patent: July 18, 2023
    Assignee: ASAHI KASEI KABUSHIKI KAISHA
    Inventors: Nobuhiro Kobayashi, Fumiki Murakami
  • Patent number: 11680184
    Abstract: 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: Grant
    Filed: July 24, 2015
    Date of Patent: June 20, 2023
    Assignee: Evonik Superabsorber GmbH
    Inventors: Christoph Loick, Scott Smith, Anne Ix-Mund, Nicolaas De Bruin, Laurent Wattebled, Michael Azad, Frank Loeker
  • Patent number: 11680124
    Abstract: 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: Grant
    Filed: September 16, 2020
    Date of Patent: June 20, 2023
    Assignee: Korea Advanced Institute of Science and Technology
    Inventors: SungGap Im, Moon Jin Kwak, Kihoon Jeong, Youson Kim, Yujin Lee
  • Patent number: 11673858
    Abstract: 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: Grant
    Filed: May 6, 2020
    Date of Patent: June 13, 2023
    Assignee: THE BOEING COMPANY
    Inventors: Michael Monteiro, Daloar Hossain
  • Patent number: 11661496
    Abstract: 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: Grant
    Filed: March 6, 2020
    Date of Patent: May 30, 2023
    Assignee: FINA TECHNOLOGY, INC.
    Inventor: Joseph Pelati
  • Patent number: 11655397
    Abstract: 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: Grant
    Filed: June 30, 2022
    Date of Patent: May 23, 2023
    Assignee: CreateMe Technologies LLC
    Inventors: Caglar Remzi Becer, Daniel John Mackinnon, Yongqiang Li
  • Patent number: 11649308
    Abstract: 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: Grant
    Filed: June 21, 2018
    Date of Patent: May 16, 2023
    Assignee: SEKISUI CHEMICAL CO., LTD.
    Inventors: Kenji Yamauchi, Tatsuya Matsukubo, Shinya Nakano, Jo Otsuka
  • Patent number: 11643576
    Abstract: 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: Grant
    Filed: February 9, 2018
    Date of Patent: May 9, 2023
    Assignee: TOAGOSEI CO. LTD.
    Inventors: Michihiro Kaai, Kenichi Nakamura, Akitsugu Shibata
  • Patent number: 11639425
    Abstract: 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: Grant
    Filed: May 12, 2015
    Date of Patent: May 2, 2023
    Assignee: The Trustees of the University of Pennsylvania
    Inventors: Daeyeon Lee, Yun-Ru Huang, Shu Yang, Dengteng Ge
  • Patent number: 11623973
    Abstract: 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: Grant
    Filed: February 16, 2018
    Date of Patent: April 11, 2023
    Assignee: Omya International AG
    Inventor: Ramon Rohé