Patents Examined by David R. Foss
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Patent number: 12384862Abstract: An aspect of the present invention relates to a resin composition containing an acrylic resin and a curing agent, in which the acrylic resin contains a polymerization unit (A) of a (meth)acrylate having an epoxy group, a polymerization unit (B) of a (meth)acrylate having a cyano group, and a polymerization unit (C) of a (meth)acrylate having an isobornyl group, a weight average molecular weight of the acrylic resin is 50,000 or more and 3,000,000 or less, and a storage modulus of a cured product of the resin composition at 200° C. is 0.1 MPa or more and 3.5 MPa or less.Type: GrantFiled: January 24, 2023Date of Patent: August 12, 2025Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.Inventors: Tomohiro Fukao, Tomoaki Sawada, Kyosuke Michigami
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Patent number: 12379677Abstract: Latexes are provided which may comprise water and resin particles comprising a polymerization product of reactants comprising a dioxane/dioxolane monomer and a vinyl co-monomer, wherein the dioxane/dioxolane monomer is an ester of (meth)acrylic acid with an alcohol comprising a dioxane moiety, an ester of (meth)acrylic acid with an alcohol comprising a dioxolane moiety, or both.Type: GrantFiled: July 27, 2021Date of Patent: August 5, 2025Assignee: XEROX CORPORATIONInventors: Karen A. Moffat, Sepehr M. Tehrani, Kimberly D. Nosella, Richard P. N. Veregin
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Patent number: 12365755Abstract: A two-component polyurethane composition comprising (A) an aqueous dispersion comprising an emulsion polymer and from 2% to 20% of an alcohol alkoxylate of formula (I), by weight based on the weight of the emulsion polymer, and (B) a polyisocyanate; the two-component polyurethane composition can provide coatings with a high distinctness of image.Type: GrantFiled: October 29, 2019Date of Patent: July 22, 2025Assignees: DOW GLOBAL TECHNOLOGIES LLC, ROHM AND HAAS COMPANYInventors: Daoshu Lin, Yan Li, Cheng Shen, Jinfei Wang, Baoqing Zheng, Jia Tang, Dong Yun, Shaoguang Feng
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Patent number: 12359044Abstract: A chloroprene copolymer latex containing a chloroprene copolymer having a structural unit derived from chloroprene and a structural unit derived from 2,3-dichloro-1,3-butadiene, in which a toluene insoluble content in the chloroprene copolymer is 50 to 95% by mass, and a modulus at 500% elongation of a film, which is obtained on a base material by dipping the base material in the chloroprene copolymer latex and then performing vulcanization at 100° C. for 30 minutes, according to JIS K 6251 is 4.0 MPa or less.Type: GrantFiled: June 30, 2020Date of Patent: July 15, 2025Assignee: DENKA COMPANY LIMITEDInventors: Masao Onozuka, Hidehito Otsuka
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Patent number: 12351686Abstract: Provided is a curable resin composition that has excellent heat resistance and low warpage and is, furthermore, capable of improving light transmittance in cured products, a dry film and its cured product of, and an electronic component containing the cured product. A curable resin composition containing (A) an amide-imide resin, (B) a thermosetting resin, (C) a thermosetting accelerator and (D) inorganic particles, wherein the amide-imide resin (A) is a reaction product of an isocyanurate-type polyisocyanate synthesized from an isocyanate having an aliphatic structure and a tricarboxylic anhydride having an aliphatic structure and has a number-average molecular weight of 500 to 1000; a dry film and its cured product; and an electronic component containing the cured product were obtained.Type: GrantFiled: September 2, 2020Date of Patent: July 8, 2025Assignee: TAIYO HOLDINGS CO., LTD.Inventors: Yoko Shibasaki, Chihiro Funakoshi
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Patent number: 12344727Abstract: Suspensions of silica particles in organic liquids are disclosed as well as a method for their preparation.Type: GrantFiled: January 30, 2019Date of Patent: July 1, 2025Assignee: RHODIA OPERATIONSInventors: Thomas Chaussee, Frédéric Magnin-Feysot, Hélène Fay, Loïc Baussaron, Jean-Claude Le Thiesse
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Patent number: 12331143Abstract: Compositions and methods involving latent base-catalyzed Michael addition reaction are described herein. The compositions described herein are derived from a Michael addition reaction and provide coatings, including primer coatings and direct-to-metal coatings that have optimal adhesion, corrosion resistance, and cure response when applied to a substrate and cured.Type: GrantFiled: May 7, 2019Date of Patent: June 17, 2025Assignee: SWIMC LLCInventors: Jason Lindquist, Jason Ness, Josh Hewuse, Garry Edgington, Tapan Debroy, James Gallagher
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Patent number: 12325792Abstract: Provided is a flame retardant resin composition that includes a base resin, a filler blended in a ratio of 5 parts by mass or more relative to 100 parts by mass of the base resin, a silicone compound blended in a ratio of 0.5 part by mass or more relative to 100 parts by mass of the base resin, and a fatty acid-containing compound blended in a ratio of 3 parts by mass or more relative to 100 parts by mass of the base resin. The filler may have a silane coupling agent having a polar group adhered to at least a part of a surface of a silicate compound. Further provided are an insulated wire, a cable, and an optical fiber cable that includes in part the flame retardant resin composition.Type: GrantFiled: March 14, 2019Date of Patent: June 10, 2025Assignee: Fujikura Ltd.Inventors: Masayuki Iwata, Yusuke Yamaki, Shoichiro Nakamura
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Patent number: 12319809Abstract: In the present disclosure, there are provided a vinyl alcohol-based copolymer including a first repeating unit derived from an olefin, a second repeating unit containing a hydroxyl group, and a third repeating unit containing a cyanoalkyloxy group formed by a reaction of the repeating unit containing a hydroxyl group and an unsaturated nitrile-based compound, wherein the third repeating unit is included in an amount of 2 mol % or more and less than 10 mol % with respect to 100 mol % of a total amount of the second repeating unit and the third repeating unit; a method for preparing the same; and a gas barrier film including the same. The vinyl alcohol-based copolymer has excellent moisture stability, thereby exhibiting excellent gas barrier properties even in a humid environment.Type: GrantFiled: December 20, 2023Date of Patent: June 3, 2025Assignee: LG Chem, Ltd.Inventors: Moon Seok Chun, Kyung An Kwon
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Patent number: 12291607Abstract: Provided is a macromolecular material that has self-healing properties, excellent stretchability, and a high degree of freedom in the design of stretchability, strength, and hardness, and that can be produced by a simple method; and also provided is a method for producing the same. The macromolecular material of the present invention comprises a polymer having a host group and a guest group. The host group is a monovalent group formed by removing one hydrogen atom or hydroxy group from a cyclodextrin derivative. The polymer is a polymer of a monomer mixture containing a host group-containing polymerizable monomer, a guest group-containing polymerizable monomer, and a third polymerizable monomer, and the third polymerizable monomer contains a (meth)acrylic ester compound. The host group-containing polymerizable monomer and the guest group-containing polymerizable monomer have a property of being dissolved in the third polymerizable monomer.Type: GrantFiled: March 6, 2020Date of Patent: May 6, 2025Assignees: OSAKA UNIVERSITY, YUSHIRO CHEMICAL INDUSTRY CO., LTD.Inventors: Akira Harada, Hiroyasu Yamaguchi, Yoshinori Takashima, Motofumi Osaki, Yasumasa Ohashi, Hiroaki Takahashi, Hidenori Shirakawa
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Patent number: 12286396Abstract: Described herein is a dicarboxylic acid compound of formula (I): Wherein: R3 comprises an aryl group, R2 is an alkylene group comprising 1 to 6 carbon atoms, n is 0 or 1, R1 is H or CH3, and X is S or NZ, wherein Z is H, an alkyl group comprising 1 to 4 carbon atoms or a phenyl group. Such compounds can be used to modify the surface of inorganic particles. These modified inorganic particles may then be advantageously used in polymerizable resins to increase the refractive index of the resulting composite, while enabling good flow properties of the polymerizable composition.Type: GrantFiled: September 25, 2020Date of Patent: April 29, 2025Assignee: 3M Innovative Properties CompanyInventors: Paul B. Armstrong, Jonathan A. Anim-Addo, Bryan V. Hunt, Evan L. Schwartz
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Patent number: 12269939Abstract: The present invention is directed to a polypropylene composition (C) comprising a heterophasic propylene copolymer (HECO), comprising a matrix being a propylene polymer (PP1), an elastomeric propylene copolymer (EPR) being dispersed in said matrix and a nucleating agent (NU). The polypropylene composition (C) further comprises polymeric fibers (PE). The present invention is also directed to a foamed article comprising the polypropylene composition (C) and the use of polymeric fibers (PE) as an impact modifier for a heterophasic propylene copolymer (HECO).Type: GrantFiled: July 30, 2019Date of Patent: April 8, 2025Assignee: BOREALIS AGInventors: Susanne Kahlen, Daniela Mileva, Georg Grestenberger, Michael Jerabek, Thomas Lummerstorfer
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Patent number: 12264269Abstract: A curable composition is provided which includes a liquid first agent and microcapsules dispersed in the first agent. Each of the microcapsules includes a coating film and a second liquid agent encapsulated inside the coating film. A strength of each of the microcapsules is 15 N or less. The curable composition is configured to be cured by contact between the first agent and the second agent.Type: GrantFiled: July 31, 2020Date of Patent: April 1, 2025Assignee: DENSO CORPORATIONInventor: Katsuhiko Suzuki
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Patent number: 12252571Abstract: The present invention provides a vinyl acetate-silicone copolymer resin obtained by graft polymerization of vinyl acetate (B) onto an organopolysiloxane (A) represented by a specific general formula, wherein a weight ratio of the organopolysiloxane (A) to the vinyl acetate (B) is (A):(B)=10:90 to 95:5, a method for producing the same, and a vinyl acetate-silicone copolymer resin composition. The vinyl acetate-silicone copolymer resin of the present invention has slidability, substrate adhesiveness, and organic solvent solubility, and is suitably used for coating agents for various substrates, adhesive agents, exterior and interior paints for structures and building materials and the like, and cosmetics and the like.Type: GrantFiled: February 16, 2022Date of Patent: March 18, 2025Assignee: NISSIN CHEMICAL INDUSTRY CO., LTD.Inventors: Koki Uchida, Kentaro Watanabe
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Patent number: 12240944Abstract: The invention provides an optical lens that can provide small-sized imaging modules. The optical lens of the invention comprises a thermoplastic resin having a refractive index (nD) and Abbe number (?) satisfying the following mathematical formula (A): nD??0.02×?+2.040??(A) (where 1.660<nD).Type: GrantFiled: February 26, 2020Date of Patent: March 4, 2025Assignee: TEIJIN LIMITEDInventors: Kyosuke Yamada, Manabu Matsui, Takatsune Yanagida, Kazuyoshi Ogasawara, Kazunori Nunome, Keisuke Sato, Tatsuya Oyama, Yasuhiko Tomonari
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Patent number: 12209187Abstract: Amorphous silica-titania composite oxide powder is powder untreated with a surface treatment agent and consisting of amorphous silica-titania composite oxide particles, wherein: a refractive index at a measurement wavelength of 589 nm is not less than 1.46; a volume-based cumulative 50% diameter is 0.1 ?m to 2.0 ?m; and a content of particles having a particle size of not less than 5.0 ?m is not more than 10 ppm, and wherein, in a case where the powder is dried in an atmospheric air at 110° C. for 12 hours, and powder thus dried is stored for 24 hours at a temperature of 25° C. and a relative humidity of 85% so as to absorb moisture, a water absorption rate is not more than 0.8% by mass as calculated from a mass X before moisture absorption and a mass Y after the moisture absorption in accordance with the formula: (Y?X)/X×100.Type: GrantFiled: June 5, 2020Date of Patent: January 28, 2025Assignee: TOKUYAMA CORPORATIONInventors: Masao Ariyuki, Osamu Tanaka, Kazuhiro Fukunaga, Mari Aoki
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Patent number: 12209161Abstract: Provided is a water-based epoxy resin composition and a cured product thereof, the water-based epoxy resin composition obtained by blending a water-based epoxy resin (A) and a curing agent composition (B) containing a reaction product (b1) of epichlorohydrin and an amine compound represented by the following formula (1), the water-based epoxy resin composition having a content ratio of the component (A) and the component (B) defined as [number of epoxy groups in component (A)/number of active amine hydrogens in component (B)] of 1/1.1 to 1/0.3: H2N—CH2—A—CH2—NH2 ??(1) wherein A is a 1,2-phenylene group, a 1,3-phenylene group, or a 1,4-phenylene group.Type: GrantFiled: November 1, 2019Date of Patent: January 28, 2025Assignee: MITSUBISHI GAS CHEMICAL COMPANY, INC.Inventor: Takuma Hanaoka
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Patent number: 12161523Abstract: A hardenable (e.g. dental) compositions is described comprising an encapsulated material. The encapsulated material comprises a basic core material and an inorganic shell material having certain viscosity criteria. Also described are dispensing devices and kits are described comprising a hardenable (e.g. dental) composition comprising a liquid material and an encapsulated material wherein the encapsulated material comprises a basic core material and an inorganic shell material comprising a metal oxide surrounding the core. The dispensing devices and kits can facilitate the methods of applying the hardenable composition. The hardenable or hardened (e.g. cured) composition can provide various technical effects such as a delayed release of a basic core material, a delayed increase in basicity, promoting remineralization of a tooth or bone structure, and increasing the average alkaline phosphatase (ALP) activity of pulp cells. In some embodiments, the composition is a dental (e.g.Type: GrantFiled: June 5, 2019Date of Patent: December 10, 2024Assignee: Solventum Intellectual Properties CompanyInventors: Randilynn B. Christensen, Kenton D. Budd, Afshin Falsafi, Mahmut Aksit, Jana Ninkovic, Jie J. Liu, Mark B. Agre, Masayuki Nakamura, Jason W. Bjork, Bradley D. Craig, Richard P. Rusin, Paul J. Homnick, Joel D. Oxman, Yizhong Wang, Paul R. Klaiber
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Patent number: 12157813Abstract: A resin particle includes a fluorescent colorant and a binder resin. The fluorescent colorant is bound to the binder resin by a chemical bond.Type: GrantFiled: July 1, 2020Date of Patent: December 3, 2024Assignee: FUJIFILM Business Innovation Corp.Inventors: Yukiaki Nakamura, Masaru Takahashi, Tomoaki Tanaka, Satomi Hara, Ryutaro Kembo
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Patent number: 12157818Abstract: The present invention aims to provide rubber compositions and tires which provide improved overall performance in terms of wet grip performance and dry grip performance. The present invention relates to a rubber composition having a dynamic modulus E* that reversibly changes with water and satisfying the following relationship (1): Dynamic modulus E*when water-wet/Dynamic modulus E*when dry×100%?90%??(1).Type: GrantFiled: July 23, 2019Date of Patent: December 3, 2024Assignee: Sumitomo Rubber Industries, Ltd.Inventor: Kensuke Washizu