Patents Examined by Ana L. Woodward
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Patent number: 12037471Abstract: Provided is a fiber-reinforced polypropylene composition having a light weight and improved mechanical strength. A carbon fiber-containing polypropylene composition contains a predetermined amount of each of polypropylene (component 1), carbon fiber (component 2), and modified polypropylene (component 3), wherein the component 2 contains a predetermined amount of each of a C—O bond, a C?O bond, an O—C?O bond, a C—C bond, and a C—N bond.Type: GrantFiled: July 27, 2023Date of Patent: July 16, 2024Assignee: Sumitomo Chemical Company, LimitedInventors: Shun Takahashi, Masahiko Numakura, Kenichi Seno
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Patent number: 12037492Abstract: A composition including a compatibilized blend of polyamide, polyphenylene ether and a flameproofing agent that synergistically interact such that plaques produced from the composition pass a glow wire ignition temperature test (GWIT) without producing a flame. Advantageously, the flameproofing agent is non-halogenated and the compositions also free of other halogen containing components. In addition, the compositions are free of fillers and are unexpectedly still able to pass the noted tests.Type: GrantFiled: June 16, 2022Date of Patent: July 16, 2024Assignee: TEKNOR APEX COMPANYInventors: Mark Elkovitch, Richard Barnes
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Patent number: 11993714Abstract: The invention relates to a copolymer containing rigid polyamide PA blocks and flexible blocks, characterized in that it includes at least one carboxylic acid chain end blocked with a polycarbodiimide, said copolymer according to the invention being in noncrosslinked linear form. The invention also relates to the use of a polycarbodiimide in a process for manufacturing a copolymer containing rigid polyamide PA blocks and flexible blocks, including at least one carboxylic acid chain end, for improving the extrudability of the copolymer, the drawability of the copolymer, the abrasion resistance, the tear strength and the durability of the copolymer, without increasing its dispersity.Type: GrantFiled: November 16, 2018Date of Patent: May 28, 2024Assignee: ARKEMA FRANCEInventors: Quentin P. Pineau, Philippe Denis H. Blondel, Jean-Jacques Flat
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Patent number: 11992814Abstract: The present invention provides an asymmetric modified CMS hollow fiber membrane having improved gas separation performance properties and a process for preparing an asymmetric modified CMS hollow fiber membrane having improved gas separation performance properties. The process comprises treating a polymeric precursor fiber with a solution containing a modifying agent prior to pyrolysis. The concentration of the modifying agent in the solution may be selected in order to obtain an asymmetric modified CMS hollow fiber membrane having a desired combination of gas permeance and selectivity properties. The treated precursor fiber is then pyrolyzed to form an asymmetric modified CMS hollow fiber membrane having improved gas permeance.Type: GrantFiled: August 20, 2021Date of Patent: May 28, 2024Assignees: GEORGIA TECH RESEARCH CORPORATION, AIR LIQUIDE ADVANCED TECHNOLOGIES U.S., LLCInventors: Nitesh Bhuwania, William John Koros, Paul Jason Williams
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Patent number: 11987700Abstract: The present application relates to polymer compositions that provide barrier properties to oxygen, water vapor and/or hydrocarbons, to polymer film or sheet comprising the polymer composition and to their use in the manufacture or preparation of plastic material and/or plastic packaging. The present application also relates to a method of reducing oxygen water vapor and/or hydrocarbons permeability in plastic material and/or plastic packaging.Type: GrantFiled: July 20, 2020Date of Patent: May 21, 2024Assignee: POLYVALOR, LIMITED PARTNERSHIPInventors: Ebrahim Jalali Dil, Abdellah Ajji
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Patent number: 11987696Abstract: The invention relates to a biodegradable and compostable blend of polylactic acid, a compostable polyester with or without carbon based biocontent, polyethylene glycol, and optionally an inorganic talc filler that have greatly increased elongation, flexibility, and tensile toughness as measured by tensile test ASTM D638-10. These blends of PLA with 5-30% of said polyester, about 10% PEG, and about 5% of an inorganic talc filler unexpectedly increased the elongation to 750+ % for molded test bars. Additionally, 4 mil films showed a max tear strength of about 1200 gms (in MD) and 900 gms (in TD) measured by ASTM D1922-09 while maintaining other preferable properties.Type: GrantFiled: August 7, 2018Date of Patent: May 21, 2024Assignee: Northern Technologies International CorporationInventors: Shilpa Manjure, Matthew Lundblad
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Patent number: 11987701Abstract: The disclosure provides a thermosetting resin composition which contains at least: (a) a benzoxazine resin and (b) bismaleimide. The disclosure provides a flame-retardant resin composition which contains at least: (a) a benzoxazine resin, (b) bismaleimide, and (c) a flame retardant. The thermosetting resin composition and the flame-retardant resin composition may be used as a constituent element of a semiconductor liquid packaging material, or an interlayer insulating film.Type: GrantFiled: April 28, 2021Date of Patent: May 21, 2024Assignee: CHIN YEE CHEMICAL INDUSTRIES CO., LTD.Inventor: Pi-Tao Kuo
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Patent number: 11981806Abstract: Provided herein are conglomerate resin compositions, methods for the creation of conglomerate resins made from waste stream materials, and incorporation of conglomerate resins in the construction of sporting goods equipment, including, for example, alpine skis, touring skis, cross country skis, approach skis, split boards, snowboards, and water skis.Type: GrantFiled: June 30, 2023Date of Patent: May 14, 2024Assignee: Checkerspot, Inc.Inventors: Garrett Witmer, Daniel Malmrose, Neal Anderson, Charles Rand, Scott Franklin
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Patent number: 11981813Abstract: The present invention relates to the use of a polyamide molding compound for application purposes in which high resistance to hypochlorous acid is crucial. The molding compound is thus used according to the invention for molded bodies suitable for being in contact with aqueous; hypochlorous acid-containing solutions.Type: GrantFiled: December 21, 2020Date of Patent: May 14, 2024Assignee: EMS-Chemie AGInventors: Arda Alkan, Thomas Wiedemann, Andri Cadalbert, Manfred Hewel, Botho Hoffmann
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Patent number: 11970612Abstract: Provided are a polyamide composition containing a polyamide (A) having a melting point of 280° C. or higher, a flame retardant (B) and an aromatic vinyl copolymer (C), wherein the aromatic vinyl copolymer (C) contains a structural unit derived from an aromatic vinyl and a structural unit derived from an ?,?-unsaturated dicarboxylic anhydride, the glass transition temperature of the aromatic vinyl copolymer (C) is 140° C. or higher, and the content of the aromatic vinyl copolymer (C) is 0.3 to 2.0% by mass relative to the total content of the polyamide (A), the flame retardant (B) and the aromatic vinyl copolymer (C); and a molded article of the polyamide composition.Type: GrantFiled: August 21, 2019Date of Patent: April 30, 2024Assignee: KURARAY CO., LTD.Inventors: Shimon Kanai, Naoto Sugai, Takaharu Shigematsu
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Patent number: 11965093Abstract: Described herein is a polyamide composition including: (a) at least one first semi-crystalline polyamide including repeating units derived from two or more diacids, and one or more diamine(s), (b) at least one second semi-crystalline polyamide including repeating units derived from two or more diacids and one or more diamine(s), (c) at least one glass fibre, and (d) optionally at least one further additive, wherein the at least one first semi-crystalline polyamide and the at least one second semi-crystalline polyamide are different from each other and defined by their molar ratio of repeating units derived from aromatic dicarboxylic acids and aliphatic dicarboxylic acids. As described herein, the polyamide composition provides a superior combination of high thermal stability (i.e. heat distortion temperature) and high flowability (i.e. low melt viscosity).Type: GrantFiled: December 6, 2019Date of Patent: April 23, 2024Assignee: BASF SEInventors: Adair Rangel de Oliveira, Jr., Fabiana Zanelato Kuwajima, Antonio Cesar Da Silva, Carolina Teixeira
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Patent number: 11958972Abstract: A thermoplastic composition includes: (a) about 30 wt % to about 60 wt % of a resin component including polyphenylene ether (PPE) and polystyrene (PS); (b) from about 35 wt % to about 65 wt % of a filler component; (c) from about 1 wt % to about 5 wt % of a flow promoter including at least a partially hydrogenated hydrocarbon resin; and (d) an elastomer component including from 2.5 wt % to 5 wt % rubber content in the composition excluding the filler component. The combined weight percent value of all components does not exceed 100 wt %, and all weight percent values are based on the total weight of the composition except as indicated in (d).Type: GrantFiled: May 10, 2023Date of Patent: April 16, 2024Assignee: SHPP Global Technologies B.V.Inventors: Rui Mao, Shijie Song
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Patent number: 11952463Abstract: A method of preparing an acid neutralizing polymer powder (ANPP) includes preparing a first reaction product by contacting and reacting virgin polyamide powder material with tert-butoxide in a first aliquot of a polar aprotic solvent and preparing a mixture of an halogenated dialkylalkylamine to a second aliquot of the polar aprotic solvent. ANPP is prepared by mixing the first reaction product and the mixture for a period of time and at a temperature sufficient to produce the ANPP.Type: GrantFiled: June 28, 2021Date of Patent: April 9, 2024Assignees: Workers First LLC, Clarkson UniversityInventors: Matthew James Borowiak, Jr., Richard Earl Partch
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Patent number: 11945949Abstract: Disclosed is a polyamide composition including 30% to 99.9% by weight of a polyamide mixture as component A). Component A) includes aliphatic polyamide A1) and aliphatic copolyamide or terpolyamide A2). The weight ratio of A1) to A2) is 55:45 to 95:5. The polyamide composition also includes 0% to 60% by weight of glass fibers as component B), 0% to 2% by weight of nigrosin as component C), 0.1% to 10% by weight of at least one polyhydric alcohol including more than two hydroxyl groups and a number-average molecular weight (Mn) of less than 2000 as component D), 0% to 20% by weight of further additives as component E). The reported amounts sum to 100% by weight based on the total composition.Type: GrantFiled: November 22, 2018Date of Patent: April 2, 2024Assignee: BASF SEInventors: Sebastian Wagner, Stefan Mochev, Michael Roth
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Patent number: 11939469Abstract: Described herein is a method of using copolyamides c) produced by polymerization of components A?) 15% to 84% by weight of at least one lactam, and B?) 16% to 85% by weight of a monomer mixture (M) including components B1?) at least one C32-C40-dimer acid and B2?) at least one C4-C12-diamine, where the percentages by weight of the components A?) and B?) are in each case based on the sum of the percentages by weight of the components A?) and B?), the method including using the copolyamides c) to increase an impact strength and/or breaking elongation of molded articles made of molding materials including thermoplastic polyamides, which are different from copolyamides c).Type: GrantFiled: August 12, 2019Date of Patent: March 26, 2024Assignee: BASF SEInventors: Patrick Spies, Jasmina Simon, Sebastian Allinger, Martin Weber
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Patent number: 11926711Abstract: A thermoplastic starch (TPS)/polylactic acid (PLA)/poly(butylene adipate-co-terephthalate) (PBAT) blend modified biodegradable resin is prepared by using a chain extender, and is prepared from the following raw materials: 20-30 parts by weight of TPS; 20-30 parts by weight of PLA; 40-60 parts by weight of PBAT; and 0.5-0.9 parts by weight of a chain extender KL-E. The preparation method is a two-step method: blending the TPS with the PBAT in a twin screw for granulating; mixing TPS/PBAT mixed granules with PLA granules, and dissolving the chain extender KL-E into an ethyl acetate solution. The chain extender KL-E can be uniformly distributed in PLA and TPS/PBAT mixed granules by using a spraying method, and the remaining short-chain molecules and terminal carboxyl molecules in the mixed granules can be changed into long-chain molecules.Type: GrantFiled: October 12, 2019Date of Patent: March 12, 2024Assignee: NANJING WURUI BIODEGRADABLE NEW MATERIAL RESEARCH INSTITUTE CO., LTD.Inventor: Tingwei Wang
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Patent number: 11920034Abstract: Described herein is a polyamide composition (P) including specific flat glass fibres (B) with elongated shape having a non-circular cross-sectional area. The polyamide composition (P) is advantageously used for the production of molded parts. Also described herein is a method of using molded parts obtainable by molding of the polyamide composition (P) to produce mechanical parts. The molded parts are characterized by having improved fatigue resistance properties. Also described herein is a polyamide composition (P) including PA 6.6 as polyamide (A) and flat glass fibres (B).Type: GrantFiled: October 22, 2019Date of Patent: March 5, 2024Assignee: BASF SEInventors: Gilles Robert, Tae-Kyun Kim, Weibing Wang, Franco Speroni
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Patent number: 11912836Abstract: The present invention relates to a polymer composition comprising a polymer comprising methyl methacrylate, (meth)acrylic acid and styrene monomers. In particular, the present invention relates to a polymer composition comprising a polymer comprising methyl methacrylate, (meth)acrylic acid and styrene monomers, said composition having particularly advantageous compromises of heat-resistant, fluidity, scratch-resistant and chemical-resistant properties. The present invention also relates to a molded or extruded object comprising a polymer comprising methyl methacrylate, (meth)acrylic acid and of styrene monomers, and the use of these objects.Type: GrantFiled: September 24, 2018Date of Patent: February 27, 2024Assignee: ARKEMA FRANCEInventors: Stefania Cassiano Gaspar, Benoit Brule
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Patent number: 11912868Abstract: The present invention relates to a conductive concentrated resin composition including (a) 100 parts by weight of a base resin including 50 to 95% by weight of a polyamide resin, 2.5 to 20% by weight of a polar polymer, and 2.5 to 30% by weight of a non-polar polymer, (b) 10 to parts by weight of a carbon nanofibril, (c) 0.5 to 5 parts by weight of a carbon nanoplate, and (d) 0.5 to 4 parts by weight of nanoclay; a conductive polyamide resin composition including the conductive concentrated resin composition; a method of preparing the conductive concentrated resin composition; and a molded article including the conductive polyamide resin composition.Type: GrantFiled: November 8, 2019Date of Patent: February 27, 2024Assignee: LG CHEM, LTD.Inventors: Gi Dae Choi, Minsu Kim, Eon Seok Lee
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Patent number: 11898035Abstract: Provided are a polyamide composition containing a polyamide (A) having a melting point of 280° C. or higher and a flame retardant (B), which is such that, when a melt of the polyamide composition is injection-molded with a mold having a thickness of 0.5 mm and a width of 40 mm under the condition of a cylinder temperature higher by 20° C. than the melting point of the polyamide (A), an injection pressure of 74 MPa and a mold temperature of 140° C., the flow length is 40 mm or more, and that the melt flow rate at a temperature of 320° C. and under a load of 2.16 kg is 15 g/10 min or less; and a molded article of the polyamide composition.Type: GrantFiled: August 21, 2019Date of Patent: February 13, 2024Assignee: KURARAY CO., LTD.Inventors: Shimon Kanai, Takaharu Shigematsu