Patents Examined by Jeffrey C. Mullis
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Patent number: 11767422Abstract: A rABS/PBT/ASG composite material and a preparation method thereof utilize the characteristics of rABS with carboxyl and hydroxyl groups, wherein rABS are pre-blended with ASG to increase the viscosity, so that the epoxy groups on the ASG molecules react with the hydroxyl groups and the carboxyl groups on the rABS, and the acrylonitrile-styrene segments in ASG and rABS are thermodynamically miscible, followed by reacting and blending with PBT to prepare the rABS/PBT/ASG composite material. ASG acts as a chain extender and solubilizer in the mixture. The mixture prepared in this way have good compatibility, and the tensile strength, impact strength and elongation at break of the composite material are comprehensively improved. The composite material obtained has the advantages of both ABS and PBT materials, which has broad application prospects in the field of ABS plastic recycling.Type: GrantFiled: October 18, 2019Date of Patent: September 26, 2023Assignee: South China University of TechnologyInventors: Hezhi He, Zhiming Zhan, Yanhong Feng, Xiaochun Yin, Jinping Qu
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Patent number: 11760853Abstract: An anti-curling film is provided. The anti-curling film includes a first portion and a second portion covering the first portion. The first portion includes polylactic acid (PLA), polycaprolactone (PCL), polyethylene glycol dimethacrylate (PEGDMA) and a photoinitiator. The second portion includes polycaprolactone (PCL), gelatin, hyaluronic acid (HA), alginate (AA), polyvinyl alcohol (PVA) or a combination thereof.Type: GrantFiled: November 30, 2021Date of Patent: September 19, 2023Assignee: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTEInventors: Wei-Hong Chang, Ching-Mei Chen, Grace H. Chen, Hsin-Hsin Shen, Yuchi Wang, Ming-Chia Yang, Li-Hsin Lin, Sen-Lu Chen, Yi-Hsuan Lee, Jian-Wei Lin, Liang-Cheng Su
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Patent number: 11760878Abstract: A thermoplastic composition includes from about 30 wt % to about 95 wt % poly(methyl methacrylate) (PMMA), and from about 5 wt % to about 70 wt % of a poly(carbonate-siloxane) copolymer having a siloxane content of from about 25 wt % to about 45 wt %. A method of making a thermoplastic composition includes: (a) combining from about 30 wt % to about 95 wt % poly(methyl methacrylate) (PMMA) and from about 5 wt % to about 70 wt % of a poly(carbonate-siloxane) copolymer having a siloxane content of from about 25 wt % to about 45 wt % to form a mixture; and melt processing the mixture to polymerize it and form the thermoplastic composition.Type: GrantFiled: October 22, 2019Date of Patent: September 19, 2023Assignee: SHPP Global Technologies B.V.Inventors: Christopher Luke Hein, Hao Zhou, Bing Zhou, Manojkumar Chellamuthu, Peter Vollenberg
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Patent number: 11752731Abstract: Articles that include at least one application layer; at least one bead bond layer (10); a layer of optical elements (20) that are partially embedded in the at least one bead bond layer (10); and at least one reflective layer (30) that is located functionally between the layer of optical elements (20) and the bead bond layer (10), wherein the at least one bead bond layer (10), the at least one application layer, or both comprise a cured product of an adhesive compositions that include polymerized units of one or more (meth)acrylate ester monomers derived from an alcohol containing 1 to 14 carbon atoms; at least one of urethane acrylate polymer or at least one acrylic copolymer; and at least one initiator.Type: GrantFiled: June 27, 2018Date of Patent: September 12, 2023Assignee: 3M Innovative Properties CompanyInventors: Ying Xia, Tien Yi T. H. Whiting, Shri Niwas, Duane D. Fansler, Carla S. Thomas, Anthony F. Schultz, Alexander J. Kugel, Corinne E. Lipscomb, Mary M. Caruso Dailey, Jonathan E. Janoski
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Patent number: 11753533Abstract: A polyethylene composition including a first polyethylene which is an ethylene copolymer having a weight average molecular weight of from 70,000 to 250,000 and a molecular weight distribution Mw/Mn of <2.3, a second polyethylene which is an ethylene copolymer or homopolymer having a weight average molecular weight of from 50,000 to 200,000 and a molecular weight distribution Mw/Mn of <2.3, and a third polyethylene which is an ethylene copolymer or homopolymer having a weight average molecular weight of from 70,000 to 200,000 and a molecular weight distribution Mw/Mn of <2.3, where the first polyethylene has more short chain branching than the second polyethylene or the third polyethylene.Type: GrantFiled: December 16, 2021Date of Patent: September 12, 2023Assignee: NOVA Chemicals (International) S.A.Inventors: XiaoChuan Wang, Peter Zoricak, Brian Molloy, Qinyan Wang, Lawrence VanAsseldonk, Norman Aubee
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Patent number: 11746170Abstract: The present invention relates to an ethylene-vinyl alcohol copolymer (EVOH) resin composition, an EVOH film formed therefrom, and a multilayer structure containing the same. The core void volume (Vvc) of the surface of the EVOH resin composition is more than 0.010 ?m3/?m2 and less than 50 ?m3/?m2; or its surface pole height (Sxp) is more than 0.010 ?m and less than 9.0 ?m. The invention can reduce the torque output during processing, reduce the adsorption of fine powder on the surface caused by static electricity generated on the surface of the EVOH, and provide good film thickness uniformity.Type: GrantFiled: March 22, 2022Date of Patent: September 5, 2023Assignee: CHANG CHUN PETROCHEMICAL CO., LTD.Inventors: Chih Chieh Liang, Wen Hsin Lin
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Patent number: 11746224Abstract: The present invention is directed to a heterophasic polypropylene composition with improved sterilization resistance and optical properties for blow molding applications, in particular for use in the blow-fill-seal process for preparing bottles. The present invention is further directed to a process for producing such a polypropylene composition using a single-site catalyst and to a container produced from such a polypropylene composition by blow molding, like a bottle, in particular a blow-fill-seal bottle, with improved haze before and after sterilization. The polypropylene composition comprises a blend of a propylene copolymer comprising 2.5 to 12.0 wt % of 1-hexene as a comonomer, and having a melt flow rate MFR2 of 0.5 to 20.0 g/10 min, and an ethylene homo- or copolymer having a melt flow rate MFR2 of 0.05 to 30.0 g/10 min and a density of 850 to 940 kg/m3, wherein the xylene cold solubles (XCS) content of the polypropylene composition is from 5.0 to 30.0 wt %.Type: GrantFiled: May 7, 2019Date of Patent: September 5, 2023Assignee: BOREALIS AGInventors: Markus Gahleitner, Jingbo Wang, Klaus Bernreitner, Pauli Leskinen, Johanna Lilja
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Patent number: 11739209Abstract: A thermoplastic resin composition includes a rubber-reinforced styrenic thermoplastic resin (A1) in an amount of 97 to 80 parts by mass); and a hitting sound reducing material (B) in an amount of 3 to 20 parts by mass. The hitting sound reducing material (B) is a hydrogenated copolymer derived from hydrogenation of a copolymer formed of a block portion (I) primarily including structural units derived from an aromatic vinyl-based compound, and a random portion (II) primarily including structural units derived from an aromatic vinyl-based compound and primarily including structural units derived from butadiene. The structural units in the block portion (I) and the structural units derived from an aromatic vinyl-based compound in the random portion (II) are present in 55 to 80 mass % relative to a 100 total mass % of the copolymer, and the hydrogenated copolymer has a primary dispersion peak of tan ? at 0° C. or greater.Type: GrantFiled: December 1, 2021Date of Patent: August 29, 2023Assignee: TECHNO-UMG CO., LTD.Inventors: Shinji Fujii, Naruki Tanaka
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Patent number: 11739208Abstract: A hydrogenated block copolymer is disclosed comprising a polymer block A and a polymer block B. Prior to hydrogenation, the polymer block A has a first vinyl aromatic compound, and the polymer block B contains monomers a) a styrene compound having a radical reactive group and b) at least one conjugated diene, and optionally (c) a second vinyl aromatic compound that is same or different from the first vinyl aromatic compound. The repeat units of monomer a) forms 10-80 wt. % of the total block copolymer, and 10-70 wt. % of the total weight of block B. After hydrogenation, the polymerized units derived from the monomer b) has a RU of 0-1.5 meq per gram of the hydrogenated block copolymer. The hydrogenated block copolymer exhibits reactivity and higher flow properties before curing, after curing, shows excellent mechanical properties, improved flame resistance, and good solvent resistance.Type: GrantFiled: August 12, 2021Date of Patent: August 29, 2023Assignee: KRATON CORPORATIONInventors: Xavier D. D. J. Muyldermans, Aparajita Bhattacharya, Huixian Yang, Koen van Duin
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Patent number: 11732118Abstract: An object of this invention is to provide a resin composition usable as a modifier with which the brittleness of a plastic material including a plurality of resins, such as a laminate of different kinds of materials collected for recycling, can be overcome and the impact resistance and elongation at break can be enhanced. Provided is a resin composition (A) including the following components (1) and (2): (1) a composition (a1) including at least two kinds of ethylene-vinyl acetate copolymers having different vinyl acetate contents; and (2) a copolymer (a2) that is at least one copolymer selected from an ethylene-acrylic acid copolymer and an ethylene-methacrylic acid copolymer.Type: GrantFiled: August 13, 2021Date of Patent: August 22, 2023Assignee: TOSOH CORPORATIONInventors: Daisuke Kugimoto, Koki Kamiya, Shingo Kouda
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Patent number: 11732098Abstract: The present application relates to a block copolymer and a use thereof. The present application can provide a laminate which is capable of forming a highly aligned block copolymer on a substrate and thus can be effectively applied to production of various patterned substrates, and a method for producing a patterned substrate using the same.Type: GrantFiled: October 8, 2021Date of Patent: August 22, 2023Inventors: Mi Sook Lee, Se Jin Ku, No Jin Park, Jung Keun Kim, Je Gwon Lee, Hyung Ju Ryu, Eun Young Choi
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Thermoplastic resin composition, method of preparing the same, and molded article including the same
Patent number: 11718745Abstract: A thermoplastic resin composition of the present invention includes 55 to 70% by weight of a non-grafted copolymer (A) containing 65 to 83% by weight of a (meth)acrylic acid alkyl ester compound, 2 to 12% by weight of an N-substituted maleimide compound, 1 to 6% by weight of a vinyl cyanide compound, and 7 to 17% by weight of an aromatic vinyl compound; 20 to 42% by weight of an acrylate-based rubber-aromatic vinyl compound-vinyl cyanide compound graft copolymer (B) containing acrylate-based rubber having an average particle diameter of 50 to 200 nm; and 1 to 15% by weight of an acrylate-based rubber-aromatic vinyl compound-vinyl cyanide compound graft copolymer (C) containing acrylate-based rubber having an average particle diameter of 300 to 600 nm. Within this range, a thermoplastic resin composition having excellent weather resistance, heat resistance, scratch resistance, and colorability.Type: GrantFiled: September 24, 2020Date of Patent: August 8, 2023Assignee: LG CHEM, LTD.Inventors: Gyu Sun Kim, Dae Woo Lee, Jae Bum Seo, Jung Tae Park, Seongjae Shin, Jiuk Jang -
Patent number: 11718698Abstract: Embodiments of the present disclosure are directed to polyolefin grafted polydiene polymers, wherein the polyolefin grafted polydiene polymers comprises a polydiene having a polydiene polymer backbone, a polyolefin, and at least one sulfur containing functionalizing agent which grafts the polyolefin onto at least one non-terminal position on the polydiene polymer backbone.Type: GrantFiled: December 30, 2020Date of Patent: August 8, 2023Assignee: Bridgestone CorporationInventors: Terrence E. Hogan, Arif O. Gozen, James D. Ulmer
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Patent number: 11708447Abstract: A statistical, cationic-functionalized norbornene copolymer is formed by a process including performing a vinyl addition polymerization in the presence of a metal catalyst of a first norbornene monomer substituted with a first alkyl group and at least a second norbornene monomer substituted with a second alkyl group, to form an intermediate norbornene copolymer. The second alkyl group includes a substituent which undergoes a substitution reaction with a precursor of a cationic group. The process further includes adding the precursor for the cationic group to the intermediate norbornene copolymer to form the cationic functionalized norbornene copolymer. The cationic group has a volume of 0.25 cm3/mol or greater (for example, a phosphonium group or an imidazolium group).Type: GrantFiled: April 29, 2021Date of Patent: July 25, 2023Assignee: CARNEGIE MELLON UNIVERSITYInventors: Kevin Noonan, Ryan Selhorst, Jamie Gaitor
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Patent number: 11708483Abstract: In an embodiment, a heat-seal film includes 10-90 wt % of a first polymer component and 10-90 wt % of a second polymer component, based on a total weight of the first polymer component and the second polymer component, wherein: the first polymer component includes propylene, and optionally, up to 18 wt % of a C2 and/or a C4-C20 ?-olefin based on a total weight of the first polymer component; and the second polymer component includes 91-99.9 wt % of propylene and 0.1-9 wt % of ethylene based on a total weight of the second polymer component, the second copolymer component having a melt flow rate of 2-60 g/10 min. In another embodiment, a multi-layer film structure includes a heat-seal layer including a heat-seal film described herein; and an unoriented, an uniaxially oriented, or a biaxially oriented base layer including polypropylene homopolymer, a polypropylene random copolymer, or a combination thereof.Type: GrantFiled: March 23, 2020Date of Patent: July 25, 2023Assignee: ExxonMobil Chemical Patents Inc.Inventors: Saifudin M. Abubakar, Jie Yu Jin, Yong Xuan See
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Patent number: 11691324Abstract: An injection molding device includes an injection machine, a molding die, and a high frequency oscillation device. The injection machine injects a resin material containing a dielectric heat generating material while keeping fluidity by temperature control. The molding die includes a cavity being a channel of flow of the resin material, and a pair of electrodes, each of which faces the cavity, the pair of electrodes being disposed to sandwich the resin material therebetween in a direction crossing a direction of the flow. The high frequency oscillation device applies a high frequency alternate-current voltage to the pair of electrodes.Type: GrantFiled: March 30, 2018Date of Patent: July 4, 2023Assignee: MAZDA MOTOR CORPORATIONInventors: Hidekazu Kato, Michihisa Iwamoto, Yasuhiro Tominaga, Takahiro Tanaka, Teruyuki Hamada
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Patent number: 11692085Abstract: Described herein are geomembranes with improved chemical, physical, and mechanical properties. In one aspect, the geomembrane includes polyethylene, a phenolic antioxidant, a phosphite antioxidant, a hindered amine light stabilizer, and carbon black. Also described herein are methods for making the geomembranes described herein.Type: GrantFiled: March 12, 2021Date of Patent: July 4, 2023Assignee: UNIVERSITY OF SOUTH FLORIDAInventors: Yasin Kocak, Manoj K. Ram, Venkat Bhethanabotla
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Patent number: 11685826Abstract: The present invention relates to an ethylene polymer composition comprising: (A) an ethylene polymer comprising epoxy-groups, and (B) a cross-linking agent comprising: (B1) an organo-metallic Lewis acid, and at least one of: (B2) a compound comprising at least one amino group; and (B3) a compound comprising at least one hydroxyl group.Type: GrantFiled: October 25, 2018Date of Patent: June 27, 2023Assignee: BOREALIS AGInventors: Oscar Prieto, Massimiliano Mauri, Christian Müller
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Patent number: 11685824Abstract: The present invention relates to an ethylene-vinyl alcohol copolymer (EVOH) resin composition, an EVOH film formed therefrom, and a multilayer structure containing the same. The surface roughness of the EVOH resin composition is a kurtosis (Sku) ranging from 0.05 to 100. The EVOH of the invention can reduce the torque output during processing, and can obtain the EVOH film with excellent appearance.Type: GrantFiled: March 22, 2022Date of Patent: June 27, 2023Assignee: CHANG CHUN PETROCHEMICAL CO., LTD.Inventors: Chih Chieh Liang, Wen Hsin Lin
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Patent number: 11680127Abstract: The present invention is directed to a process for the production of graft copolymer compositions which are based on acrylonitrile-styrene-acrylate (ASA) or acrylonitrile-butadiene-styrene (ABS) graft copolymers. The graft copolymers compositions are obtained by emulsion polymerization and afterwards precipitation, dewatering, drying and optionally cooling of the dried graft copolymer powder, wherein the graft copolymer B powder obtained is mixed with an aeration gas, preferably air and/or nitrogen, wherein the bulk density of the graft copolymer B powder is equal or less than 98.5% of the bulk density of the non-aerated graft copolymer B, during the whole aeration step. The graft copolymer powders show higher powder flowability and less tendency of caking during storage, for example in a silo.Type: GrantFiled: August 27, 2019Date of Patent: June 20, 2023Assignee: INEOS STYROLUTION GROUP GMBHInventors: Tobias Schulz, Wolfgang Fischer, Ulrich Jansen, Gisbert Michels