Patents Examined by Jeffrey C. Mullis
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Patent number: 11505690Abstract: The present invention is related to water-swellable polymer particles which contain a hydrophilic base polymer (B) and a hydrophobic polymer (P). It is also related to a process for producing the water-swellable polymer particles, an article containing the water-swellable polymer particles and the use of the water-swellable polymer particles.Type: GrantFiled: February 9, 2018Date of Patent: November 22, 2022Inventor: Erik Gubbels
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Patent number: 11505693Abstract: A thermoplastic resin composition including a graft copolymer (B) produced by graft polymerization of a vinyl monomer mixture (m1) including an alkyl (meth)acrylate ester, a vinyl cyanide compound, and an aromatic vinyl compound onto a copolymer (A) produced by copolymerizing an alkyl (meth)acrylate ester (a) and a (meth)acrylate ester (b) including an aromatic hydrocarbon group at a specific ratio and a copolymer (C) that is a product of a polymerization reaction of a vinyl monomer mixture (m2) including an alkyl (meth)acrylate ester. The graft copolymer (B) includes at least a graft copolymer (B) having a specific volume-average particle size. The copolymer (A) has a specific volume-average particle size and a specific particle size distribution.Type: GrantFiled: July 29, 2021Date of Patent: November 22, 2022Assignee: TECHNO-UMG CO., LTD.Inventors: Yuuki Taguchi, Yoshitaka Naitoh
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Patent number: 11499045Abstract: Provided are: a compound resin containing a hydrogenated block copolymer (X) that is a hydrogenated product of a block copolymer having a polymer block (A) mainly composed of a structural unit derived from an aromatic vinyl compound and a polymer block (B) mainly composed of a structural unit derived from a conjugated diene compound, at least one terminal of which is formed of the polymer block (A), and an oil (Y) having a kinematic viscosity at 40° C. of 25 mm2/s or less, the content of the oil (Y) relative to 100 parts by mass of the hydrogenated block copolymer (X) being 450 to 1,500 parts by mass; and a human body model containing the compound resin.Type: GrantFiled: November 28, 2017Date of Patent: November 15, 2022Assignee: KURARAY TRADING CO., LTD.Inventor: Masaru Ishii
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Patent number: 11499046Abstract: Provided is a thermoplastic resin composition which includes: a graft copolymer prepared by graft-polymerizing an aromatic vinyl-based monomer and a vinyl cyan-based monomer onto an acrylic rubber polymer having an average particle diameter of 50.0 to 90.0 nm; a matrix copolymer including a C1-C3 alkyl (meth)acrylate-based monomer unit, an aromatic vinyl-based monomer unit and a vinyl cyan-based monomer unit; and an additive including a polymer including a C1-C3 alkyl (meth)acrylate-based monomer unit, specifically, a thermoplastic resin composition which has improved properties in terms of elongation, processability, weather resistance, colorability, hardness, chemical resistance, scratch resistance, a whitening phenomenon, surface gloss and appearance quality while having excellent basic properties.Type: GrantFiled: November 13, 2019Date of Patent: November 15, 2022Assignee: LG CHEM, LTD.Inventors: Chun Ho Park, Yong Yeon Hwang, Da Eun Sung, Yong Hee An, Jeong Min Jang
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Patent number: 11498996Abstract: SiOC-linked, linear polydimethylsiloxane-polyoxyalkylene block copolymers of formula (I) C—B-(AB)a—C1 are produced by reaction of end-equilibrated ?,?-diacetoxypolydimethylsiloxanes with a mixture including at least one polyether polyol, preferably a polyether diol, and at least one polyether monool or at least one monohydric alcohol.Type: GrantFiled: May 26, 2020Date of Patent: November 15, 2022Assignee: Evonik Operations GmbHInventors: Wilfried Knott, Horst Dudzik, Frauke Henning, Philippe Favresse
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Patent number: 11498994Abstract: Provided is a block copolymer composition which contains a block copolymer having a specific molecular structure and has a molecular weight distribution within an appropriate range. A polymerizable composition containing a macromonomer (A) which has a group having a radical-reactive unsaturated double bond at one terminal of a poly(meth)acrylate segment, a vinyl monomer (B), and an organic iodine compound (C), or a polymerizable composition containing a macromonomer (A), a vinyl monomer (B), an azo-based radical polymerization initiator (E), and iodine is polymerized to obtain a block copolymer composition containing a block copolymer in which constitutional units of all blocks are derived from vinyl monomers and at least one block has a branched structure.Type: GrantFiled: November 22, 2018Date of Patent: November 15, 2022Assignees: Mitsubishi Chemical Corporation, Nanyang Technological UniversityInventors: Hiroshi Niino, Shunsuke Chatani, Shuyao Hsu, Atsushi Goto, Longqiang Xiao, Jun Jie Chang
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Patent number: 11499038Abstract: The present disclosure relates to a rubber composition that includes an aromatic-compound based resin and a styrene-butadiene copolymer and a tire using the same as the tread rubber or a component thereof. The rubber composition provides improved wet traction.Type: GrantFiled: December 20, 2018Date of Patent: November 15, 2022Assignee: Bridgestone CorporationInventor: Hyeonjae Kim
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Patent number: 11492438Abstract: A block copolymer including a polymer block (A) containing more than 70 mol % of a unit derived from an aromatic vinyl compound, and a polymer block (B) containing 30 mol % or more of a unit derived from a conjugated diene compound is provided. The block copolymer satisfies the conditions: (1): a content of the polymer block (A) in the block copolymer is 1 to 70% by mass; (2): a maximum width of a series of temperature regions where tan ? measured in accordance with JIS K7244-10 (2005), under conditions including a strain amount of 0.1%, a frequency of 1 a measurement temperature of ?70 to 100° C., and a temperature rise rate of 3° C./min, is 1.0 or more is less than 16° C.; (3): a temperature at a peak position of tan ? in the condition (2) is 0° C. to +50° C.; and (4): a mobility parameter M indicating a mobility of the polymer block (B) is 0.01 to 0.25 sec.Type: GrantFiled: May 30, 2019Date of Patent: November 8, 2022Assignee: KURARAY CO., LTD.Inventors: Yasushi Senda, Masahiro Kato, Mikio Masuda
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Patent number: 11492468Abstract: According to at least one embodiment of the present disclosure, polyethylene formulations and modified polyethylene compositions are provided. Embodiments of the polyethylene formulation may include a free radical generator; and a multimodal polyethylene composition. The multimodal polyethylene composition may include a peak in a temperature range of 95° C. to 120° C. in the elution profile via improved comonomer composition distribution (iCCD), wherein a polyethylene fraction area is an area in the elution profile beneath the peak of the polyethylene fraction between 95° C. and 120° C., and wherein the polyethylene fraction area comprises at least 20% of the total area of the elution profile and a molecular weight (Mw) of less than 80,000 g/mol in the temperature range of from 95° C. to 120° C. on an elution profile via iCCD. The modified polyethylene composition may be the reaction product of the free radical generator and the multimodal polyethylene composition.Type: GrantFiled: August 4, 2020Date of Patent: November 8, 2022Assignee: Dow Technologies LLCInventors: Sanjib Biswas, Alexander Williamson, Jorge Caminero Gomes, Carol Tsai
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Patent number: 11492473Abstract: Reinforced polymer composition comprising a polypropylene (PP), a polar modified polypropylene (PMP) and carbon fibers (CF).Type: GrantFiled: September 26, 2018Date of Patent: November 8, 2022Assignee: BOREALIS AGInventors: Thomas Lummerstorfer, Michael Tranninger
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Patent number: 11485843Abstract: Reinforced polypropylene composition comprising a heterophasic polypropylene copolymer, a polar modified polypropylene and carbon fibers.Type: GrantFiled: September 28, 2018Date of Patent: November 1, 2022Assignee: BOREALIS AGInventors: Thomas Lummerstorfer, Michael Tranninger
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Patent number: 11479658Abstract: There is provided a film-forming composition, including: a first water-soluble cellulose ether (WSCE) having a viscosity at 20° C. of 2.5 to 45 mPa·s, a second WSCE having a viscosity at 20° C. of 6.0 to 50.0 mPa·s, a third WSCE having a viscosity at 20° C. of 4.5 to 15.0 mPa·s, each viscosity being determined in a 2% by mass aqueous solution, and a solvent, wherein the first WSCE is selected from four members of hydroxypropyl methyl celluloses Ia and Ib in Group I and hydroxypropyl methyl cellulose IIa and methyl cellulose IIb in Group II, the second WSCE is the same member as that of the first WSCE, provided that the substitution degree(s) of the second WSCE may be the same as or different from that of the first WSCE, and the third WSCE is selected from members in a Group different from the Group of the first WSCE.Type: GrantFiled: March 9, 2021Date of Patent: October 25, 2022Assignee: Shin-Etsu Chemical Co., Ltd.Inventors: Shintaro Matsusue, Takuya Yokosawa
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Patent number: 11479663Abstract: The invention relates to a composition comprising: (A) a propylene-based polymer which is a propylene homopolymer or a propylene copolymer consisting of at least 90 wt % of propylene monomer units and at most 10 wt % of ethylene monomer units and/or an ?-olefin monomer units having 4 to 10 carbon atoms, (B) a terpolymer of propylene, an ?-olefin having 4 to 10 carbon atoms and ethylene and (C) a copolymer of ethylene and an ?-olefin having 4 to 10 carbon atoms, wherein the copolymer (C) has a density of at least 0.880 g/cm3, wherein the amount of the propylene-based polymer (A) is at least 60 wt % with respect to the total composition.Type: GrantFiled: July 30, 2018Date of Patent: October 25, 2022Assignee: SABIC GLOBAL TECHNOLOGIES B.V.Inventors: Jing Guo, Xiqiang Liu, Chaodong Jiang, Shengying Qian, Chunfa Li
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Patent number: 11472951Abstract: Provided is a heterophasic propylene polymer material having excellent low temperature impact resistance, tensile strength, and tensile elongation. A heterophasic propylene polymer material contains a propylene homopolymer component (A), and an ethylene-propylene copolymer component (B1) and an ethylene-propylene copolymer component (B2) having different formulations from each other, wherein a content of the propylene homopolymer component (A), a content of the ethylene-propylene copolymer component (B1), and a content of the ethylene-propylene copolymer component (B2) are 40 to 70 parts by mass, 15 to 54 parts by mass, and 6 to 15 parts by mass, respectively, with respect to 100 parts by mass of a total content of the propylene homopolymer component (A) and the ethylene-propylene copolymer components (B1) and (B2).Type: GrantFiled: December 21, 2020Date of Patent: October 18, 2022Assignee: SUMITOMO CHEMICAL COMPANY, LIMITEDInventors: Shun Takahashi, Masahiro Yanagisawa
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Patent number: 11472955Abstract: [Problem] To provide a softer resin material that can be highly filled with an oil and that has almost no seepage (bleed-out) of oil. Additionally, to provide a biological model that is easy to handle and that has a softness and mechanical properties closer to those of organs and a texture close to that of organs. [Solution] A resin composition containing 100 parts by mass of component (A), a hydrogenated block copolymer having an MFR (measured at a temperature of 230° C. and with a load of 2.16 kg) of 1 g/10 min or less; more than 1000 parts by mass and at most 2000 parts by mass of component (B), an oil; and at least 10 parts by mass and at most 120 parts by mass of component (C), a polyolefin resin having a specific surface area of 0.01 to 30 m2/g.Type: GrantFiled: February 20, 2018Date of Patent: October 18, 2022Assignee: Denka Company LimitedInventors: Takashi Sasaki, Akira Miyama, Toru Arai
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Patent number: 11466148Abstract: The present invention is directed to a polyolefin composition (C) containing a heterophasic propylene copolymer (TERHECO) and a styrenic thermoplastic (sTPE), wherein the heterophasic propylene copolymer (TERHECO) consists of units derived from propylene, ethylene and 1-hexene. Further the present invention is directed to articles made from the polyolefin composition (C) as well as to the production of sterilized articles.Type: GrantFiled: April 28, 2020Date of Patent: October 11, 2022Assignee: Borealis AGInventors: Jingbo Wang, Markus Gahleitner, Klaus Bernreitner, Pauli Leskinen
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Patent number: 11459456Abstract: A thermoplastic resin composition for plating of the present invention comprises: about 35 wt % to about 60 wt % of a polycarbonate resin; about 1 wt % to about 20 wt % of a first rubber modified vinyl graft copolymer; about 5 wt % to about 30 wt % of a second rubber modified vinyl graft copolymer; and about 25 wt % to about 50 wt % of an aromatic vinyl copolymer resin, wherein the first rubber modified aromatic vinyl graft copolymer and the second rubber modified aromatic vinyl graft copolymer are present in a weight ratio of about 1:1 to about 1:10. The thermoplastic resin composition for plating and a plated molded product comprising the same have good etching property, plating adhesion, impact resistance, heat resistance and the like.Type: GrantFiled: December 31, 2018Date of Patent: October 4, 2022Assignee: Lotte Chemical CorporationInventors: Kyoung Ju Kim, Kee Hae Kwon, Myung Hun Kim, Jung Woo Park
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Patent number: 11459450Abstract: A resin composition for injection forming containing a high-density polyethylene, an ethylene-vinyl alcohol copolymer and an acid-modified linear low-density polyethylene, characterized in that the ethylene-vinyl alcohol copolymer is contained in an amount of 35 to 90 parts by mass and the acid-modified linear low-density polyethylene is contained in an amount of 10 to 35 parts by mass per 100 parts by mass of the high-density polyethylene.Type: GrantFiled: May 22, 2019Date of Patent: October 4, 2022Assignee: NIPPON CLOSURES CO., LTD.Inventors: Daisuke Tsuchimoto, Go Oota, Katsumi Hashimoto
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Tetra-block copolymer, and polymer composition, and hot-melt sticky adhesive composition using these
Patent number: 11440987Abstract: A tetrablock copolymer having an aromatic vinyl block (A1), a conjugated diene block (B1), an aromatic vinyl block (A2), and a conjugated diene block (B2) is provided, wherein Mw(A2)/Mw(A1) is 1.2 to 5, Mw(A2) is 12,000 or more, Mw(B1)>Mw(B2), Mw(Total) is 50,000 to 400,000 where the weight average molecular weight of the aromatic vinyl block (A1) is defined as Mw(A1), the weight average molecular weight of the conjugated diene block (B1) is defined as Mw(B1), the weight average molecular weight of the aromatic vinyl block (A2) is defined as Mw(A2), the weight average molecular weight of the conjugated diene block (B2) is defined as Mw(B2), and the weight average molecular weight of the tetrablock copolymer as a whole is defined as Mw(Total), and the content of aromatic vinyl monomer units is 10 to 30% by weight.Type: GrantFiled: February 20, 2019Date of Patent: September 13, 2022Assignee: ZEON CORPORATIONInventors: Leo Tsunoi, Ryoji Oda, Sadaharu Hashimoto -
Patent number: 11434356Abstract: Disclosed is a propylene-based resin composition comprising more than 15 parts by mass and 40 parts by mass or less of an ethylene/?-olefin copolymer (E1) and 4 to 20 parts by mass of an ethylene/?-olefin/diene copolymer (E2), and comprising also a propylene-based polymer (P1) having an amount of a n-decane-soluble part at 23° C. of 5 to 25% by mass, wherein the ethylene content of the n-decane-soluble part is more than 40% by mass and 60% by mass or less, a propylene homopolymer (P2) and an inorganic filler (F) [providing that the total amount of the components (P1), (P2), (E1), (E2) and (F) is taken as 100 parts by weight]. The propylene-based resin composition is capable of producing a molded article which is excellent in mechanical properties, unnoticeable flow marks, low gloss.Type: GrantFiled: April 24, 2019Date of Patent: September 6, 2022Assignees: PRIME POLYMER CO., LTD., NISSAN MOTOR CO., LTD.Inventors: Shuichi Inoue, Satoru Kinouchi, Kazuaki Tokumo, Takao Jouduka