Patents Examined by Ling-siu Choi
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Patent number: 11795258Abstract: A method for preparing a core-shell copolymer includes polymerizing a core by polymerizing 70 to 90 parts by weight of a methyl (meth)acrylate monomer and 1 part to 20 parts by weight of a C2-C12 alkyl (meth)acrylate monomer, based on 100 parts by weight of the total content of the monomer; at a point when a polymerization conversion ratio is 70% to 90% in the polymerization of the core, polymerizing the core by adding and polymerizing 1 part to 10 parts by weight of the methyl (meth)acrylate monomer and 0.04 to 0.7 parts by weight of a polyfunctional acrylic cross-linking agent; and polymerizing a core-shell copolymer by adding and polymerizing 1 to 10 parts by weight of the methyl (meth)acrylate monomer and 1 to 10 parts by weight of an aromatic vinyl monomer in the presence of the core.Type: GrantFiled: July 10, 2019Date of Patent: October 24, 2023Inventors: Chang No Lee, Yoon Ho Kim, Sang Il Nam, Kyung Bok Sun, Kwang Jin Lee
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Patent number: 11795353Abstract: An adhesive composition having excellent adhesiveness to a cycloolefin resin or the like. The adhesive composition of the present invention includes a polymer having a repeating unit derived from a polymerizable compound represented by formula (I): Y—N(Ar)(R) Formula (I), in which Ar represents an unsubstituted or substituted C6 to C14 aryl group or an unsubstituted or substituted C6 to C10 aryl C1 to C3 alkyl group; R represents an unsubstituted or substituted C1 to C6 alkyl group, an unsubstituted or substituted C3 to C6 cycloalkyl group, an unsubstituted or substituted C6 to C14 aryl group, or an unsubstituted or substituted C6 to C10 aryl C1 to C3 alkyl group; and Y represents a polymerizable functional group. In Formula (I), a substituent on Ar and a substituent on R can bond to form a divalent organic group.Type: GrantFiled: July 4, 2017Date of Patent: October 24, 2023Assignee: NIPPON SODA CO., LTD.Inventor: Taiki Yamate
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Patent number: 11787235Abstract: A tire with a radial carcass reinforcement, made up of at least one layer of metal reinforcing elements inserted between two skim layers of elastomer compound containing a reinforcing filler made up of at least carbon black. The tensile elastic modulus at 10% elongation of at least the skim layer closest to the internal cavity of at least the carcass reinforcement layer closest to the internal cavity is less than 8.5 MPa and at least the said skim layer closest to the internal cavity of at least the carcass reinforcement layer closest to the internal cavity has a macrodispersion value Z greater than 85.Type: GrantFiled: November 7, 2018Date of Patent: October 17, 2023Assignee: COMPAGNIE GENERALE DES ETABLISSEMENTS MICHELINInventors: Nathalie Salgues, Auriane Frisch, Arnaud Gommez
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Patent number: 11787891Abstract: The present invention provides a modified block copolymer composition comprising a modified block copolymer containing at least one aromatic vinyl polymer block and at least one conjugated diene polymer block, and having at least one modified terminal modified with a compound having a silicon atom and an acrylic group and/or a methacrylic group.Type: GrantFiled: September 27, 2018Date of Patent: October 17, 2023Assignee: ZEON CORPORATIONInventors: Atsushi Nozawa, Sadaharu Hashimoto
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Patent number: 11781006Abstract: This invention relates to eco-friendly solutions and gels for making high strength ultra-high molecular weight polyolefin (UHMWPO) fibers, films, filters, membranes by solution and gel spinning techniques. This invention also makes soft, strong, oriented, and elastic fibers from styrenic block copolymers. The polymers are first dissolved or dispersed in a cyclic terpene. In some embodiments, the fibers are extruded or drawn from the solution or gel, and cooled to form a gel filament. In some embodiments, the fibers and films are soft and elastic by making the spinnable solution or gel from polyolefin and styrenic block copolymers or other elastomeric polymers in cyclic terpene. In some embodiments the fibers and films produced can be oriented by stretching or drawing in the gel state before and/or during and/or after removal of cyclic terpene.Type: GrantFiled: January 18, 2019Date of Patent: October 10, 2023Inventor: Sebastian S. Plamthottam
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Patent number: 11772871Abstract: A packaging or wrapping for a food product, capable of resisting to high temperatures and of eliminating the overpressure generated by the water vapour inside the packaging due to temperature rise, without the same packaging having any aperture communicating its inside and the outside environment. The packaging is also adapted to restrain/reduce the emission of odor-generating substances that are generated during the heating or baking of the packaged food product, with respect to what occurs in the absence of a packaging, or with a packaging provided with apertures.Type: GrantFiled: May 31, 2018Date of Patent: October 3, 2023Assignee: CHEF PACK, LLCInventors: Arturo Giusti, Barton Lewis, Jr.
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Patent number: 11773235Abstract: Disclosed are compositions comprising at least one polyolefin, a hindered phenol, and a phenyl phosphite; wherein the overall concentration of the hindered phenol and phenyl phosphite is within a range from 10 ppm to 5000 ppm in the polyolefin, and wherein the amount of the hindered phenol is less than the phenyl phosphite. Also disclosed herein are compositions comprising at least one polypropylene, a neutralizer, a hindered phenol, and a phenyl phosphite; wherein the overall concentration of the hindered phenol and phenyl phosphite is within a range from 1000 ppm to 5000 ppm in the polyolefin, and wherein the amount of the hindered phenol is from 200 to 2000 ppm less than the phenyl phosphite.Type: GrantFiled: May 4, 2021Date of Patent: October 3, 2023Assignee: ExxonMobil Chemical Patents Inc.Inventors: Bin Zhao, Chen Wan, George J. Pehlert, Luis A. Sotomayor
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Patent number: 11773194Abstract: The present disclosure relates to a vinyl chloride-based polymer having a pH of 7 to 11 and satisfying the number of olefin-type defects (NO) of 1.5 or less and the number of chloro-type defects (NC) of 11.0 or less. The vinyl chloride-based polymer contains reduced defects in the entire polymer and may suppress dehydrochlorination reaction or crosslinking reaction during processing, and effects of preventing discoloration phenomenon, improving heat resistance and preventing the deterioration of physical properties may be expected.Type: GrantFiled: October 28, 2019Date of Patent: October 3, 2023Assignee: LG CHEM, LTD.Inventors: Kwang Jin Lee, Yang Jun Jeon, Jae Hyun Park, Hyun Kyou Ha
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Patent number: 11773234Abstract: The claimed invention refers to the development of rubber recipes to improve essential properties related to correlated rubber compounds. Silica gel is added to the rubber compound as a reinforcing agent, partially replacing some of the precipitated silica. The use of silica gel for the pneumatic market provides improved tear resistance, elongation and adhesion performance, and improves adhesion of the tire on wet surfaces.Type: GrantFiled: February 7, 2022Date of Patent: October 3, 2023Assignee: PQ, LLCInventors: Flavio Ernesto Ribeiro, Ronaldo dos Santos Flor
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Patent number: 11773273Abstract: The present invention relates to an aqueous primer comprising: (A) a polysiloxanesol; and (B) 0.1 to 30 wt % of a water-soluble zinc salt having a solubility in deionised water of at least 0.5 g/L at 25° C.Type: GrantFiled: July 25, 2018Date of Patent: October 3, 2023Assignee: JOTUN A/SInventors: Håvard Undrum, Thor Håkon Krane Thvedt
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Patent number: 11773245Abstract: A polyvinyl chloride-asphaltene composite and a method of making the polyvinyl chloride-asphaltene composite is disclosed. The composite includes a polyvinyl chloride (PVC) polymer in an amount of 90 to 99.5 wt.%, based on a total weight of the polyvinyl chloride-asphaltene composite, and a filler in an amount of 10 wt.% or less, based on a total weight of the polyvinyl chloride-asphaltene composite. The filler is an asphaltene, the asphaltene is the only filler present, and the asphaltene is uniformly dispersed within a matrix of the PVC polymer. The polyvinyl chloride-asphaltene composite of the present disclosure demonstrates enhanced thermal stability and improved mechanical tensile or thermo-mechanical properties.Type: GrantFiled: October 17, 2022Date of Patent: October 3, 2023Assignee: KING FAHD UNIVERSITY OF PETROLEUM AND MINERALSInventor: Mohammad Nahid Siddiqu
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Patent number: 11773190Abstract: A modified liquid diene rubber (A) has a functional group (a) derived from an acid anhydride, and satisfies all the requirements (I) to (III) below: (I) The functional group equivalent weight of the functional groups (a) is in the range of 400 to 3,500 g/eq. (II) The polystyrene-equivalent number average molecular weight (Mn) measured by gel permeation chromatography (GPC) is in the range of 5,000 to 20,000. (III) The melt viscosity at 38° C. is not less than 3 Pa·s and X (K) is not less than 6100 K wherein X is the slope of a linear line passing through two points in a graph in which the two points are values of melt viscosity ? (Pa·s) at 38° C. and 60° C. measured with a Brookfield viscometer which are plotted as Ln[?/(Pa·s)] on ordinate versus 1/T (K?1) on abscissa (with the proviso that T is temperature (K)).Type: GrantFiled: October 2, 2018Date of Patent: October 3, 2023Assignee: KURARAY CO., LTD.Inventors: Satoshi Motoda, Shuhei Kaneko, Yu Nozasa, Yosuke Uehara, Masahiro Kashioka, Yoshikazu Ueno
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Patent number: 11767426Abstract: The invention relates to a composition for producing a thermoplastic moulding material, wherein the composition contains the following constituents: A) at least one polymer selected from the group consisting of aromatic polycarbonate, aromatic polyestercarbonate and polyester, B) at least one anhydride-functionalized ethylene-?-olefin copolymer or ethylene-?-olefin terpolymer having a weight-average molecular weight Mw of 50000 to 500000 g/mol determined by high-temperature gel permeation chromatography using ortho-dichlorobenzene as solvent against polystyrene standards, C) glass fibres, and also to a process for producing the moulding material, to the moulding material itself, to the use of the composition or of the moulding material for producing moulded articles and to the moulded articles themselves.Type: GrantFiled: November 8, 2018Date of Patent: September 26, 2023Assignee: Covestro Deutschland AGInventor: Derk Erich Wandner
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Patent number: 11767417Abstract: A tire having a tread comprising at least three radially superposed portions which comprise a radially external portion being made of a first rubber composition, a radially intermediate portion being made of a second rubber composition and a radially internal portion being made of a third rubber composition; wherein each of the rubber compositions is based on at least an elastomer matrix, a reinforcing filler and a crosslinking system based on sulphur; wherein the amount in phr of sulphur in the first rubber composition is lower than that in the second rubber composition, and wherein the amount in phr of sulphur in the second rubber composition is higher than that in the third rubber composition.Type: GrantFiled: March 30, 2018Date of Patent: September 26, 2023Assignee: COMPAGNIE GENERALE DES ETABLISSEMENTS MICHELINInventor: Tomoya Sakurada
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Patent number: 11760822Abstract: Disclosed is a method comprising: a) dispersing a first monomer mixture comprising least one least monomer, the first monomer mixture having a total glass transition temperature (Tg) in the range of from ?10° C. to ?65° C. with a surfactant and an initiator in an aqueous medium; b) when the first monomer mixture is completely dispersed, adding a second monomer mixture comprising at least one monomer, the second monomer mixture having a Tg at least 20° C. greater than the Tg of the first monomer mixture, to the aqueous medium; c) when the second monomer mixture is completely dispersed, adding a third monomer mixture comprising at least one monomer, the third monomer mixture having a Tg in the range of from ?25° C. to 50° C.; and d) forming a polymer with the first, second, and third monomer mixtures. Also disclosed is a pressure sensitive adhesive comprising the polymer formed by this method.Type: GrantFiled: March 2, 2016Date of Patent: September 19, 2023Assignee: Rohm and Haas CompanyInventors: Melinda L. Einsla, Steven R. Patrick, William B. Griffith, Jr., Paul Nedwick
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Patent number: 11759758Abstract: An oil gel compositions comprising (i) between 10 to 20 wt. % of a selectively hydrogenated styrenic block copolymer, (ii) an oil, and (iii) optional additives is described herein. In embodiments, the oil gel composition is characterized as having, a viscosity at 25° C. and 10/s between 100 (See claim 2) and 200 Pa-s, a cone penetration at 25° C. from 200 dmm to 600 dmm, a drop point from 100 to 250° C., and oil separation at 100° C. from 0% to 2%. In embodiments, the oil gel composition has a viscosity ratio of 25° C./100° C. from 4 to 20 at 10/s shear rate. The oil gel composition can be used in cables for post tensioning applications.Type: GrantFiled: April 10, 2019Date of Patent: September 19, 2023Assignee: KRATON CORPORATIONInventor: Hendrik de Groot
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Patent number: 11760897Abstract: Solvent-borne coating compositions and methods for forming coated substrates are provided. In one example, a solvent-borne coating composition includes a solvent(s), a colorant(s), a binder including one or more resins, a sag control agent, and a wax dispersion. The sag control agent includes urea crystals that are present in an amount of from about 0.5 wt. % to about 6 wt. % based on the weight of the binder. The wax dispersion includes ethylene vinyl acetate-based wax particles present in an amount of from about 3 wt. % to about 8 wt. % based on the weight of the binder. The solvent-borne coating composition has a non-volatile content of from about 11 to about 30 vol. % based on the volume of the solvent-borne coating composition.Type: GrantFiled: July 29, 2020Date of Patent: September 19, 2023Assignee: AXALTA COATING SYSTEMS IP CO., LLCInventors: Yongqing Huang, Delson Trindade, Beatriz E. Rodriguez-Douglas, Candice Pelligra, Gary W. Nickel
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Patent number: 11753529Abstract: The introduction of graphene as an additive in rubber compounds is disclosed. The product shows increased barrier protection for tire sidewalls, with no tradeoffs in other characteristics.Type: GrantFiled: July 14, 2022Date of Patent: September 12, 2023Inventors: Douglas Paschall, Adel F. Halasa, Michael Brendan Rodgers
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Patent number: 11753511Abstract: Disclosed are a textile waste regenerated flooring and a preparation method thereof. The textile waste regenerated flooring is prepared from components including 30-50 parts by weight of a textile waste fiber, 30-50 parts by weight of an inorganic filler, and 10-30 parts by weight of polyethylene, wherein the textile waste fiber is prepared from a textile waste. In the disclosure, there is no limitation to the source of the waste textile through accurately controlling dosages of waste textile, inorganic filler and polyethylene.Type: GrantFiled: June 3, 2022Date of Patent: September 12, 2023Assignee: Zhejiang Tianzhen Technology Co., Ltd.Inventors: Qinghua Fang, Wenjin Tang
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Patent number: 11745164Abstract: A sorbent composition for enhanced baghouse function is described. The composition may include a sorbent such as powder activated carbon as well as an additive that is a heat moderator or a permeability agent. The heat moderator may act as a heat sink or barrier. Heat moderators may include in non-limiting examples phyllosilicates, cyclosilicates, or nesosilicates that may include, montmorillonite, bentonite, halloysite, aluminum silicates, muscovite, illite, kaolin, andalusite, kyanite, sillimanite, metakaolin, mullite, polymers, such as chitosan, and/or clays, either natural or synthetic (e.g., montmorillonite), or polyethylenimine. Permeability may be affected by mixing sorbents of lower D50 with sorbents of higher D50 in various ratios, or addition of a permeability agent such as a phyllosilicate, perlite, silica, diatomaceous earth. Further, a permeability agent such as a fluoropolymer may be coated onto or admixed with the sorbent.Type: GrantFiled: June 22, 2021Date of Patent: September 5, 2023Assignee: ADA Carbon Solutions, LLCInventors: Mowen Li, Robert B. Huston, Joseph M. Wong, Sarah G. McMurray