Patents Examined by Tae H. Yoon
-
Patent number: 11787944Abstract: Pigmented polymer particles may comprise a thermoplastic polymer and a pigment, wherein at least some of the pigmented polymer particles have a morphology according to (a), (b), (c), or any combination thereof: (a) the pigment having a coating comprising the thermoplastic polymer and the coated pigment adhered to a thermoplastic polymer particle, (b) the pigment being embedded in an outer surface of the thermoplastic polymer particle, and (c) the pigment being encapsulated by the thermoplastic polymer particle. The pigmented polymer particles, especially the highly spherical pigmented polymer particles, may be useful, among other things, as starting material for additive manufacturing. For example, a method may comprise: depositing, upon a surface, the foregoing pigmented polymer particles optionally in combination with other thermoplastic polymer particles; and once deposited, heating at least a portion of the particles to promote consolidation thereof and form a consolidated body.Type: GrantFiled: November 25, 2020Date of Patent: October 17, 2023Assignee: Xerox CorporationInventors: Shivanthi Easwari Sriskandha, Valerie M. Farrugia, Richard Philip Nelson Veregin
-
Patent number: 11787904Abstract: A phosphinated (2,6-dimethylphenyl ether) oligomer, preparation method thereof and cured product. The phosphinated (2,6-dimethylphenyl ether) oligomer includes a structure represented by Formula (1): wherein X is a single bond, —CH2—, —O—, —C(CH3)2— or R?0, R0, R1, R2 and R3 are independently hydrogen, C1-C6 alkyl or phenyl; n and m are independently an integer from 0 to 300; p and q are independently an integer from 1 to 4; Y is hydrogen, U and V are independently an aliphatic structure.Type: GrantFiled: December 4, 2020Date of Patent: October 17, 2023Assignee: CPC CORPORATION, TAIWANInventors: Sheng-De Li, Ching-Hsuan Lin, Cheng-Liang Liu, Jun-Cheng Ye, You-Lin Shih, Yu An Lin, Wei-Yen Chen, Way-Chih Hsu, Jui-Fu Kao, Ming-Yu Huang, Jann-Chen Lin, Yih-Ping Wang
-
Patent number: 11781007Abstract: A composition comprising: one or more polycarbonates; one or more vinylidene aromatic substituted polymers; and a buffer system that controls the pH in water at 25° C. at a value of about 6.0 to about 8.0. The composition may comprise the buffer system that has a pKa between about 4 and about 10. The composition may comprise: from about 10 or 50 to about 95 percent by weight of the one or more polycarbonates; from about 0.5 or about 10 to about 50 or about 90 percent by weight of the one or more vinylidene aromatic substituted monomers; and from about 0.005 percent to about 0.050 percent by weight of the buffer system; wherein weight is based on the total weight of the composition. The buffer system may be present in an amount from about 0.010 percent to about 0.040 percent by weight.Type: GrantFiled: August 21, 2020Date of Patent: October 10, 2023Assignee: TRINSEO EUROPE GMBHInventors: Claude T. E. Van Nuffel, Gilbert Bouquet, Maurice Laurijs
-
Patent number: 11773287Abstract: A method for forming a coating that is less uneven and more uniform, and has good stability after being formed, by applying a coating-forming composition including a metal compound and/or a halogen-containing compound. The coating is formed by a method including forming a coating by applying a coating-forming composition onto a substrate. The coating-forming composition is a solution including a metal compound and/or a halogen-containing compound, and an amine compound. The metal compound includes one or more metal elements selected from period 2 elements to period 6 elements in the periodic table.Type: GrantFiled: May 12, 2020Date of Patent: October 3, 2023Assignee: Tokyo Ohka Kogyo Co., Ltd.Inventors: Shunichi Mashita, Yoshihiro Sawada
-
Patent number: 11773220Abstract: An antibacterial polymer and a preparation method thereof are provided. The antibacterial polymer is obtained by polymerization of a polyol and a guanidine salt, and has the following structure: In the preparation method, non-toxic and non-irritating polyols are used as raw materials, wherein the non-toxic and non-irritating polyols are friendly to an environment and a human body.Type: GrantFiled: September 19, 2019Date of Patent: October 3, 2023Assignee: Guilin Zheqi Technology Co., LtdInventors: Jixiang Liu, Yunrui Zhao, Yucong Li
-
Patent number: 11773009Abstract: The present disclosure provides a novel glass composition that has a low permittivity and is suitable for mass production. A glass composition provided satisfies, in wt %, for example, 40?SiO2?60, 25?B2O3?45, 0<Al2O3?18, 0<R2O?5, and 0?RO?12, and satisfies at least one of: i) SiO2+B2O3?80 and SiO2+B2O3+Al2O3?99.9; and ii) SiO2+B2O3?78, SiO2+B2O3+Al2O3?99.9, and 0<RO<10. Another glass composition provided includes SiO2, B2O3, Al2O3, R2O, and 3<RO<8 at the same contents as the above, and satisfies SiO2+B2O3?75 and SiO2+B2O3+Al2O3<97, where R2O?Li2O+Na2O+K2O and RO?MgO+CaO+SrO.Type: GrantFiled: August 3, 2022Date of Patent: October 3, 2023Assignees: NIPPON SHEET GLASS COMPANY, LIMITED, UNITIKA LTD., UNITIKA GLASS FIBER CO., LTD.Inventors: Aya Nakamura, Hidetoshi Fukuchi, Junji Kurachi, Riku Sawai, Takaharu Miyazaki, Yoshito Nawa, Kohji Hattori
-
Patent number: 11773251Abstract: The heat-shrinkable film includes a block copolymer comprising a vinyl aromatic hydrocarbon-derived structural unit and a conjugated diene-derived structural unit as a main component.Type: GrantFiled: January 9, 2023Date of Patent: October 3, 2023Assignee: DENKA COMPANY LIMITEDInventors: Yuya Nakamura, Jun Yoshida
-
Patent number: 11767400Abstract: A process for the manufacture of a degradable polycyanurate bulk molding composition includes: contacting a liquid cyanate ester monomer with an additive material and a polymerization catalyst to form a reaction mixture; maintaining a temperature of the reaction mixture at about 80° C. to about 100° C. to form a polycyanurate product having a viscosity of about 120 to about 200 centipoise at 23° C.; heating a reinforcing filler at a temperature of about 50 to about 150° C. to form a pre-heated reinforcing filler; and blending the polycyanurate product with the pre-heated reinforcing filler to form the degradable polycyanurate bulk molding composition. The bulk molding composition can be used to form a degradable polycyanurate article.Type: GrantFiled: August 17, 2020Date of Patent: September 26, 2023Assignee: BAKER HUGHES OILFIELD OPERATIONS LLCInventors: Devesh Agrawal, Anil Sadana, Anton Kovalchuk
-
Patent number: 11753341Abstract: An engineered stone product is made using a material that includes ceramic powder, glass sand, and a binder.Type: GrantFiled: December 12, 2018Date of Patent: September 12, 2023Assignees: MFLGH INC., FUJIAN ULTRACERA NEW MATERIALS CO., LTD.Inventors: Richard Scott Murray, Wangbao Wu
-
Patent number: 11738042Abstract: This invention relates to compositions and methods for promoting and/or accelerating bone regeneration, repair, and/or healing and, in particular, to compositions and methods of promoting bone regeneration, growth, repair, and/or healing using graft or scaffold materials. In exemplary embodiments, the disclosed compositions may be used to promote and/or accelerate bone regeneration by delivering a composition to a bone site, the composition comprising (a) a citrate component, (b) a phosphate component, and, optionally, (c) a particulate inorganic material. The citrate component and/or phosphate component is advantageously released from the composition at the bone site. The released citrate component may function to increase alkaline phosphatase activity and/or expression at the bone site, and the increased alkaline phosphatase activity and/or expression may release the phosphate component. The composition may be delivered in various forms, e.g., as a biodegradable scaffold.Type: GrantFiled: August 9, 2019Date of Patent: August 29, 2023Assignee: The Penn State Research FoundationInventors: Jian Yang, Chuying Ma
-
Patent number: 11737957Abstract: A dental curable composition capable of use as a dental material that can substitute part or all of a natural tooth, in particular, a resin material for dental cutting and machining in the field of dental care. When a block shape usable as the resin material is produced, while mechanical properties and aesthetic properties required for a crown prosthetic appliance are maintained, the dental curable composition can be molded and processed with pressure and heating while strain generated in the block is reduced and no cracks and chipping occur. The dental curable composition includes (a) a polymerizable monomer and (b) a filler in a weight ratio of 10:90 to 70:30, and 0.01 to 10 parts by weight of (c) a polymerization initiator and 0.001 to 1 part by weight of (d) a chain transfer agent being a terpenoid compound based on 100 parts by weight of the polymerizable monomer (a).Type: GrantFiled: August 30, 2018Date of Patent: August 29, 2023Assignee: SHOFU INC.Inventors: Toshiyuki Nakatsuka, Toshio Kitamura, Masanori Goto, Tomohiro Kai, Satoshi Takano, Yoshiyuki Jogetsu
-
Patent number: 11739207Abstract: The present invention relates to a novel composition based on ABA triblock copolymers comprising two styrene thermoplastic end blocks A and a central elastomeric block B which is a saturated olefin, comprising at least one resin chosen from the aromatic resins, that can be used in particular for producing an interface dressing with reinforcement, with a support or which is self-supported, preferably self-supported. The present invention relates to a self-supported interface dressing which can be easily handled since it has good tear strength.Type: GrantFiled: July 12, 2018Date of Patent: August 29, 2023Assignee: URGO RECHERCHE INNOVATION ET DEVELOPPEMENTInventor: Nadège Meyer
-
Patent number: 11732078Abstract: The invention relates to the field of preparing biodegradable polymer slow/controlled release composite, in particular to a biodegradable polymer slow/controlled release binary composite urea-formaldehyde/poly(butylene succinate) and a biodegradable polymer slow/controlled release ternary nanocomposite urea-formaldehyde/poly(butylene succinate)/potassium dihydrogen phosphate. The following steps are included: uniformly mixing two components poly(butylene succinate) and methylol-urea or three components poly(butylene succinate), methylol-urea and potassium dihydrogen phosphate, and then extruding the resulting mixture by an extruder, and the biodegradable polymer slow/controlled release composite urea-formaldehyde/poly(butylene succinate) containing nutrient N and the biodegradable polymer slow/controlled release nanocomposite urea-formaldehyde/poly(butylene succinate)/potassium dihydrogen phosphate containing nutrients of N, P and K are obtained respectively.Type: GrantFiled: July 22, 2020Date of Patent: August 22, 2023Assignee: North University of ChinaInventors: Yaqing Liu, Guizhe Zhao, Wei Zhang, Yang Xiang
-
Patent number: 11730865Abstract: An embolization system and methods for controlling solidification of embolic compositions comprising a first and a second embolic component that react with each other in vivo at a target site to form an embolic material, with the embolic components being dilutable in physiological fluids so that they do not form an embolic composition at a site that is not desired.Type: GrantFiled: May 10, 2019Date of Patent: August 22, 2023Assignee: Incept, LLCInventors: Amarpreet S. Sawhney, Hans Claesson, Raymond Lareau, Douglas Billings
-
Patent number: 11725078Abstract: [Problem to be Solved] To Provide a method for producing an acid-decomposable polymer having a reduced metal ion content, which suppresses decomposition and deprotection of the acid-decomposable polymer. [Means to Solve the Problem] The method for producing an acid-decomposable polymer according to the present invention comprises the steps of: preparing a polymer solution comprising an acid-decomposable polymer; washing an acidic cation exchanger with an organic solvent until the water content in the organic solvent discharged from the acidic cation exchanger falls to 400 ppm or less; and passing the polymer solution through the washed acidic cation exchanger to reduce the metal ion content of the polymer.Type: GrantFiled: June 5, 2020Date of Patent: August 15, 2023Assignee: Maruzen Petrochemical Co., Ltd.Inventors: Tomohiro Masukawa, Ryo Fujisawa
-
Patent number: 11702513Abstract: The present invention concerns an aqueous dispersion comprising particles of water-soluble polymer of average molecular weight higher than or equal to 0.5 million daltons, or of water-swellable polymer, and a mixture of at least one sulfate salt and at least one phosphate salt in weight proportions of between 25:75 and 75:25.Type: GrantFiled: September 17, 2020Date of Patent: July 18, 2023Assignee: S.P.C.M. SAInventors: Alexandre Omont, Renaud Souzy, Marc-Edouard Michel, Bruno Sabot
-
Patent number: 11692048Abstract: A gel composition is herein disclosed. According to one embodiment, the composition comprises a (i) a styrenic block copolymer, (ii) an oil; and (iii) optional additives; wherein the styrenic block copolymer has a structure ABi or iAB, wherein A is a monoalkenyl arene block, B is a conjugated diene block, and i is an isoprene attachment. The isoprene attachment i is substantially unsaturated and the conjugated diene block B is substantially saturated. The gel composition before curing exhibits thixotropic behavior, with a viscosity ranging from about 5000 mPa·s to about 30000 mPa·s. at 25° C. and a shear rate of 20 s?1.Type: GrantFiled: September 9, 2020Date of Patent: July 4, 2023Assignee: KRATON CORPORATIONInventors: Catherine A. L. Maris, Erin B. Murphy, Robert C. Bening, Xiangyun Wei, Xavier D. Muyldermans
-
Patent number: 11680153Abstract: The present invention relates to a rubber composition having excellent tensile properties and viscoelasticity properties and including a conjugated diene-based polymer. The rubber composition may include a modified conjugated diene-based polymer which is selected considering target tensile properties and viscoelasticity properties, by predicting in advance the correlation between the modification ratio of the modified conjugated diene-based polymer and the dynamic viscoelasticity loss coefficient at 60° C. of the rubber composition through Mathematical Formula 1 and Mathematical Formula 2. Therefore, excellent compounding properties may be shown.Type: GrantFiled: November 21, 2018Date of Patent: June 20, 2023Inventors: Suk Youn Kang, Jin Sook Ryu, Kyoung Hwan Oh, Jeong Heon Ahn
-
Patent number: 11673999Abstract: A polyimide precursor solution includes: a polyimide precursor; a resin particle having 55% by weight or more of a structural unit derived from a styrene derivative; and a mixed solvent containing a first organic solvent (S1) and a second organic solvent (S2), wherein the polyimide precursor solution satisfies the following conditions (1) to (4), condition (1): a weight ratio (S1/S2) of the first organic solvent (S1) to the second organic solvent (S2) is from 50/50 to 90/10, condition (2): a HSP distance between the first organic solvent (S1) and the resin particle is 11 or more and less than 16, condition (3): a HSP distance between the second organic solvent (S2) and the resin particle is 16 or more, and condition (4): a HSP distance between the mixed solvent and the polyimide precursor is 12 or less.Type: GrantFiled: August 17, 2020Date of Patent: June 13, 2023Assignee: FUJIFILM BUSINESS INNOVATION CORP.Inventors: Tomoya Sasaki, Hidekazu Hirose
-
Patent number: 11673995Abstract: A polyol polymer is obtained from reactants including: a) a non-aromatic epoxy functional compound that includes at least 30 weight % of the total solids weight of the reactants; and b) an aromatic mono-carboxylic acid functional compound, or anhydride thereof, that is substantially free of non-aromatic ethylenic unsaturation. The polyol polymer has ester linkages and hydroxyl functional groups. Further, if the reactants further include an aromatic polycarboxylic acid, the aromatic polycarboxylic acid makes up less than 15 weight % of the total solids weight of the reactants. A coating composition is also prepared with the polyol polymer.Type: GrantFiled: August 8, 2019Date of Patent: June 13, 2023Assignee: PPG Industries Ohio, Inc.Inventors: Jonathan P. Breon, Hongying Zhou, Tsukasa Mizuhara, Paul H. Lamers, Gobinda Saha