Patents Examined by Catherine S Branch
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Patent number: 11905355Abstract: Polymerizable liquids for 3D printing applications are described herein which, in some embodiments, impart flame resistant and/or flame retardant properties to articles printed from the build materials. The polymerizable liquids may also impart desirable mechanical properties to the articles. In some embodiments, a polymerizable liquid comprises a curable isocyanurate component in an amount of at least 20 wt. %, based on total weight of the polymerizable liquid, and an organophosphate component comprises one or more organophosphate compounds. In some embodiments, the polymerizable liquid further comprises an acrylate component.Type: GrantFiled: December 8, 2021Date of Patent: February 20, 2024Assignee: 3D SYSTEMS, INC.Inventor: Khalil Moussa
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Patent number: 11897972Abstract: A hydrogen bond induced high stability porous covalent organic gel material and a preparation method thereof are provided. The method comprises: dissolving tetrakis(4-carboxyphenyl)silane in methanol to obtain solution A; adding concentrated sulfuric acid to the solution A, then water-bath heating and re-flowing to obtain a solution B; evaporating the solution B, dissolving remaining powder with an ethyl acetate, washing and drying, filtering and then evaporating the filtrate until crystallization to obtain a colorless solid C; dissolving the colorless solid C and hydrazine hydrate in methanol, water-bath re-fluxing, filtering and collecting white powder, washing and drying to obtain a white solid D; adding the white solid D and 1,4-Phthalaldehyde to N,N-dimethyl-formamide, adding trifluoroacetic acid, and then getting the desired material.Type: GrantFiled: May 11, 2021Date of Patent: February 13, 2024Assignee: SHENZHEN GREEN FIELDS ENVIRONMENTAL TECH. CO., LTDInventors: Jianwei Zhao, Zengliang Fan, Ying Xu, Liang Shao, Jiaming Guo
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Patent number: 11897979Abstract: Some embodiments of the disclosure provides polyacrylonitrile (PAN) and a preparation method and use thereof. The method includes the following steps. Mixing raw materials for polymerization to obtain a suspension comprising the PAN. The raw materials include an acrylonitrile monomer, a first auxiliary monomer, a second auxiliary monomer, a polymerization medium, an initiator, a chain transfer agent, and a settling agent. Removing unreacted monomers and unreacted polymerization medium in the suspension to obtain the PAN. After subsequent removal of monomers, removal of a polymerization medium, washing, and drying, a PAN powder is obtained. In some embodiments, the preparation method of the PAN has a wide adjustable range of a PAN copolymerization composition, a low viscosity of a polymerization system, a high concentration of a polymerized monomer, and a strong anti-scaling ability.Type: GrantFiled: July 7, 2022Date of Patent: February 13, 2024Assignee: Changchun University of TechnologyInventors: Zhongyu Fu, Huijie Yan, Huixuan Zhang
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Patent number: 11897793Abstract: Provided is a catalyst for a Fenton system, and a method of preparing the same. The catalyst includes one or more species of d0-orbital-based or non-d0-orbital-based catalyst including NO3?/SO42?/H2PO4?/HPO42?/PO43? functional groups on the surface thereof. The method includes preparing a d0-orbital-based or non-d0-orbital-based transition metal oxide; and preparing a transition metal oxide catalyst comprising a NO3?, SO42?, H2PO4?, HPO42?, or PO43? functional group on the surface of the catalyst via nitrification, sulfation, or phosphorylation of the transition metal oxide.Type: GrantFiled: December 8, 2020Date of Patent: February 13, 2024Assignee: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGYInventors: Jongsik Kim, Heon Phil Ha
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Patent number: 11897987Abstract: Disclosed are polymers derived from biomass. More specifically described are ?-pinene-based polymers, copolymers and compositions comprising ?-pinene-based polymers. Also disclosed are methods of making the same.Type: GrantFiled: March 15, 2022Date of Patent: February 13, 2024Assignee: The Florida State University Research Foundation, Inc.Inventors: Justin Kennemur, Mark Yarolimek
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Patent number: 11891460Abstract: An activated solid catalyst component is disclosed formed from a magnesium compound, a titanium compound, an organosilicon compound, a supportive electron donor, and at least one internal electron donor. The solid catalyst component is activated to include titanium and carbon bonds by reaction with an activation agent, such as an aluminum compound. In one embodiment, small amounts of polymer are polymerized with the catalyst component during activation. The activated catalyst component is stable and, when formed, can later be used to produce various polyolefin polymers. The activated catalyst component has controlled reaction kinetics so that the catalyst does not overheat and degrade during initial polymerization.Type: GrantFiled: May 7, 2020Date of Patent: February 6, 2024Assignee: W. R. Grace & Co.-Conn.Inventor: Vladimir Marin
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Patent number: 11891466Abstract: A high Tg acrylic copolymer includes methyl methacrylate with one or more high Tg hydrophobic monomers. The copolymer includes: a) at least one of tert-butyl cyclohexyl methacrylate, 3,3,5-trimethylcyclohexyl(meth)acrylate, tetrahydrofurfuryl methacrylate, or a mixture thereof; and b) (meth)acrylate monomer. The copolymer has the following properties: i) Tg of from 116° C. to 140° C.; ii) Mw of at least 110,000; and iii) a residual monomer level of less than 1.0 weight percent. The copolymer exhibits high heat resistance, high light transmission, low haze, low moisture uptake, excellent environmental stability, excellent high temperature thermal stability, and excellent mechanical properties, along with excellent UV resistance. The high molecular weight hydrophobic copolymer of the invention has the excellent environmental stability required for electronic components in automotive, displays, smartphones, photovoltaics, and others.Type: GrantFiled: March 4, 2022Date of Patent: February 6, 2024Assignee: Trinseo Europe GmbHInventors: Jiaxin Jason Ge, Gary Hall
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Patent number: 11891467Abstract: An optical clear resin includes a tetrahydrofuran (THF)-based oligomer having a glass transition temperature of about ?50° C. or less, an acrylate-based monomer, and a photoinitiator. As the optical clear resin includes the tetrahydrofuran-based oligomer, the curing time of the optical clear resin is shortened and the modulus of elasticity of the optical clear resin is lowered.Type: GrantFiled: July 27, 2022Date of Patent: February 6, 2024Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Jeongin Lee, Boo-Kan Ki, Ho Yun Byun, Donghyeon Lee, Sebeen Lee
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Patent number: 11891464Abstract: A compound of formula (1) as drawn in the description, wherein M is a Group 4 metal, one R is a silicon-containing organic solubilizing group, and the other R is a silicon-containing organic solubilizing group or a silicon-free organic solubilizing group. A method of synthesizing the compound (1). A solution of compound (1) in alkane solvent. A catalyst system comprising or made from compound (1) and an activator. A method of polymerizing an olefin monomer with the catalyst system.Type: GrantFiled: October 11, 2019Date of Patent: February 6, 2024Assignee: DOW GLOBAL TECHNOLOGIES LLCInventors: Bethany M. Neilson, Roger L. Kuhlman, Ian M. Munro, John F. Szul
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Patent number: 11884759Abstract: This application relates to a low-dielectric thermally curable resin composition for solving a problem of increased transmission loss. In one aspect, the low-dielectric thermally curable resin composition includes a (meth)acrylic monomer having an alicyclic heterocycle, a polyfunctional (meth)acrylic monomer, an initiator, and a curing accelerator, and a low dielectric material prepared therefrom. Various embodiments can provide excellent low dielectric properties with a dielectric constant (Dk) in a high frequency area of 1 to 20 GHz of less than, for example, 3.28. In addition, the low dielectric material can have a significantly reduced transmission loss with a dissipation factor (Df) in an area of 1 to 20 GHz of less than, for example, 0.008, and thus, may implement excellent transmission properties in excellent 5G mobile communication.Type: GrantFiled: December 2, 2021Date of Patent: January 30, 2024Assignee: KOREA ELECTRONICS TECHNOLOGY INSTITUTEInventors: Myong Jae Yoo, Churl Seung Lee
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Patent number: 11873365Abstract: A solid catalyst component for the polymerization of olefins made from or containing Mg, Ti and an electron donor of formula (I) where the R1 and R5 groups, equal to or different from each other, are selected from C1-C15 hydrocarbon groups, R2 group is selected from C2-C10 hydrocarbon groups, R3 to R4 groups, independently, are selected from hydrogen or C1-C20 hydrocarbon groups, optionally fused together to form one or more cycles, with the proviso that at least one of R3 to R4 groups is a C1-C20 alkyl group.Type: GrantFiled: June 24, 2020Date of Patent: January 16, 2024Assignee: Basell Poliolefine Italia S.r.l.Inventors: Alessandro Mignogna, Dario Liguori, Giampiero Morini
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Patent number: 11866533Abstract: Disclosed herein is an anti-biofouling copolymer including a first structural unit represented by formula (I) and a second structural unit represented by formula (II), wherein each of the substituents is given the definition as set forth in the Specification and Claims. Also disclosed herein is a method for preparing an anti-biofouling copolymer which includes subjecting a first compound represented by formula (a) to polymerization reaction with a second compound represented by formula (b), wherein each of the substituents is given the definition as set forth in the Specification and Claims.Type: GrantFiled: November 9, 2022Date of Patent: January 9, 2024Assignee: SOUTHERN TAIWAN UNIVERSITY OF SCIENCE AND TECHNOLOGYInventors: Ying-Nien Chou, Ming-Zu Ou, Yu-Chan Wu, Po-Ching Lee
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Patent number: 11866824Abstract: Described are lanthanide-containing metal coordination complexes which may be used as precursors in thin film depositions, e.g., atomic layer deposition processes. More specifically, described are homoleptic lanthanide-aminoalkoxide metal coordination complexes, lanthanide-carbohydrazide metal coordination complexes, and lanthanide-diazadiene metal coordination complexes. Additionally, methods for depositing lanthanide-containing films through an atomic layer deposition process are described.Type: GrantFiled: September 9, 2022Date of Patent: January 9, 2024Assignee: Applied Materials, Inc.Inventors: Thomas Knisley, Mark Saly
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Patent number: 11871650Abstract: The invention relates to a composition comprising a blend of fluorinated electroactive polymers and having a dielectric permittivity that exhibits greater stability over the operating temperature range with respect to each polymer employed on its own. The invention also relates to formulations and films produced on the basis of said composition. The invention also relates to a field-effect transistor, at least part of the dielectric layer of which is composed of a blend of fluorinated electroactive polymers.Type: GrantFiled: August 7, 2018Date of Patent: January 9, 2024Assignees: ARKEMA FRANCE, UNIVERSITE DE BORDEAUX, INSTITUT POLYTECHNIQUE DE BORDEAUX, CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUEInventors: Fabrice Domingues Dos Santos, Thibaut Soulestin, Damien Thuau, Georges Hadziioannou
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Patent number: 11866540Abstract: An ethylene-propylene block copolymer resin is provided that is suitable as an insulation layer of an electric power cable. The ethylene-propylene block copolymer is obtained by polymerization of a propylene homopolymer or an ethylene-propylene random copolymer with an ethylene-propylene rubber copolymer in stages in reactors in the presence of a Ziegler-Natta catalyst obtained using two internal electron donors, wherein one of the two internal electron donors is a compound comprising an ester group and an alkoxy group, the ethylene-propylene block copolymer has a melting temperature of 150 to 160° C., the content of the solvent extract thereof when extracted at room temperature with xylene is 30 to 50% by weight, and the intrinsic viscosity of the solvent extract is 1.5 to 3.0 dl/g.Type: GrantFiled: November 8, 2018Date of Patent: January 9, 2024Inventors: BongSeock Kim, Youngjoo Lee, Youngwook Choi, YongSung Chun
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Patent number: 11859035Abstract: The invention provides a method for producing a polymer used as a base film for cell culture which comprises (i) preparing a mixture containing (a) a monomer of formula (I): wherein Ua1 and Ua2 each independently represent a hydrogen atom or a linear or branched alkyl group having 1 to 5 carbon atoms, Ra1 represents a hydrogen atom or a linear or branched alkyl group having 1 to 5 carbon atoms, and Ra2 represents a linear or branched alkylene group having 1 to 5 carbon atoms, (b) a radical polymerization initiator, and (c) an organic solvent, and (ii) preparing a polymer by raising a temperature of the mixture under stirring to polymerize the monomer. The invention also provides methods of producing a base film for cell culture and a cell culture container.Type: GrantFiled: August 22, 2019Date of Patent: January 2, 2024Assignee: NISSAN CHEMICAL CORPORATIONInventors: Kohei Suzuki, Yoshiomi Hiroi, Natsuki Abe
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Patent number: 11859032Abstract: A process to produce a branched ethylene-?-olefin diene elastomer comprising combining a catalyst precursor and an activator with a feed comprising ethylene, C3 to C12 ?-olefins, and a dual-polymerizable diene to obtain a branched ethylene-?-olefin diene elastomer; where the catalyst precursor is selected from pyridyldiamide and quinolinyldiamido transition metal complexes. The branched ethylene-?-olefin diene elastomer may comprise within a range from 40 to 80 wt % of ethylene-derived units by weight of the branched ethylene-?-olefin diene elastomer, and 0.1 to 2 wt % of singly-polymerizable diene derived units, 0.1 to 2 wt % of singly-polymerizable diene derived units, and the remainder comprising C3 to C12 ?-olefin derived units, wherein the branched ethylene-?-olefin diene elastomer has a weight average molecular weight (Mw) within a range from 100 kg/mole to 300 kg/mole, an average branching index (g?avg) of 0.9 or more, and a branching index at very high Mw (g?1000) of less than 0.9.Type: GrantFiled: May 19, 2021Date of Patent: January 2, 2024Assignee: ExxonMobil Chemical Patents Inc.Inventors: Crisita Carmen H. Atienza, Rhutesh K. Shah, Ron Walker, John R. Hagadorn, Sudhin Datta
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Patent number: 11852781Abstract: Waveguides and electromagnetic cavities fabricated in hyperuniform disordered materials with complete photonic bandgaps are provided. Devices comprising electromagnetic cavities fabricated in hyperuniform disordered materials with complete photonic bandgaps are provided. Devices comprising waveguides fabricated in hyperuniform disordered materials with complete photonic bandgaps are provided. The devices include electromagnetic splitters, filters, and sensors.Type: GrantFiled: July 13, 2021Date of Patent: December 26, 2023Assignee: THE TRUSTEES OF PRINCETON UNIVERSITYInventors: Paul J Steinhardt, Marian Florescu, Salvatore Torquato
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Patent number: 11845072Abstract: A process and apparatus for indirect heating of catalyst in the regeneration zone is disclosed. A hot flue gas flows within a heating tube and the catalyst to be heated flows outside the heating tube. The hot flue gas is generated by igniting a fuel stream. The hot flue gas is generated directly in the heating tube or is generated in a separate burner outside the heating tube.Type: GrantFiled: May 3, 2021Date of Patent: December 19, 2023Assignee: UOP LLCInventors: Richard A. Johnson, II, John Senetar
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Patent number: 11840594Abstract: The present invention provides a method for producing highly reactive polyisobutylene by liquid phase polymerization of isobutylene or isobutylene containing feed stock, wherein at least 70 mole % of polymer chains in the polyisobutylene have exo olefin end groups. Further, the present invention provides a catalyst composition for polymerization, comprising of a Lewis acid complexed with at least two Lewis bases selected from sterically hindered ether and linear dialkyl ether; or a Lewis base complexed with at least two Lewis acids selected from aluminium halides mixture. The present invention additionally provides that Lewis acid with Lewis bases mixture or Lewis base with Lewis acids mixture constituting the catalyst show synergistic effect resulting in high isobutylene conversion and production of polyisobutylene having high exo olefin content, while maintaining desired molecular weight range of 250-10000 Dalton.Type: GrantFiled: July 21, 2021Date of Patent: December 12, 2023Assignee: INDIAN OIL CORPORATION LIMITEDInventors: Rajasekhar Tota, Gurmeet Singh, Rashmi Rani, Sujit Mondal, Gurpreet Singh Kapur, Sankara Sri Venkata Ramakumar