Patents Examined by Randy P Gulakowski
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Patent number: 11566107Abstract: An etheramine mixture comprising one or more polyether diamines, methods for its production, and its use as a curing agent for epoxy resins. The etheramine mixture may also be used in the preparation of polyamides and polyurea compounds.Type: GrantFiled: March 18, 2019Date of Patent: January 31, 2023Assignee: HUNTSMAN Petrochemical LLCInventors: Howard P. Klein, Terry L. Renken, Cheng-Kuang Li
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Patent number: 11565502Abstract: Disclosed herein is a bonding method for bonding two adherends using an adhesive main agent that contains a thermoplastic resin having a cross-linkable group and a catalyst. The bonding method includes the steps of forming a main agent layer on one of the adherends; applying a catalyst onto the main agent layer; laminating the main agent layer and another adherend; and heating and pressing a laminated body in a layer thickness direction. Another embodiment of the bonding method may include a step of applying a catalyst onto one of the adherends, a step of forming a main agent layer on a surface onto which the catalyst has been applied, a step of laminating the two adherends, and a step of heating and pressing a laminated body in a layer thickness direction.Type: GrantFiled: November 29, 2019Date of Patent: January 31, 2023Assignee: TOYOTA BOSHOKU KABUSHIKI KAISHAInventors: Tatsuo Naito, Masakazu Kito
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Patent number: 11560452Abstract: The invention relates to epoxide-amine adducts obtainable by reaction of one or more primary amines (A) of general formula (I) Q-NH2??(I) with one or more monoepoxides (B) of general formula (II) wherein Q is a radical Rt-[OEt]n[OPr]m[OBu]s-, in which Rt is a radical selected from alkyl radicals having 1 to 6 carbon atoms, OEt is an ethylene oxide radical, OPr is a propylene oxide radical and OBu is a butylene oxide radical, n is a number from 0 to 100, m is a number from 3 to 50 and s is a number from 0 to 20 and n+m+s=3 to 170, R is an organic radical selected from aliphatic radicals having 4 to 24 carbon atoms, aromatic radicals having 6 to 18 carbon atoms and araliphatic radicals having 7 to 34 carbon atoms, and p is 0 or 1, wherein (i) the primary amine(s) (A) and the monoepoxide(s) (B) are reacted in an equivalents ratio (A):(B) of from 1:2 to 1:1.Type: GrantFiled: March 28, 2018Date of Patent: January 24, 2023Assignee: BYK-Chemie GmbHInventors: Michael Bessel, Marcus Meichsner, Carsten Nagel, Maya Sanchez Y Sosa, Christian Biecker, Peter Stannek
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Patent number: 11560448Abstract: A curable epoxy composition suitable for surface application, comprising one or more epoxy resin (s); 2, 4, 6-tribromophenyl end-capped tetrabromobisphenol A epoxy-based flame retardant; and phosphorus-containing compound selected from the group consisting of one or more of: ammonium polyphosphate; resorcinol bis (diphenyl phosphate); and liquid alkylated triphenyl phosphate ester. The composition is substantially Sb2O3-free.Type: GrantFiled: December 14, 2017Date of Patent: January 24, 2023Assignee: BROMINE COMPOUNDS LTD.Inventors: Meyrav Abecassis-Wolfovich, Smadar Swissa
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Patent number: 11548981Abstract: A polyphenylene ether having a predetermined structure.Type: GrantFiled: March 29, 2019Date of Patent: January 10, 2023Assignee: ASAHI KASEI KABUSHIKI KAISHAInventors: Hiroshi Fukuoka, Shoji Otani, Katsuhiro Iwase, Masaaki Aramaki
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Patent number: 11548976Abstract: A glycidyl amine epoxy resin(s) and a process for production of glycidyl amine epoxy resin(s) are disclosed. The glycidyl amine epoxy resin(s) is/are free from Bisphenol A (BPA) and Bisphenol F (BPF) and are based on AMES negative amine precursors.Type: GrantFiled: October 17, 2018Date of Patent: January 10, 2023Assignee: Aditya Birla Chemicals (Thailand) LimitedInventors: Pradip Kumar Dubey, Alok Khullar, Daniel Suckley, Thipa Naiyawat, Nok Noiphom, Dapawan Kunwong, Patcharin Samuthsen, Worakan Chamongkolpradit, Suphansa Noghan, Nalintip Changsarn
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Patent number: 11518845Abstract: The present disclosure provides a curing agent comprising a polyetheramine, a tertiary amine and an alkanolamine. The curing agent may be combined with an epoxy resin to form a curable composition which is capable of being applied to a substrate and cured to form a cured article.Type: GrantFiled: February 5, 2018Date of Patent: December 6, 2022Assignee: Huntsman Petrochemical LLCInventors: Wei-Yang Su, Hui Zhou
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Patent number: 11518844Abstract: Disclosed herein are methods of preparing an aminimide. An epoxy compound is reacted with a hydrazine compound comprising a trivalent nitrogen, and an anhydride functional material or a cyclic compound containing a carbonyl group and at least one heteroatom alpha to the carbonyl group at a temperature greater than 20° C. to form the aminimide. At least one of the epoxy compound and the anhydride functional material or the cyclic compound is polymeric.Type: GrantFiled: June 18, 2019Date of Patent: December 6, 2022Assignee: PPG Industries Ohio, Inc.Inventors: Hongying Zhou, Masayuki Nakajima, Shanti Swarup, Tien-Chieh Chao
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Patent number: 11505640Abstract: Provided is an alicyclic epoxy compound product used in applications for forming a cured product excellent in heat resistance and transparency. The alicyclic epoxy compound product according to an embodiment of the present invention includes 3,4-epoxycyclohexylmethyl(3,4-epoxy)cyclohexanecarboxylate, a purity of which is of not less than 98.5 wt. %, and each content of a compound represented by Formula (a) below, a compound represented by Formula (b) below, a compound represented by Formula (c) below, and a compound represented by Formula (d) below is not greater than 0.5 wt. %.Type: GrantFiled: January 8, 2019Date of Patent: November 22, 2022Assignee: DAICEL CORPORATIONInventors: Hirose Suzuki, Yoshito Nakai
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Patent number: 11500290Abstract: An adhesion promoter composition comprising at least one of the following compounds: (a) a cyclic compound having the formula: (b) a non-cyclic compound having the formula: wherein R1 and R2 each independently represents a non-photoactive phenyl, a photoactive phenyl or a C1-C4 alkyl; R3 represents a non-photoactive phenyl; R4 represents a photoactive phenyl; W represents Si or Ge; n represents an integer of value greater than 1; m represents an integer between 0 and 1.Type: GrantFiled: November 13, 2018Date of Patent: November 15, 2022Assignee: International Business Machines CorporationInventors: Dario Goldfarb, Bharat Kumar, Ekmini Anuja De Silva, Jing Guo
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Patent number: 11492522Abstract: The embodiments described herein generally relate to methods and chemical compositions for coating substrates with a composition. In one embodiment, an adhesive composition is provided comprising a reaction product of a polyacid selected from the group consisting of an aromatic polyacid, an aliphatic polyacid, an aliphatic polyacid with an aromatic group, and combinations thereof, or a diglycidyl ether; and a polyamine; and one or more compounds selected from the group consisting of a branched aliphatic acid, a cyclic aliphatic acid with a cyclic aliphatic group, a linear aliphatic, and combinations thereof.Type: GrantFiled: June 21, 2017Date of Patent: November 8, 2022Assignee: HEXION INC.Inventors: Charles Zha, Jan Beetge, Leo Elder, John W. Green
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Patent number: 11492445Abstract: Embodiments of the present disclosure describe a method of synthesizing a glycidyl azide homopolymer comprising contacting a glycidyl azide monomer, an initiator, and a Lewis acid sufficient to form the glycidyl azide homopolymer; wherein the glycidyl azide homopolymer is directly polymerized from the glycidyl azide monomer. Embodiments of the present disclosure further describe a method of making a glycidyl azide polymer comprising contacting one or more of a glycidyl azide monomer, an epoxide monomer, carbon dioxide, an initiator, and a Lewis acid in a reaction medium to form a glycidyl azide polymer.Type: GrantFiled: August 27, 2018Date of Patent: November 8, 2022Assignee: KING ABDULLAH UNIVERSITY OF SCIENCE AND TECHNOLOGYInventors: Xiaoshuang Feng, Senthil Boopathi, Nikolaos Hadjichristidis, Yves Gnanou
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Patent number: 11492440Abstract: Clearcoat compositions and methods for forming a clearcoat compositions are provided. In one example, a clearcoat composition includes a binder portion A that includes a polyaspartic ester resin. An activator portion B includes a polyol-modified isocyanate that is a reaction product of a polyisocyanate component and a polyol component. The polyol component includes polycaprolactone polyol.Type: GrantFiled: July 27, 2018Date of Patent: November 8, 2022Assignee: AXALTA COATING SYSTEMS IP CO., LLCInventors: Mei Wen, Iain Harvey
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Patent number: 11492544Abstract: The embodiments described herein generally relate to methods and chemical compositions for fracturing fluid applications. In one embodiment, a fracturing fluid composition is provided comprising a fracturing fluid and an additive composition including a reaction product of a diglycidyl ether or a polyacid selected from the group consisting of an aromatic polyacid, an aliphatic polyacid, an aliphatic polyacid with an aromatic group, and combinations thereof; and a polyamine; and one or more compounds selected from the group consisting of a branched aliphatic acid, a cyclic aliphatic acid with a cyclic aliphatic group, a linear aliphatic, and combinations thereof.Type: GrantFiled: October 11, 2017Date of Patent: November 8, 2022Assignee: HEXION INC.Inventors: Charles Zha, Jan Beetge
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Patent number: 11479629Abstract: Provided is a method for the production of a crosslinked molded body containing polyaryletherketone (PAEK), comprising the steps of (a) providing a mixture comprising a PAEK and a crosslinker, (b) preparing a molded body from the mixture, and (c) thermally treating the molded body at a temperature at which PAEK crosslinks, thereby obtaining the crosslinked molded body, and wherein the crosslinker is a di(aminophenyl) compound comprising two aminophenyl rings, wherein the two aminophenyl rings are joined together via an aliphatic group having a carbocyclic rest.Type: GrantFiled: August 5, 2019Date of Patent: October 25, 2022Assignee: FREUDENBERG SEInventors: Thomas Schauber, Marco Sutter, Anke Zeller, Kira Truxius, Christoph Krafft, Ivan Schmalzel, Michael Schmitt, Mirco Niklas, Stefan Behle, Juergen Wenzel, Bernd Havemann
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Patent number: 11479631Abstract: The invention relates to a composition that contains a binary mixture of bisphenol F and propoxylated bisphenol F. The aim of the invention is to provide aromatic polyols for preparing polyurethane-based and polyisocyanurate-based polymers, which ensure good handling from a technical point of view and good miscibility with the isocyanate component and render the end product flameproof. For this purpose, the invention devises a composition, which contains a binary mixture of ethoxylated bisphenol F and propoxylated bisphenol F in a weight ratio of 20:80 to 80:20.Type: GrantFiled: May 28, 2019Date of Patent: October 25, 2022Inventors: Stephan Schröter, Pravin Kukkala, Ganapathy Viswanathan, Anthony Maiorana, Athina Kerkaidou
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Patent number: 11453743Abstract: A thermoset epoxy resin, its preparing composition and making process are disclosed. In particular, the thermoset epoxy resin is glycidyl ether of diphenolic bis-carbamate and formed by curing a one component epoxy composition and has a general structure as shown in formula (1).Type: GrantFiled: June 5, 2020Date of Patent: September 27, 2022Assignee: CHANDA CHEMICAL CORP.Inventors: Chien-Hsin Wu, Ying-Chi Huang, Kuan-Ting Chen, Chia-Hsuan Lin, Sheng-Hong A. Dai, Ru-Jong Jeng
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Patent number: 11447597Abstract: In various embodiments, a resin composition includes a urethane (meth)acrylate, a reactive diluent, and a urethane (meth)acrylate toughener. The urethane (meth)acrylate toughener includes at least one additional polyol having a number average molecular weight Mn of greater than 1,000 g/mol. Cured articles made from the resin composition have an average fracture toughness (KIc) value from 1 MPa*m1/2 to 3 MPa*m1/2 when measured in accordance with ASTM D5045. Processes for making the resin composition as well as processes using the resin composition are also provided.Type: GrantFiled: September 7, 2017Date of Patent: September 20, 2022Assignee: Dow Global Technologies LLCInventors: Huifeng Qian, Rajat Duggal, Muhammad A. Shafi, Luigi Pellacani, Harshad M. Shah
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Patent number: 11447596Abstract: The present invention relates to a thermoplastic polyurethane obtainable or obtained by reacting a polyisocyanate composition, a chain extender, and a polyol composition, wherein the polyol composition comprises a polyol (P1) which has a molecular weight Mw in the range from 1500 to 2500 g/mol and has at least one aromatic polyester block (B1). The present invention further relates to a process for producing a shaped body comprising such a thermoplastic polyurethane, and to shaped bodies obtainable or obtained by a process of the invention.Type: GrantFiled: December 22, 2017Date of Patent: September 20, 2022Assignee: BASF SEInventors: Sebastian Richter, Zeljko Tomovic, Kathrin Cohen
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Patent number: 11441030Abstract: Provided is a resin composition comprising: a polycarbonate resin (A) containing, as main repeating units, a unit (a-1) represented by the following formula (a-1) and a unit (a-2) represented by the following formula (a-2) (wherein, W represents a C1-20 alkylene group or a C6-20 cycloalkylene group, R represents a branched or linear-chain C1-20 alkyl group or a C6-20 cycloalkyl group optionally substituted, and m represents an integer of 0 to 10) and an acrylic resin (B), and the polycarbonate resin and the acrylic resin are in a weight ratio of 40:60 to 99:1, wherein the resin composition has a single glass transition temperature, which is in the range of 90° C. to 150° C., and the resin composition has excellent transparency, chemical resistance, surface hardness and heat resistance, and has a low photoelastic coefficient.Type: GrantFiled: September 21, 2016Date of Patent: September 13, 2022Assignee: TEIJIN LIMITEDInventors: Kenta Imazato, Shoichi Maekawa, Katsuhiro Yamanaka