Patents Examined by Michael L Leonard
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Patent number: 11912821Abstract: The present invention provides alkoxylated polymers. The alkoxylated polymers have two or more alkoxylated sites. The alkoxylated polymers can comprise any monomers and/or oligomers that contain one or more functional groups with an active hydrogen. The alkoxylated polymers are useful in any application for which polymers are generally used. For example, the alkoxylated polymers are useful as additives in ink and coating compositions.Type: GrantFiled: January 17, 2019Date of Patent: February 27, 2024Assignee: Sun Chemical CorporationInventors: Ramasamy Krishnan, Ralph Arcurio, Russell Schwartz
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Patent number: 11912867Abstract: Described herein is a polyurethane having an isocyanate group and having C—C double bonds on a side chain, a process for preparing such a polyurethane, and an UV-moisture dual cure polyurethane reactive hotmelt including the polyurethane.Type: GrantFiled: January 14, 2020Date of Patent: February 27, 2024Assignee: BASF SEInventors: Xuyuan Peng-Poehler, Yun Fei Guo, Li Chen
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Patent number: 11912813Abstract: The present invention relates to a urethane resin obtained by reacting a polymerizable composition containing at least a urethane prepolymer (B2) having an iso(thio)cyanate group at an end of a molecule thereof, which is obtained by reacting a bifunctional active hydrogen-containing compound (C1) having two groups having active hydrogen in a molecule thereof and a bifunctional iso(thio)cyanate group-containing compound (B1) having two iso(thio)cyanate groups in a molecule thereof, a polyrotaxane (A) having a composite molecular structure formed by an axial molecule and a plurality of cyclic molecules clathrating the axial molecule, in which side chains having a group having active hydrogen are introduced into at least a part of the cyclic molecules, and a polyfunctional active hydrogen-containing compound (C2) other than the polyrotaxane (A) and having three or more groups having active hydrogen in a molecule thereof.Type: GrantFiled: April 8, 2019Date of Patent: February 27, 2024Assignee: TOKUYAMA CORPORATIONInventors: Yasutomo Shimizu, Takayoshi Kawasaki, Mitsuki Tochi
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Patent number: 11897994Abstract: An object of the invention is to provide a urethane resin composition containing a biomass raw material and having excellent moisture permeability and excellent film strength. The invention provides a urethane resin composition containing a urethane resin (X), the urethane resin (X) containing, as essential raw materials, a polyol (A) that contains a polyol (a1) having an oxyethylene group, and a polyisocyanate (B), in which the polyol (A) further contains a polyester polyol (a2) containing a biomass-derived glycol (i) and a crystalline polybasic acid (ii) as raw materials, and the polyol (A) has a hydroxyl equivalent in a range of 400 g/eq to 600 g/eq. In addition, the invention provides a moisture-permeable film which is formed of the urethane resin composition.Type: GrantFiled: August 20, 2020Date of Patent: February 13, 2024Assignee: DIC CorporationInventors: Kunihiko Komatsuzaki, Yoshinori Kanagawa
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Patent number: 11897995Abstract: The presently claimed invention is directed to a copolymer obtained by reacting at least one isocyanate (A) comprising at least one allophanate group and at least one active double bond with at least one isocyanate reactive component (B) to form an intermediate product (C); and reacting the intermediate product (C) with at least one active double bond reactive component (D) to obtain the copolymer which can be used as dispersant. The at least one isocyanate reactive component (B) is selected from the group consisting of monofunctional polyether amine (B1), monofunctional polyether alcohol (B2), C6-C30 monofunctional alcohol (B3) and monofunctional polyester alcohol (B4).Type: GrantFiled: July 17, 2020Date of Patent: February 13, 2024Assignee: BASF SEInventors: Andreas Gernandt, Huiguang Kou, Steffen Onclin, Clemens Auschra, Johannes Hermann Willenbacher
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Patent number: 11898054Abstract: Actinic radiation-curable compositions containing polythiols and urethane/urea-containing polyalkenyl prepolymers that can be used for aerospace coatings and sealants. The coatings can be applied to surfaces and rapidly cured.Type: GrantFiled: November 17, 2020Date of Patent: February 13, 2024Assignee: PRC-DESOTO INTERNATIONAL, INC.Inventors: Bruce Virnelson, Chandra Rao, Renhe Lin
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Patent number: 11884768Abstract: Methods for forming elastomeric polyurethane articles are provided in which an isocyanate component including an isocyanate prepolymer is mixed with an isocyanate-reactive component having a viscosity ranging from 50,000 to 200,000 centipoise as measured by ASTM standard D2196, and wherein is applied as one or more layers onto a surface of a carrier substrate at an application rate ranging from 0.5 to 20 g/sec, with each one of said applied one or more layers independently having a thickness ranging from 0.2 and 10 millimeters and having a total thickness ranging from ranging from 0.2 to 60 millimeters. The applied layers are cured in the absence of added heat via an exothermic reaction to form the elastomeric polyurethane article having an abrasion resistance ranging from 20 to 250 mm3, a hardness ranging from 60 Asker C to 90 Asker C, and a density ranging from 330 and 1000 kg/m3.Type: GrantFiled: October 18, 2018Date of Patent: January 30, 2024Assignee: BASF SEInventors: Liying Wang, Irina Ternyayeva, Gregory Turco, Zachary Thomas Byrne
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Patent number: 11872590Abstract: Some variations provide a method of forming a transparent icephobic coating, comprising: obtaining a hardenable precursor comprising a first component and a plurality of inclusions containing a second component, wherein one of the first component or the second component is a low-surface-energy polymer, and the other is a hygroscopic material; applying mechanical shear and/or sonication to the hardenable precursor; disposing the hardenable precursor onto a substrate; and curing the hardenable precursor to form a transparent icephobic coating. The coating contains a hardened continuous matrix containing regions of the first component separated from regions of the second component on an average length scale of phase inhomogeneity from 10 nanometers to 10 microns, such as less than 1 micron, or less than 100 nanometers. The transparent icephobic coating may be characterized by a light transmittance of at least 50% at wavelengths from 400 nm to 800 nm, through a 100-micron coating.Type: GrantFiled: November 11, 2021Date of Patent: January 16, 2024Assignee: HRL Laboratories, LLCInventors: April R. Rodriguez, Andrew P. Nowak, Adam F. Gross
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Patent number: 11866618Abstract: A novel primerless adhesive composition with unique properties in automotive related applications, particularly in glass bonding applications; the process of making thereof.Type: GrantFiled: December 21, 2017Date of Patent: January 9, 2024Assignee: DUPONT SPECIALTY PRODUCTS USA, LLCInventors: Dietmar Golombowski, Andreas Lutz, Stefan Schmatloch
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Patent number: 11866648Abstract: A process for producing a polymerizable composition for optical materials of the present invention includes a step A of mixing together a polyisocyanate compound (i), a polymer (ii) represented by General Formula (ii), a photochromic compound (iii), and an internal release agent (iv), a step B of mixing a mixed solution obtained by the step A with a polythiol compound (v), and a step C of further mixing a mixed solution obtained by the step B with a polymerization catalyst (vi) so as to obtain a polymerizable composition for optical materials, wherein in the step A, the internal release agent (iv) is added so that a content thereof in the polymerizable composition for optical materials is 500 to 3,000 ppm, and in the step C, the polymerization catalyst (vi) is added so that a content thereof in the polymerizable composition for optical materials is 120 to 500 ppm. R1A1—R2—A2—R3]n??(ii).Type: GrantFiled: January 29, 2020Date of Patent: January 9, 2024Assignee: MITSUI CHEMICALS, INC.Inventors: Yuuki Kasori, Nobuo Kawato
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Patent number: 11859043Abstract: There is provided herein a silylated polyurethane composition, a process of preparing a silylated polyurethane polymer, and an adhesive, sealant or coating containing a silylated polyurethane made therewith.Type: GrantFiled: July 17, 2020Date of Patent: January 2, 2024Assignee: Momentive Performance Materials Inc.Inventor: Brendan O'Keefe
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Patent number: 11850579Abstract: This invention relates to catalysts for polyesterol synthesis and the use of a di-thio compound as catalyst for the production of polyester-polyols.Type: GrantFiled: July 3, 2018Date of Patent: December 26, 2023Assignee: BASF SEInventors: Martin Ruebenacker, Sirus Zarbakhsh
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Patent number: 11851522Abstract: A polymeric material includes a polyisobutylene-polyurethane block copolymer. The polyisobutylene-polyurethane block copolymer includes soft segments, hard segments, and end groups. The soft segments include a polyisobutylene diol residue. The hard segments include a diisocyanate residue. The end groups are bonded by urea bonds to a portion of the diisocyanate residue. The end groups include a residue of a mono-functional amine.Type: GrantFiled: September 23, 2022Date of Patent: December 26, 2023Assignee: CARDIAC PACEMAKERS, INC.Inventors: Joseph T. Delaney, Jr., Andrew J. Ro, David R. Wulfman, Niraj Gurung, Patrick Willoughby
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Patent number: 11851521Abstract: A polyurethane foam may include a base polyol component, a phosphorous polyol component, an expandable graphite, and melamine. The polyurethane foam may have a VO rating based on a UL94 flame retardancy test performed at a polyurethane foam thickness of 3.5 mm and a polyurethane foam density of 380 kg/m3.Type: GrantFiled: August 21, 2019Date of Patent: December 26, 2023Assignee: SAINT-GOBAIN PERFORMANCE PLASTICS CORPORATIONInventors: Jing Zhou, Yue Dong, Song Yu
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Patent number: 11845829Abstract: A two-component polyurethane composition comprising: a specific emulsion polymer, and a water-dispersible polyisocyanate; the emulsion polymer comprising, by weight based on the weight of the emulsion polymer, (a) greater than 15% to less than 30% of structural units of tert-butyl methacrylate, (b) greater than 10% of structural units of a hydroxy-functional alkyl (meth)acrylate, (c) structural units of a phosphorous-containing acid monomer and/or a salt thereof, (d) structural units of an additional acid monomer and/or a salt thereof, and (e) structural units of an additional monoethylenically unsaturated nonionic monomer; wherein the weight ratio of (d)/(c) is in the range of from 7.1:1 to 9.9:1; and a process of preparing the two-component polyurethane composition.Type: GrantFiled: August 15, 2019Date of Patent: December 19, 2023Assignees: DOW GLOBAL TECHNOLOGIES LLC, ROHM AND HAAS COMPANYInventors: Xiaohong Yang, Fengzhe Shi, Jinfei Wang, Juan Zhao, Li Zhou
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Patent number: 11845828Abstract: A polymerizable composition for an optical material of the present invention includes (A) a compound of which pKa value is 1 to 9, (B) a di- or higher functional iso(thio)cyanate compound, and (C) a di- or higher functional active hydrogen compound.Type: GrantFiled: October 31, 2017Date of Patent: December 19, 2023Assignee: MITSUI CHEMICALS, INC.Inventors: Shinsuke Ito, Masayuki Furuya, Kouji Suesugi, Takeshi Nishimura, Mamoru Tanaka
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Patent number: 11840598Abstract: There is provided a urethane resin that is excellent in adhesive strength, and maintains high adhesive strength even after exposure to high temperature and humidity. A urethane resin obtained by reacting a glycol-modified aromatic hydrocarbon-formaldehyde resin (A) modified with a glycol with a polyisocyanate (B) having two or more free isocyanate groups in a molecule.Type: GrantFiled: August 26, 2020Date of Patent: December 12, 2023Assignee: MITSUBISHI GAS CHEMICAL COMPANY, INC.Inventors: Tomohiro Hariu, Yosuke Ota
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Patent number: 11839913Abstract: The present disclosure includes binder systems for making foundry articles. The binder systems may comprise a humic substance-containing component that comprise lignite, an isocyanate component, and a catalyst component. The binder systems may be mixed with an aggregate (e.g., sand) for making foundry articles such as molds and cores. Also disclosed herein are methods of making foundry articles using the binder systems.Type: GrantFiled: December 7, 2018Date of Patent: December 12, 2023Assignee: IMERYS USA, INC.Inventor: Victor S. Lafay
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Patent number: 11834549Abstract: A method for producing a polymerizable composition, the method including: step (1) of preparing composition A having a water content of 200 ppm by mass or less, the composition A including a polyisocyanate component but not including a polymerization catalyst; step (2) of preparing composition B having a water content of 1,000 ppm by mass or less, the composition B including a polythiol component; and step (3) of mixing the composition A and the composition B and obtaining a polymerizable composition, and also a method for producing an optical component, the method including: a step of injecting the above-mentioned polymerizable composition into a molding die; and a step of polymerizing the polymerizable composition.Type: GrantFiled: March 29, 2019Date of Patent: December 5, 2023Assignee: HOYA LENS THAILAND LTD.Inventors: Yukio Kageyama, Masahide Yamada
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Patent number: 11827816Abstract: An adhesive composition comprising a polyurethane and a cationic polymeric dopant or a polymerizable cationic dopant may be used to form one or more adhesive layers of electro-optic assemblies. They enable improved electro-optic performance of the corresponding electro-optic devices even at low temperatures.Type: GrantFiled: August 26, 2020Date of Patent: November 28, 2023Assignee: E Ink CorporationInventors: Eugene Bzowej, Jonathan Kim Nguyen, David Darrell Miller