Patents Examined by Robert C Boyle
  • Patent number: 12384866
    Abstract: The present disclosure provides a composition. In an embodiment, the composition is an ethylene-based polymer composition formed by high pressure (greater or equal to 100 MPa) free radical polymerization. The ethylene-based polymer composition includes ethylene monomer and a mixture of hydroxyl-terminated polybutadiene molecules (PB-OH). Each PB-OH molecule includes internal alkene groups and terminal alkene groups. Each PB-OH molecule has more internal alkene groups than terminal alkene groups.
    Type: Grant
    Filed: November 11, 2020
    Date of Patent: August 12, 2025
    Assignee: Dow Global Technologies LLC
    Inventors: Arkady L. Krasovskiy, Ivan A. Konstantinov, Sarat Munjal, Sean W. Ewart
  • Patent number: 12378434
    Abstract: This invention relates to a curable coating composition comprising: I. at least one acetoacetate functional polyester further comprising the residues of a. a hydroxyl component comprising: i. a diol in an amount ranging from 70 to 100 mole %, based on the total moles of (i) and (ii); and ii. a polyol in an amount ranging from 0 to 30 mole %, based on the total moles of (i) and (ii); b. a carboxyl component comprising a polycarboxylic acid compound, a derivative of polycarboxylic acid compound, or a combination thereof; and c. an alkyl acetoacetate, a diketene, or a combination thereof in an amount ranging from about 5 to about 50 weight %, based on the total weight of (a), (b), and (c). II. a curing agent having two or more aldehyde functional groups, and III. a basic catalyst.
    Type: Grant
    Filed: December 6, 2019
    Date of Patent: August 5, 2025
    Assignee: Eastman Chemical Company
    Inventors: Thauming Kuo, Nick Allen Collins
  • Patent number: 12371591
    Abstract: The present invention has an object of obtaining an electrically peelable adhesive product that is strong in adhesibility when used, is excellent in peelability even though a low voltage is applied, and does not leave much adhesive deposit after being peeled. The present invention achieves the above object by virtue of an electrically peelable adhesive composition contained in the adhesive product, the adhesive composition comprising an acrylic polymer, an ionic liquid having an ionic conductivity of 10?4 S/cm or more to 10?2 S/cm or less, and an alkyl ether of a polyethylene glycol, and containing 5 parts by weight or more to 30 parts by weight or less of the ionic liquid and of the alkyl ether of the polyethylene glycol with respect to 100 parts by weight of the acrylic polymer.
    Type: Grant
    Filed: February 12, 2021
    Date of Patent: July 29, 2025
    Assignee: VIGTEQNOS CO., LTD.
    Inventors: Takahiro Aoki, Takashi Tomoda
  • Patent number: 12371515
    Abstract: A multistage emulsion polymer comprising a first polymer and a second polymer comprising structural units of a nitrogen-containing heterocyclic monomer at specific weight ratios of the first polymer to the second polymer and a Tg difference between the first and second polymers; the multistage emulsion polymer suitable for use in coating applications to provide coating films with improved dirt pick-up resistance without compromising film formation properties.
    Type: Grant
    Filed: December 25, 2019
    Date of Patent: July 29, 2025
    Assignees: DOW GLOBAL TECHNOLOGIES LLC, ROHM AND HAAS COMPANY
    Inventors: Han Liu, Yuehan Hu, Zhi Juan Gong, Ling Li, Xiangting Dong, Hengtong Wei
  • Patent number: 12365757
    Abstract: The present invention relates to a polyol component comprising a1) a polyol having a weight averaged molecular weight Mw of from 1,000 to 4,000 Dalton, a number averaged molecular weight Mn of from 600 to 2,500 Dalton, an OH value between 80 and 300 mg KOH/g of resin and a glass transition temperature Tg of from ?10 to 90° C., and a2) between 0.1 and 10% by weight of polyurea product as rheological agent, as well as it use in a crosslinkable composition especially suitable for clear coat applications.
    Type: Grant
    Filed: November 5, 2019
    Date of Patent: July 22, 2025
    Assignee: ALLNEX NETHERLANDS BV
    Inventors: Elwin De Wolf, Marinus Goedegebuure
  • Patent number: 12359040
    Abstract: A vulcanizing agent is added during the processing of a polymer, and can form a crosslinking structure network in the polymer, thereby improving the mechanical properties of the material. Furthermore, the crosslinking agent can also de-crosslink the polymer material at a high temperature, and after being cooled, same can be crosslinked again to produce a network structure, thus endowing the polymer material with thermoplasticity for repeated processing.
    Type: Grant
    Filed: January 21, 2020
    Date of Patent: July 15, 2025
    Assignee: DALIAN UNIVERSITY OF TECHNOLOGY
    Inventors: Hui Niu, Shiqi Xie, Shuhui Liu, Zongke He, Zhuo Bao, Liying Liu, Zhe Hua, Aihui Wang, Wenjing Yin, Jing Wang, Xu Li, Shuang Sun
  • Patent number: 12359055
    Abstract: A resin composition or the like may exhibit high vibration damping properties even at a relatively high temperature, have good moldability, and have excellent impact resistance. The resin composition contains a thermoplastic resin (A), a thermoplastic resin (B), and a polar resin (C), wherein the resin composition satisfies (1) to (3): (1) the thermoplastic resin (B) has at least one of a reactive functional group and a monomer unit containing a hetero atom; (2) the thermoplastic resin (A) and the thermoplastic resin (B) are different types of resins; (3) with respect to the total mass of the resin composition, the content of the thermoplastic resin (A) is 1 to 30% by mass, the content of the thermoplastic resin (B) is 1 to 30% by mass, and the content of the polar resin (C) is 40 to 98% by mass.
    Type: Grant
    Filed: May 22, 2020
    Date of Patent: July 15, 2025
    Assignee: KURARAY CO., LTD.
    Inventors: Yasushi Senda, Masahiro Kato
  • Patent number: 12359066
    Abstract: A colored asphalt-based sealcoat composition comprising asphalt emulsion, water, extender, polymer, clay, colorant, and titanium oxide particles is provided. In some embodiments, a highly solar reflective, colored asphalt-based sealcoat composition comprising titanium oxide particles is provided. In some embodiments, a colored asphalt-based sealcoat composition comprising titanium oxide particles capable of reducing surface temperatures of asphalt treated with the composition is provided. In some embodiments, a colored asphalt-based sealcoat composition comprising titanium oxide particles capable of reducing atmospheric pollutants is provided. In some embodiments, methods for preparing colored asphalt-based sealcoat compositions as well as their application to asphalt surfaces is provided.
    Type: Grant
    Filed: March 29, 2022
    Date of Patent: July 15, 2025
    Assignee: CoolSeal LLC
    Inventor: Michael Hamilton March
  • Patent number: 12351700
    Abstract: The present disclosure relates to a plasticizer composition characterized in including two or more isophthalates of the same carbon number type, in which alkyl groups bonded to two ester groups have the same carbon number; one or more isophthalates of a different carbon number type, in which alkyl groups bonded to two ester groups have different carbon numbers; wherein the different carbon number type includes both a higher alkyl and a lower alkyl, the carbon number of the higher alkyl is 8 to 10, and the carbon number of the lower alkyl is selected from 5 to 7, thereby, when applied to a resin, showing improved viscosity stability, migration resistance and stress resistance, while maintaining and improving plasticization efficiency and mechanical properties to the same or better level.
    Type: Grant
    Filed: April 28, 2020
    Date of Patent: July 8, 2025
    Assignee: LG Chem, Ltd.
    Inventors: Hyun Kyu Kim, Yun Ki Cho, Jeong Ju Moon, Joo Ho Kim, Seok Ho Jeong, Woo Hyuk Choi
  • Patent number: 12351665
    Abstract: Disclosed is a graft copolymer, and a graft copolymer including a rubbery polymer, wherein the rubbery polymer includes a conjugated diene-based monomer unit, and one or more compound units selected from the group consisting of compounds represented by Formula 1, wherein the graft copolymer includes an alkyl (meth)acrylate-based monomer unit and an aromatic vinyl-based monomer unit, the content of the one or more compound units selected from the group consisting of the compounds represented by Formula 1 is from 0.1 wt % to 5.0 wt % with respect to the graft copolymer, the alkyl (meth)acrylate-based monomer unit is crosslinked from a crosslinking agent, and a weight average molecular weight of the aromatic vinyl-based monomer unit is from 20,000 g/mol to 100,000 g/mol. Also disclosed is a method for preparing a graft copolymer and a resin composition including same.
    Type: Grant
    Filed: March 29, 2021
    Date of Patent: July 8, 2025
    Assignee: LG CHEM, LTD.
    Inventors: Kwang Jin Lee, Ki Hyun Yoo, Yoon Ho Kim, Sang Il Nam, Kyung Bok Sun
  • Patent number: 12344705
    Abstract: The invention provides a copolymerized polyester resin which contains terephthalic acid as a main component of a dicarboxylic acid component; and contains ethylene glycol as a main component of a diol component, wherein a content of neopentyl glycol is more than 15% by mole and not more than 40% by mole and a content of diethylene glycol is from 6 to 20% by mole when a total amount of the whole diol component is taken as 100% by mole, wherein a content of a cyclic dimer consisting of terephthalic acid, neopentyl glycol and diethylene glycol is 5000 ppm or less, and wherein a content of a cyclic trimer consisting of terephthalic acid and ethylene glycol is 5000 ppm or less.
    Type: Grant
    Filed: October 28, 2019
    Date of Patent: July 1, 2025
    Assignee: TOYOBO CO., LTD.
    Inventors: Satoru Nakagawa, Hideto Ohashi, Nobuyuki Hironaka, Hironao Sasaki, Kosuke Uotani, Keiichiro Togawa
  • Patent number: 12344733
    Abstract: A thermoplastic elastomer composition: 41 to 70 parts by mass of component (A), 0 to 54 parts by mass of component (B), and 5 to 59 parts by mass of component (C) ((A), (B), and (C) being 100 parts by mass), with dynamic heat treatment with a cross-linking agent. Component (A): a propylene block copolymer having a melt flow rate measured in accordance with ISO 1133. Component (B): an ethylene/?-olefin/non-conjugated polyene copolymer including a structural unit derived from ethylene, a structural unit derived from an ?-olefin having 3 to 20 carbon atoms, and a structural unit derived from a non-conjugated polyene. Component (C): an ethylene/?-olefin copolymer including a structural unit derived from ethylene and a structural unit derived from an ?-olefin having 4 to 20 carbon atoms and having a melt flow rate measured in accordance with ISO 1133.
    Type: Grant
    Filed: June 17, 2020
    Date of Patent: July 1, 2025
    Assignee: Mitsui Chemicals, Inc.
    Inventors: Ryo Ishikawa, Ryosuke Aburaki, Remi Kusumoto
  • Patent number: 12344717
    Abstract: A polymer composition that operates as a polymer compatibilizer is provided. The polymer composition includes a plurality of polymer backbones cross-linked by cross-links that are Diels-Alder reaction products of at least one dienophile-containing moiety and at least one diene-containing moiety.
    Type: Grant
    Filed: July 5, 2022
    Date of Patent: July 1, 2025
    Assignee: The Regents of the University of California
    Inventors: Chase Tretbar, Zhibin Guan
  • Patent number: 12331148
    Abstract: Provided are a block copolymer having a narrow molecular weight distribution such that the copolymer can be used in a DSA technique, a block copolymer intermediate thereof, and methods for producing the same. A block copolymer intermediate represented by the general formula (1) or (2) is used: wherein, in the general formulae (1) and (2), each of R1 and R3 independently represents a polymerization initiator residue, each of R2 and R4 independently represents an aromatic group or an alkyl group, Y1 represents a polymer block of (a)an (meth)acrylic acid ester, Y2 represents a polymer block of styrene or a derivative thereof, L represents an alkylene group having 1 to 6 carbon atoms, X represents a halogen atom, and each of m and n independently represents an integer of 1 to 5.
    Type: Grant
    Filed: June 4, 2020
    Date of Patent: June 17, 2025
    Assignee: DIC Corporation
    Inventors: Youki Kou, Hisakazu Tanaka
  • Patent number: 12331182
    Abstract: There is provided a resin composition including (a) an acrylic polymer having a tensile modulus of 200 MPa or less, (b) a resin that is solid at 25° C., (c) a resin that is liquid at 25° C. and crosslinkable with at least one of the component (a) or the component (b), and (d) a polymerization initiator. The content of the component (a) is 35 parts by weight or more and 93 parts by weight or less, the content of the component (b) is 3 parts by weight or more and 60 parts by weight or less, and the content of the component (c) is 1 part by weight or more and 25 parts by weight or less, based on 100 parts by weight of the total amount of the component (a), the component (b), and the component (c).
    Type: Grant
    Filed: March 5, 2020
    Date of Patent: June 17, 2025
    Assignee: MITSUI MINING & SMELTING CO., LTD.
    Inventors: Kazuhiro Oosawa, Haruka Makino, Kuniharu Ogawa
  • Patent number: 12317942
    Abstract: A polymeric glove is disclosed, which includes one or more polymer layers covering a user's fingers and palm, wherein at least one of the polymer layers comprises a polyurethane elastomer. A method to produce the polymeric glove is also disclosed.
    Type: Grant
    Filed: November 1, 2024
    Date of Patent: June 3, 2025
    Assignee: Ansell Limited
    Inventors: Geraldo Alexandre Pimentel De Oliveira, Norazilayati Binti Rastam, Ahmad Helmi Bin Ujar, Wan Ashruzi Bin Wan Ahmad, Kamal Rusdi Bin Hashim, Muhammad Shahrul Bin Jasmi
  • Patent number: 12319754
    Abstract: The invention relates to an energy efficient, fast and environmentally favourable process for the preparation of chlorinated butyl rubbers, that uses hypochloric acid (HOCl) and/or dichlorine monoxide (Cl2O) as halogenating agent. The chlorinated butyl rubbers prepared according to the aforementioned process exhibit an advantageous microstructure and a desirable content and ratio of chlorinated and non-chlorinated oligomers and are therefore also encompassed by the invention. The teachings herein also relate to chlorinated copolymers and polymer products that include a chlorinated copolymer.
    Type: Grant
    Filed: January 12, 2024
    Date of Patent: June 3, 2025
    Assignee: ARLANXEO SINGAPORE PTE. LTD.
    Inventors: Gregory J. E. Davidson, Kuruppu Jayatissa
  • Patent number: 12312439
    Abstract: The present invention relates to a polybutylene terephthalate resin composition comprising 70 to 97 parts by mass of a polybutylene terephthalate resin (A) having an intrinsic viscosity (IV) of 0.60 to 0.95 dl/g. 2 to 15 parts by mass of a modified olefin resin (B), and 1 to 15 parts by mass of a polyester elastomer (C), based on 100 parts by mass of components (A), (B) and (C) in total, and preferably further comprising 0.05 to 1.5 parts by mass of a carbodiimide compound (D). The polybutylene terephthalate resin composition has excellent impact properties and high fluidity.
    Type: Grant
    Filed: February 5, 2020
    Date of Patent: May 27, 2025
    Assignee: TOYOBO CO., LTD.
    Inventors: Motonobu Kamiya, Yasuto Fujii, Takuya Shimoharai
  • Patent number: 12312426
    Abstract: The composition includes a curable fluoropolymer having nitrogen-containing cure sites and a curative including an organo onium cation and an anion represented by Formula (I) or Formula (II). The composition is free of metal cations or has not more than 20 parts per million metal cations and free of silicon dioxide or has less than 0.5 percent by weight silicon dioxide, based on the total weight of the composition. In some cases, the composition consists of the curable fluoropolymer and the curative. Shaped articles including the composition, a fluoroelastomer prepared by curing the composition, a method of making a fluoroelastomer article, and a process for making the composition are also described.
    Type: Grant
    Filed: December 17, 2019
    Date of Patent: May 27, 2025
    Assignee: 3M Innovative Properties Company
    Inventors: Tatsuo Fukushi, Tamon Aoki, Qilin Chan, Miguel A. Guerra, Klaus Hintzer, Florian D. Jochum, Michael H. Mitchell, Allen M. Sohlo, Yuta Suzuki
  • Patent number: 12312452
    Abstract: An aspect of the present application relates to a resin composition, which contains a polymer having a structural unit represented by Formula (1) in a molecule and a free radical compound and in which the free radical compound has at least one free radical group selected from the group consisting of structures represented by Formulas (2), (3), (4) and (5) in the molecule.
    Type: Grant
    Filed: September 18, 2020
    Date of Patent: May 27, 2025
    Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    Inventors: Atsushi Wada, Masashi Koda, Ryusei Kozawa, Yuki Kitai