Patents Examined by Rabon A. Sergent
  • Patent number: 12281191
    Abstract: The devolatilization of plastomer pellets is undertaken using nitrogen that is recycled in the process. Volatile hydrocarbons are removed from the nitrogen in a hydrocarbon extraction vessel (e.g. an adsorbent bed). In an embodiment, the recycled nitrogen contains less than 300 ppm of volatile hydrocarbons after being treated in the adsorbent bed.
    Type: Grant
    Filed: February 27, 2020
    Date of Patent: April 22, 2025
    Assignee: NOVA Chemicals (International) S.A.
    Inventors: Abolfazl Noorjahan, Stephen Brown, Lawrence Van Asseldonk, Robert Van Asseldonk, Jeffrey Cahill, Carlos Duque, William Oberg
  • Patent number: 12281192
    Abstract: A polyurethane chain extender includes an amine compound (X) represented by Formula (1) with a trans-isomer proportion in (X) of 50 mol % or more; a composition for forming a polyurethane-based resin including the polyurethane chain extender; a polyurethane-based resin formed by the composition for forming the polyurethane-based resin; a polyurethane-based resin obtained by reacting a polyisocyanate compound (A), a polyol compound (B) and the polyurethane chain extender; a polyurethane-based resin composition including the polyurethane-based resin; a molded body obtained by molding the polyurethane-based resin composition; and an article including the polyurethane-based resin composition or the molded body: where R1 to R12 each independently represent a hydrogen atom or a hydrocarbon group having 1 or more and 4 or less of carbon atoms, p and q each independently represent an integer of 0 or more and 4 or less, and at least one of p and q is 1 or more.
    Type: Grant
    Filed: November 4, 2022
    Date of Patent: April 22, 2025
    Assignee: MITSUBISHI GAS CHEMICAL COMPANY, INC.
    Inventors: Yuma Ohno, Yuka Akai, Takuma Hanaoka, Kousuke Ikeuchi, Kazuki Kouno
  • Patent number: 12275839
    Abstract: A reinforcing resin composition includes an epoxy resin (A), a phenolic resin (B), and a benzoxazine compound (C).
    Type: Grant
    Filed: November 28, 2019
    Date of Patent: April 15, 2025
    Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    Inventors: Shigeru Yamatsu, Yasuhiro Suzuki, Hirohisa Hino
  • Patent number: 12275883
    Abstract: The present disclosure generally relates to a multifunctional additive obtained from the reaction of: (a) an intermediate obtained from the reaction of maleic anhydride and a polyoxyalkylene monoamine; and (b) an amine compound comprising a primary amine group and/or a secondary amine group and its use in a variety of applications, including, but not limited to: as a corrosion inhibitor or friction modifier in aqueous and non-aqueous systems; in fuel deposit control agents; as a dispersant in pigment, asphalt and cement compositions; and as a detergent.
    Type: Grant
    Filed: February 11, 2020
    Date of Patent: April 15, 2025
    Inventor: Haibo Zhao
  • Patent number: 12275874
    Abstract: An inventive thermoset viscoelastomeric polymer and adhesive products thereof is provided. In some embodiments, an inventive adhesive product consists essentially of the thermoset viscoelastomeric polymer. In other embodiments, the thermoset viscoelastomeric polymer can be applied to a support member to provide an inventive adhesive product. In still other embodiments, the thermoset viscoelastomeric polymer can be applied to a conventional article to convert the article into an inventive adhesive product. The thermoset viscoelastomeric polymer and products thereof can comprise viscoelastic, adhesive, cohesive and releasability properties. In some embodiments, the thermoset viscoelastomeric polymer and products thereof can comprise cleansability and reusability properties. In further embodiments, the thermoset viscoelastomeric polymer and products thereof can comprise antimicrobial properties.
    Type: Grant
    Filed: August 28, 2021
    Date of Patent: April 15, 2025
    Inventors: Matthew Wayne Kriesel, Troy Bradley Goodenough
  • Patent number: 12269915
    Abstract: A particulate polyurea compound a2) for reducing gloss of coatings, a resin composition and a crosslinkable composition comprising the particulate polyurea compound is provided, wherein the volume percentage of particles of the particulate polyurea compound having a diameter of smaller than 10 ?m is equal or less than 40%, and the volume percentage of the polyurea product having a diameter larger than 20 ?m is equal or more than 11%.
    Type: Grant
    Filed: December 17, 2020
    Date of Patent: April 8, 2025
    Assignee: ALLNEX NETHERLANDS BV
    Inventors: Elwin De Wolf, Bart Noordover, Francesca Fallani, Sharon Maas, Ronald Koeken
  • Patent number: 12269916
    Abstract: Process for producing PU foams by reacting at least one polyol component with at least one isocyanate component in the presence of one or more catalysts that catalyse the isocyanate-polyol and/or isocyanate-water and/or isocyanate trimerization reactions, and optionally one or more chemical or physical blowing agents, with use of SiOC-linked, linear polydialkylsiloxane-polyoxyalkylene block copolymers having repeat (AB) units, obtainable through the reaction of polyether diols with equilibrated ?,?-diacetoxypolydialkylsiloxanes, wherein a sufficient amount of the SiOC-linked, linear polydialkylsiloxane-polyoxyalkylene block copolymers having repeat (AB) units is added such that the proportion by mass of said component based on the finished PU foam is from 0.0001% to 10% by weight, preferably 0.01% to 6% by weight, especially 0.05% to 5% by weight.
    Type: Grant
    Filed: January 6, 2021
    Date of Patent: April 8, 2025
    Assignee: Evonik Operations GmbH
    Inventors: Isabelle Denise Wessely, Annegret Terheiden, Rüdiger Landers, Roland Hubel, Wilfried Knott, Dagmar Windbiel, Horst Dudzik
  • Patent number: 12258455
    Abstract: A method of forming a pre-cure solution for a structured organic film (SOF) is described, including contacting at least one type of segment and at least one type of pre-linker with a bio-based solvent. The method also includes dissolving the at least one type of segment and the at least one type of pre-linker within the bio-based solvent. The method also includes where the bio-based solvent has a viscosity above 0.92 MPa-s. A composition including a bio-based solvent is also disclosed.
    Type: Grant
    Filed: January 12, 2023
    Date of Patent: March 25, 2025
    Assignee: XEROX CORPORATION
    Inventors: Valerie M. Farrugia, Robert Claridge
  • Patent number: 12247008
    Abstract: The present invention relates to a multi-aziridine compound having: ?a) from 2 to 6 of the following structural units (A): whereby R1 is H, R2 and R4 are independently chosen from H or an aliphatic hydrocarbon group containing from 1-4 carbon atoms, R3 is an aliphatic hydrocarbon group containing from 1-4 carbon atoms, R??H or an aliphatic hydrocarbon group containing from 1 to 4 carbon atoms; R? and R?? are independently chosen from an aliphatic hydrocarbon group containing from 1 to 4 carbon atoms, a cycloaliphatic hydrocarbon group containing from 4 to 12 carbon atoms or an aromatic hydrocarbon group containing from 6 to 12 carbon atoms, b) one or more linking chains wherein each one of these linking chains links two of the structural units A; and c) a molecular weight in the range from 600 Daltons to 5000 Daltons.
    Type: Grant
    Filed: January 21, 2021
    Date of Patent: March 11, 2025
    Assignee: Covestro (Netherlands) B.V.
    Inventors: Patrick Johannes Maria Stals, Daan Van Der Zwaag, Alfred Jean Paul Bückmann, Gerardus Cornelis Overbeek, Jan Van Riel
  • Patent number: 12240942
    Abstract: A cationic curing agent includes porous particles and a compound represented by General Formula (1), where the compound is held in the porous particles. In the General Formula (1), R1 is an alkyl group having 1 to 18 carbon atoms or a phenyl group, where the alkyl group may be branched and the alkyl group and the phenyl group may each further have a substituent. R2 is a hydrogen atom, an alkyl group having 1 to 4 carbon atoms where the alkyl group may be branched, a halogenalkyl group, an alkoxy group, or a phenoxy group; where the alkyl group, the halogenalkyl group, the alkoxy group, or the phenoxy group may further have a substituent. R1 and R2 may be identical to or different from each other.
    Type: Grant
    Filed: August 18, 2020
    Date of Patent: March 4, 2025
    Assignee: DEXERIALS CORPORATION
    Inventors: Takeshi Nishio, Kazunobu Kamiya
  • Patent number: 12234322
    Abstract: A polyoxyalkylene polymer including a main chain structure of a polyoxyalkylene and terminal structures bonded to ends of the main chain structure is provided. The terminal structures include a hydrolyzable silyl group and further include a terminal olefin group and/or an internal olefin group. The total number of the hydrolyzable silyl, terminal olefin, and internal olefin groups is more than 1.0 on average per terminal structure, and the ratio of the number of moles of the hydrolyzable silyl groups to the total number of moles of the hydrolyzable silyl, terminal olefin, and internal olefin groups is from 0.3 to 0.7.
    Type: Grant
    Filed: May 27, 2021
    Date of Patent: February 25, 2025
    Assignee: KANEKA CORPORATION
    Inventors: Akinori Sato, Takahiro Saito, Kohei Yamashita
  • Patent number: 12227611
    Abstract: Provided is a composition capable of forming a cured product having excellent adhesion to a substrate, hardness, scratch resistance, and chemical resistance. The composition of the present disclosure includes a polyol compound (A) and an isocyanate compound (B), the polyol compound (A) containing a compound (a1) having a number average molecular weight calibrated with polystyrene standards of less than 800 and being represented by Formula (1), where R1 to R3 are a group represented by Formula (1a); and the isocyanate compound (B) containing a compound (b) represented by Formula (2), where L1 to L3 are a hydrogen atom, an NCO group, or an alkyl group having from 1 to 10 carbon atom(s) and having a group represented by Formula (2?).
    Type: Grant
    Filed: September 11, 2020
    Date of Patent: February 18, 2025
    Assignee: DAICEL CORPORATION
    Inventors: Takashi Konno, Naritoshi Maetsu, Jun Watanabe, Shintarou Hatanaka
  • Patent number: 12221514
    Abstract: A process for purifying a polyether polyol including treating the polyether polyol with a mixture of: (i) a sulfonic acid catalyst, wherein the catalyst includes a substituted or unsubstituted alkyl group of at least 6 carbon atoms, and (ii) water to reduce residual levels of acetal linkages present in the polyether polyol; a purified polyether polyol prepared using the above treatment process; and a polyurethane product prepared by reacting the above purified polyether polyol and an isocyanate.
    Type: Grant
    Filed: July 29, 2020
    Date of Patent: February 11, 2025
    Assignee: Dow Global Technologies LLC
    Inventors: Marinus A. Bigi, Arjun Raghuraman
  • Patent number: 12215184
    Abstract: The present invention relates to a novel polyol or polythiol having three or more functional groups, a preparation method there for, and an optical body manufactured therefrom. Especially, the present invention relates to a poly(thio)urethane-based resin and an optical body, such as lenses, manufactured using the resin, wherein the poly(thio)urethane-based resin is prepared by obtaining a novel polyol and then combining a polythiol, which is prepared from the obtained polyol, with a polyiso(thio)cyanate.
    Type: Grant
    Filed: October 5, 2023
    Date of Patent: February 4, 2025
    Inventor: Keun Sik Kim
  • Patent number: 12215187
    Abstract: A method of continuously producing a polyol includes: (i) feeding a solid catalyst into a continuous stirred tank reactor (CSTR); (ii) contacting a reaction mixture comprising one or more epoxides and carbon dioxide with the solid catalyst and a chain transfer agent comprising a plurality of sites capable of initiating copolymerization of epoxides and carbon dioxide in the CSTR; (iii) allowing polymerization reaction to proceed until a desired molecular weight polyol has formed; and (iv) terminating the polymerization reaction.
    Type: Grant
    Filed: January 11, 2022
    Date of Patent: February 4, 2025
    Assignee: SAUDI ARABIAN OIL COMPANY
    Inventors: Mohammad S. Alroaithi, Hussain M. Yami, Ola Ali, Wei Xu
  • Patent number: 12215250
    Abstract: An adhesive composition having high room-temperature peel strength, high hot peel strength, and excellent adhesion, as well as excellent electrolyte resistance even when used for packaging materials for lithium ion batteries is provided, which contains an organic solvent, a polyolefin (A) that has an acidic group and/or an acid anhydride group and is soluble in the organic solvent, and an isocyanate compound, wherein the isocyanate compound comprises (B) a diisocyanate compound having a C4-7 hydrocarbon group and/or a derivative thereof, and (C) a diisocyanate compound having a C8-14 hydrocarbon group and/or a derivative thereof; and a heat-fusible member using the adhesive composition is also provided.
    Type: Grant
    Filed: June 18, 2018
    Date of Patent: February 4, 2025
    Assignee: TOAGOSEI CO., LTD.
    Inventors: Takahiro Ito, Makoto Imahori, Makoto Hirakawa
  • Patent number: 12215191
    Abstract: A polyalkylene ether glycol composition containing a nitrogen-containing compound. The nitrogen-containing compound constitutes 0.2 to 40 mass ppm of the polyalkylene ether glycol in terms of nitrogen atoms, and the nitrogen-containing compound has a boiling point in a range of ?40° C. to 120° C. at atmospheric pressure. An elastic stretchable fiber, a polyurethane, a synthetic leather, or a thermoplastic elastomer containing the polyalkylene ether glycol composition.
    Type: Grant
    Filed: November 2, 2021
    Date of Patent: February 4, 2025
    Assignee: Mitsubishi Chemical Corporation
    Inventors: Ryo Yamashita, Yusuke Izawa, Masaru Utsunomiya
  • Patent number: 12214041
    Abstract: In an embodiment, a polyurethane comprises the residues of i. an aliphatic diisocyanate, ii. an aliphatic diol comprising a poly(ethylene oxide) moiety, iii. an aliphatic diol comprising a polycarbonate moiety, and iv. a chain extender, wherein the polyurethane has a melting temperature of 140° C. or less and has a weight average molecular weight of from 100,000 to 500,000 g/mol. In an embodiment, the polyurethane is substantially devoid of catalyst. In an embodiment, the polyurethane is formed by reactive extrusion. In an embodiment, a medical device comprises the polyurethane and a bioactive agent. The medical devices, methods, and polyurethanes may exhibit benefits in end-product biostability, drug release profile, health and safety, and processing speed or reproducibility.
    Type: Grant
    Filed: September 16, 2019
    Date of Patent: February 4, 2025
    Assignee: DSM IP ASSETS B.V.
    Inventors: Jennifer Al-Rashid, Jacob Riffey, John Andrew Zupancich
  • Patent number: 12209158
    Abstract: The present invention relates to a process for the preparation of a polyurethane comprising: E1) a stage of preparation of a polyurethane having NCO endings comprising the polyaddition reaction between: i) at least one polyisocyanate; ii) at least one polyol; and iii) at least one amine having the following formula (I) or (II): and E2) the reaction of the product formed on conclusion of stage E1) with at least one (meth)acrylate or allyl monomer M comprising at least one hydroxyl functional group.
    Type: Grant
    Filed: December 18, 2019
    Date of Patent: January 28, 2025
    Assignee: BOSTIK SA
    Inventor: Guillaume Michaud
  • Patent number: 12202949
    Abstract: A method for treating a polymer part comprising a step of bringing the part into contact with vapours of solvent(s), capable of at least partially solubilising the part, this contacting step being carried out under vacuum. Application of this method for modifying the roughness of the part and/or functionalising it.
    Type: Grant
    Filed: May 22, 2020
    Date of Patent: January 21, 2025
    Assignee: COMMISSARIAT À L'ÉNERGIE ATOMIQUE ET AUX ÉNERGIES ALTERNATIVES
    Inventors: Jérôme Delmas, Philippe Capron, Marlène Chapuis, Xavier Gasso Puchal, Olivier Poncelet, Isabelle Rougeaux