Patents Examined by Terressa Boykin
  • Method for preparing polyester polyol
    Patent number: 12091501
    Abstract: The present application discloses a method for preparing polyester polyol comprising performing transesterification of raw materials containing inorganic oxyacid ester and polyhydric alcohol to obtain the polyester polyol. The polyester polyol obtained by the method described in the present application has higher heat resistance.
    Type: Grant
    Filed: November 15, 2018
    Date of Patent: September 17, 2024
    Assignee: DALIAN INSTITUTE OF CHEMICAL PHYSICS, CHINESE ACADEMY OF SCIENCES
    Inventors: Danhua Yuan, Jiacheng Xing, Yunpeng Xu, Zhongmin Liu
  • Polyester
    Patent number: 12091499
    Abstract: A polyester is provided. The polyester comprises: at least one repeating unit represented by formula (i), wherein R1 is a C6-C16 aromatic hydrocarbyl; and repeating units derived from diols, wherein the repeating units derived from diols comprise at least one repeating unit represented by the following formula (ii) and at least one repeating unit represented by the following formula (iii), and wherein R2 to R5 in formula (ii) are independently hydrogen, methyl, or ethyl, wherein based on the total moles of the repeating units derived from diols, the amount of the repeating unit represented by the formula (ii) is 5 mol % to 50 mol %.
    Type: Grant
    Filed: April 19, 2023
    Date of Patent: September 17, 2024
    Assignee: CHANG CHUN PLASTICS CO., LTD.
    Inventor: Ching-Jui Huang
  • Polyarylene ether
    Patent number: 12091503
    Abstract: A polyarylene ether comprising in polymerized form A) at least one tri- or higher functional compound and B) isosorbide. isomannide, isoidide or a mixture thereof, wherein the polyarylene ether is a polyarylene ether sulfone or a polyarylene ether ketone, ¢ process for its preparation and its use in the preparation of a coating, film, fiber, foam, membrane or molded article.
    Type: Grant
    Filed: September 6, 2019
    Date of Patent: September 17, 2024
    Assignee: BASF SE
    Inventors: Martin Weber, Feelly Ruether, Rene Backes, Christian Maletzko
  • Optical member with reduced low-molecular-weight siloxane content, and method for producing same
    Patent number: 12092792
    Abstract: The present invention provides: a highly transparent optical member which is formed from a silicone resin or a silicone rubber, and which has less mass change and excellent heat resistance without causing contact faults, or deterioration or contamination of the surface of other members due to adhesion to an electronic circuit or the surfaces of other members; and a production method for producing said optical member. According to the production method, the content of low-molecular-weight siloxanes D3-D20 in a optical member is reduced to an infinitesimal amount with use of a plurality of different low-molecular-weight siloxane removal steps.
    Type: Grant
    Filed: December 27, 2019
    Date of Patent: September 17, 2024
    Assignee: ASAHI RUBBER INC.
    Inventors: Takayuki Motoyanagi, Satoshi Endo, Hiroki Hirakuri, Nobuyuki Tomizawa, Masashi Nemoto, Takeru Kawaguchi
  • Biomolecule-polymer-pharmaceutical agent conjugates for delivering the pharmaceutical agent
    Patent number: 12084415
    Abstract: The present disclosure provides enynes, end-functionalized polymers, conjugates, methods of preparation, compositions, kits, and methods of use. The conjugates comprise at least (1) a peptide (e.g., an antibody), protein, nucleoprotein, mucoprotein, lipoprotein, glycoprotein, or polynucleotide; and (2) a polymer comprising a pharmaceutical agent. The conjugates may be useful in delivering (e.g., targeted delivering) the pharmaceutical agent to a subject in need thereof or cell or treating, preventing, or diagnosing a disease.
    Type: Grant
    Filed: October 20, 2022
    Date of Patent: September 10, 2024
    Assignee: Massachusetts Institute of Technology
    Inventors: Jeremiah A. Johnson, Hung Vanthanh Nguyen, Peyton Shieh, Wencong Wang, Bin Liu, Valerie Lensch, Landon Kilgallon, Yutong Dai, Samantha Lynn Kristufek
  • Polycarbonate compositions with improved oxidation stability and methods of manufacturing the same
    Patent number: 12084542
    Abstract: A method of preparing a polycarbonate composition in a polymerization system that includes a monomer mixing unit, an oligomerization section, and a polymerization section. The method includes melt polymerizing a dihydroxy compound with a diaryl carbonate compound in the presence of a quaternary phosphonium catalyst to produce the polycarbonate composition having a phosphorus-containing byproduct of at least one of the quaternary phosphonium catalyst or of the diaryl carbonate compound. The method further includes recycling the phosphorus-containing byproduct into the monomer mixing unit of the polymerization system and removing the polycarbonate composition from the polymerization system. The recycle stream has a phosphorus concentration of greater than or equal to 40 parts per million by weight.
    Type: Grant
    Filed: December 5, 2019
    Date of Patent: September 10, 2024
    Assignee: SABIC GLOBAL TECHNOLOGIES B.V.
    Inventors: Aaron David Bojarski, Ignacio Vic Fernandez
  • Method for purifying bis-2-hydroxylethyl terephthalate and polyester resin comprising same
    Patent number: 12077634
    Abstract: The present disclosure relates to a method for purifying bis-2-hydroxyethyl terephthalate with high purity and a polyester resin containing the same.
    Type: Grant
    Filed: September 14, 2021
    Date of Patent: September 3, 2024
    Assignee: SK Chemicals Co., Ltd.
    Inventors: Da-Young Hwang, Kwang-Woo Park, Yoo Jin Lee, Jong-In Lee
  • Method for the manufacture of polycarbonate
    Patent number: 12077635
    Abstract: A method for the continuous multi-stage manufacture of an end-capped polycarbonate includes, i) preparing a monomer mixture in a monomer mixing stage by mixing a bisphenol, a diaryl carbonate and optionally a transesterification catalyst in at least one monomer mixing device, ii) preparing a carbonate oligomer in an oligomerisation stage by reacting the monomer mixture in at least one oligomerisation reactor, and iii) preparing the polycarbonate in a polymerisation stage by further reacting the carbonate oligomer of the oligomerisation stage in at least one polymerisation reactor, in which an end-capping agent different from phenol and having a single phenolic hydroxy group is added to the monomer mixture in the monomer mixing stage and/or to at least one oligomerisation reactor in the oligomerisation stage.
    Type: Grant
    Filed: September 12, 2019
    Date of Patent: September 3, 2024
    Assignee: SABIC GLOBAL TECHNOLOGIES B.V.
    Inventor: Ignacio Vic Fernandez
  • Acidic aqueous composition for electrolytic copper plating
    Patent number: 12071702
    Abstract: The present invention relates to a composition comprising one or a mixture of two or more quinoline-polyethylene glycol containing compound, each quinoline-polyethylene glycol containing compound comprising: one to three quinoline group and one or more polyethylene glycol group, wherein, in each said quinoline-polyethylene glycol containing compound, one to three of said one to three quinoline group is connected via one or more oxygen atom of said one or more polyethylene glycol group via carbon 6 or carbon 8 of said one to three quinoline group.
    Type: Grant
    Filed: May 10, 2021
    Date of Patent: August 27, 2024
    Assignee: Atotech Deutschland GmbH
    Inventors: Kun Si, Ralf Schmidt, Onas Bolton, Josef Gaida, Frank Von Horsten, Dirk Rohde, Himendra Jha, Jens Palm, Olivier Mann, Angela Llavona-Serrano
  • Coating compositions containing acid functional polyol polymers and coatings formed therefrom
    Patent number: 12071559
    Abstract: A coating composition includes: (a) an acid functional polyol polymer having an acid value of greater than 9 mg KOH/g and less than 60 mg KOH/g, and a hydroxyl value of from 100 to 300 mg KOH/g; (b) a non-aminoplast derived crosslinker reactive with the acid functional polyol polymer; and (c) a non-aqueous liquid medium. Further, an equivalent ratio of functional groups on the crosslinker reactive with hydroxyl functional groups to hydroxyl functional groups on the acid functional polyol polymer is within a range of from 0.5 to 1.5. The coating composition is substantially free of an external catalyst. The coating composition cures at a temperature of less than 80° C.
    Type: Grant
    Filed: November 1, 2019
    Date of Patent: August 27, 2024
    Assignee: PPG Industries Ohio, Inc.
    Inventors: Ian Michael Jones, Egle Puodziukynaite, Shanti Swarup, James C. Serene, Paul H. Lamers, Steven V. Barancyk, Craig A. Wilson
  • Polymers for metal surface treatment
    Patent number: 12071495
    Abstract: Provided are polymers obtained by radical copolymerization of a mixture of (1) acrylic acid; (2) methacrylic acid; and (3) at least one allylcatechol selected from 4-allylbenzene-1,2-diol, 3-allylbenzene-1,2-diol and mixtures thereof. The polymers are especially useful for treating a metallic surface intended to be coated by a paint, a varnish or an adhesive. Also provided are methods of coatings making use of this polymer P, compositions comprising the polymer P and useful for these methods, and the obtained coated materials.
    Type: Grant
    Filed: November 27, 2019
    Date of Patent: August 27, 2024
    Assignee: SPECIALTY OPERATIONS FRANCE
    Inventors: Marie-Pierre Labeau, Guillaume Gody
  • Process for the production of a terephthalate polyester from a monomer mixture comprising a diester
    Patent number: 12071509
    Abstract: A process for the production of a terephthalate polyester, containing a stage a) for preparing an esterification feedstock containing at least one mixing section fed with at least one terephthalic acid feedstock and one diester monomer feedstock, where the ratio of the total number of moles of diol units with respect to the total number of moles of terephthalate units introduced into the mixing section is between 1.0 and 2.0, the mixing section being operated at a temperature between 25° C. and 250° C. and at a pressure greater than or equal to 0.1 MPa, an esterification stage b) to produce at least one reaction effluent and one aqueous effluent, a polycondensation stage c) to obtain at least the terephthalate polyester and an effluent containing at least one diol monomer, and a stage d) of treatment of the diols to obtain a purified diol stream.
    Type: Grant
    Filed: January 27, 2020
    Date of Patent: August 27, 2024
    Assignee: IFP ENERGIES NOUVELLES
    Inventors: Olivier Thinon, Thierry Gauthier
  • Polycarbonate polyol and method for producing same, composition and method for producing same, urethane resin and aqueous urethane resin dispersion
    Patent number: 12065542
    Abstract: A polycarbonate polyol represented by the following Formula (A-1): [in Formula (A-1), R1 represents a hydrogen atom, an alkyl group or a hydroxyalkyl group, R2 represents an alkanediyl group, n and m each represent an integer of 1 or more; and a plurality of R2's may be the same as or different from each other].
    Type: Grant
    Filed: October 15, 2021
    Date of Patent: August 20, 2024
    Assignee: TOSOH CORPORATION
    Inventors: Kohei Honda, Shinji Shigeyasu, Takahiro Tanaka
  • Boronic acid monomers and methods of making boronic acid monomers
    Patent number: 12065546
    Abstract: Boronic acid monomers, methods of making boronic acid monomer, and the like, are provided. Embodiments of the present disclosure are advantageous in that the boronic acid monomers are water soluble at a neutral pH, which is uncommon for boronic acids. As a result, the boronic acid monomers can be used in aqueous polymerization reactions with other hydrophilic monomers to yield polymers including boronic acids and esters.
    Type: Grant
    Filed: March 24, 2021
    Date of Patent: August 20, 2024
    Assignee: University of Floridia Research Foundation, INC.
    Inventors: Brent S. Sumerlin, William L. A. Brooks, Christopher Deng
  • Thermoplastic rubber
    Patent number: 12065556
    Abstract: PRISM Thermoplastic Rubber (PTR) is a novel, composite rubber material technology principally compounded from EOL, ambient ground, whole tires through the management of a unique process governed by the application of advanced, quantum field physics. The value from this technology is to provide a virgin-material-analog that may be readily integrated at high ratio, into new tire construction using conventional tire chemistry and manufacturing techniques resulting in a sustainable and significant, positive cost-benefit ratio as compared to current tire manufacturing economics.
    Type: Grant
    Filed: July 13, 2022
    Date of Patent: August 20, 2024
    Inventor: William B. Coe
  • Polymeric compositions for footwear
    Patent number: 12065559
    Abstract: Polymer compositions may include an elastomeric ethylene-vinyl acetate (EVA) composition; and one or more selected from base polymer, filler, peroxide agent, blowing agent, and blowing accelerator. Methods may include blending a polymer composition from a mixture of an elastomeric ethylene-vinyl acetate (EVA) composition, and one or more of base polymer, filler, peroxide agent, blowing agent, and blowing accelerator, wherein the elastomeric EVA composition has a melt flow index (MFI) at 190° C. and 2.16 kg as determined according to ASTM D1238 in the range of 6.1 g/10 min and 45 g/10 min.
    Type: Grant
    Filed: December 4, 2018
    Date of Patent: August 20, 2024
    Assignee: Braskem S.A.
    Inventor: Giancarlos Delevati
  • Curable resin composition, cured product, and sheet-like formed body
    Patent number: 12060482
    Abstract: A curable resin composition includes a polyether polyol resin represented by general formula (1) and having an epoxy equivalent of 7,000 to 100,000 g/eq, an epoxy resin having a functionality of 3 or more, and an epoxy resin curing agent. Provided is a curable resin composition that is excellent in heat resistance and also excellent in bending resistance in a well-balanced manner and that is applicable in various fields that require heat resistance and toughness, particularly, electrical and electronic fields. n is an integer of 1 or more. A1 and A2 are each a divalent organic group having an aromatic structure and/or an alicyclic structure. B is a hydrogen atom or a glycidyl group.
    Type: Grant
    Filed: April 6, 2021
    Date of Patent: August 13, 2024
    Assignee: Mitsubishi Chemical Corporation
    Inventors: Yosuke Tsuge, Kotaro Nozawa, Kenta Yamamoto, Hayato Ogasawara
  • Method for preparing granular polycarbonate
    Patent number: 12054583
    Abstract: A method for preparing granular polycarbonate particles is disclosed herein. In some embodiments, a method for preparing granulated polycarbonate particles includes mixing a polymerization reaction solution comprising polycarbonate and an organic solvent, and an anti-solvent solution comprising water and an anti-solvent to prepare a mixed solution, heating the mixed solution to remove the organic solvent, and drying or filtering the mixed solution to obtain granular polycarbonate particles. The granular polycarbonate particles having excellent physical properties without using a stabilizer or a surfactant can be obtain.
    Type: Grant
    Filed: January 16, 2020
    Date of Patent: August 6, 2024
    Assignee: LG Chem, Ltd.
    Inventors: Hyunju Kim, Hyeon Hui Kim, Jae Hoon Choe, Mooho Hong, Ki Jae Lee, Soyeon Jee
  • Transition metal complexes as visible light absorbers
    Patent number: 12054499
    Abstract: Described are visible light absorbing compounds. The compounds absorb various visible light wavelengths, such as in the region of 500 to 625 nm, and are suitable for incorporation in various products, such as biomedical devices and ophthalmic devices.
    Type: Grant
    Filed: May 11, 2022
    Date of Patent: August 6, 2024
    Assignee: Johnson & Johnson Vision Care, Inc.
    Inventors: Michael J. Lopez, Shivkumar Mahadevan
  • Heat-resistant semi-conductive thermoplastic resin composition
    Patent number: 12049560
    Abstract: The present application relates to a heat-resistant semi-conductive thermoplastic resin composition and shaped articles made therefrom. The thermoplastic resin composition comprises the following components: an aromatic polycarbonate, a polyalkylene terephthalate, a conductive carbon black and a reinforcement material. The shaped article made from the thermoplastic resin composition according to the present invention has a good combination of heat-resistance, semi-conductivity and dimensional stability.
    Type: Grant
    Filed: February 25, 2021
    Date of Patent: July 30, 2024
    Assignee: Covestro Deutschland AG
    Inventors: Jianfeng Gu, Xiaoxiang Wang, Shoujun Li