Patents Examined by David J. Buttner
  • Patent number: 12146027
    Abstract: Alkylene carbonates are removed from polyether-carbonate polymers by contacting the polyether-carbonate with an absorbent at a temperature of 30 to 150° C. The process is effective and inexpensive. The purified polyether-carbonate is useful for making polyurethanes as well as in many other applications.
    Type: Grant
    Filed: January 6, 2020
    Date of Patent: November 19, 2024
    Assignee: Dow Global Technologies LLC
    Inventors: Marinus A. Bigi, Nima Nikbin
  • Patent number: 12146030
    Abstract: The present application is directed to a method for producing non-isocyanate polyurethanes. More particularly, the application is directed to method for producing non-isocyanate polyurethanes by using a single catalyst component selected from an amidoindole derivative, a benzimidazole derivative and a squaramide derivative.
    Type: Grant
    Filed: June 29, 2021
    Date of Patent: November 19, 2024
    Assignee: Henkel AG & Co. KGaA
    Inventors: Jose Garcia Miralles, Maryluz Moreno Rueda, Zeynep Beyazkilic, Raquel Gavara Castell, Xavier Elias Pera
  • Patent number: 12139598
    Abstract: The invention describes a method for manufacture of plasticized homopolymeric polyvinyl alcohol, the method including the steps of introducing a polyvinyl alcohol polymer or a blend thereof having a degree of hydrolysis in the range of 93 wt % to 98 wt % into a mixing reactor; adding a processing agent, a plasticizer and a reactive stabilizer to form a reaction mixture; wherein the plasticizer is selected from the group consisting of sugar alcohols, diols, triols, polyols and mixtures thereof; wherein the reactive stabilizer is selected from the group consisting of sodium stearate, potassium oleate, sodium benzoate, calcium stearate, stearic acid, dimethyl propionic acid, and mixtures thereof; —reacting the reaction mixture in a reaction zone to form plasticized polymer; and—allowing the plasticized polymer to pass from the reaction zone.
    Type: Grant
    Filed: July 6, 2021
    Date of Patent: November 12, 2024
    Assignee: Aquapak IP Limited
    Inventors: John Williams, Sian Griffiths, Robert Ashworth
  • Patent number: 12139609
    Abstract: Provided is a resin composition configured to show a small change in the void ratio of hollow resin particles during mold processing and configured to stably mold a lightweight molded product. The resin composition is a resin composition comprising 50 parts by mass to 95 parts by mass of a thermoplastic plastomer and 5 parts by mass to 50 parts by mass of hollow resin particles, wherein the hollow resin particles have a void ratio of from 50% to 85%; wherein the hollow resin particles have a shell containing a resin; and wherein, with respect to 100 parts by mass of repeating units constituting the resin, 30 parts by mass to 100 parts by mass of a crosslinkable monomer unit and 0 part by mass to 70 parts by mass of a non-crosslinkable monomer unit are contained as a polymerizable monomer unit.
    Type: Grant
    Filed: September 13, 2019
    Date of Patent: November 12, 2024
    Assignee: ZEON CORPORATION
    Inventors: Takeshi Hirata, Takashi Iga
  • Patent number: 12122910
    Abstract: The present invention relates to a polycarbonate resin composition for 3D printing and a 3D printing filament comprising same and, more specifically, to a polycarbonate resin composition for 3D printing and a 3D printing filament comprising same, the polycarbonate resin composition comprising a specific combination of a polycarbonate (PC) resin, a polybutylene terephthalate (PBT) resin, a superplasticizer, and an impact modifier, wherein the polycarbonate resin retains superior mechanical properties while particular properties, such as an output performance, a winding property, and an anti-shrinkage property, required for 3D printing filaments, are excellently balanced.
    Type: Grant
    Filed: July 25, 2019
    Date of Patent: October 22, 2024
    Assignee: SAMYANG CORPORATION
    Inventors: Sun Chul Jin, Ki Yong Kim, Hyung Jin Roh, Jong Seong Yim
  • Patent number: 12115261
    Abstract: The present invention relates to a block copolymer, comprising a hydrophilic first block, a hydrophobic second block, and a functional group capable of specifically binding to thiol.
    Type: Grant
    Filed: December 17, 2019
    Date of Patent: October 15, 2024
    Assignee: GI CELL, INC.
    Inventors: Won Jong Kim, Dong Hyun Jang
  • Patent number: 12116438
    Abstract: A thermoplastic resin composition including polycarbonate and ABS resin having superior impact resistance, chemical resistance, flowability, and color phase, and a molded article thereof is provided. A thermoplastic resin composition includes maleimide based copolymer (A) including aromatic vinyl monomer unit, vinyl cyanide monomer unit, and maleimide monomer unit; polycarbonate (B); and at least one resin (C) selected from the group including ABS resin, ASA resin, AES resin, and SAN resin; wherein: the maleimide monomer unit is contained by 0.5 to 10 mass % and the polycarbonate (B) is contained by 20 to 70 mass % in 100 mass % of the thermoplastic resin composition.
    Type: Grant
    Filed: February 21, 2020
    Date of Patent: October 15, 2024
    Assignee: DENKA COMPANY LIMITED
    Inventors: Masanori Matsumoto, Kohei Nishino
  • Patent number: 12109458
    Abstract: An object of the present invention is to provide a golf ball having oily stain washability or weed juice stain resistance that is adjustable depending on a temperature. The present invention provides a golf ball comprising a golf ball body and a paint film composed of at least one layer and covering the golf ball body, wherein a molecular chain of a base resin constituting an outermost layer located at an outermost side of the paint film has a graft chain, and 80 mole % or more of repeating units constituting the graft chain includes any one of repeating units represented by formulae (1) to (4): [In the formulae (1) to (4), R1 to R5 each independently represent hydrogen, halogen or an organic group.].
    Type: Grant
    Filed: September 10, 2021
    Date of Patent: October 8, 2024
    Assignee: SUMITOMO RUBBER INDUSTRIES, LTD.
    Inventors: Takumi Kaneko, Takahiro Shigemitsu, Kazuyoshi Shiga
  • Patent number: 12110358
    Abstract: A synthetic polyisoprene latex containing synthetic polyisoprene, wherein the synthetic polyisoprene constituting the synthetic polyisoprene latex includes a low-molecular weight synthetic isoprene chain having a molecular weight of less than 1,000,000 at a content rate of 10 to 70% by weight and a high-molecular weight synthetic isoprene chain having a molecular weight of 1,000,000 or more at a content rate of 30 to 90% by weight. Also, a method for producing the synthetic polyisoprene latex, wherein the synthetic polyisoprene containing the low-molecular weight synthetic isoprene chain and the high-molecular weight synthetic isoprene chain is obtained by polymerizing a monomer containing isoprene in an organic solvent by use of an organic alkali metal catalyst.
    Type: Grant
    Filed: November 2, 2017
    Date of Patent: October 8, 2024
    Assignee: ZEON CORPORATION
    Inventors: Junji Kodemura, Shunjin Aihara, Yoshitaka Satoh
  • Patent number: 12110385
    Abstract: The present invention provides a chlorinated polyvinyl chloride resin that not only has high heat resistance and high mechanical strength but also is excellent in molding processability and is very easy to soften and additionally enables production of a molded article with high gloss. The present invention relates to a chlorinated polyvinyl chloride resin, containing three components including a A150 component, a B150 component, and a C150 component, and having a percentage of the C150 component (C150 component/(A150 component+B150 component+C150 component)) of 8.0% or more and 30.0% or less, the three components being identified by measuring the chlorinated polyvinyl chloride resin by a solid echo method using pulse NMR at 150° C.
    Type: Grant
    Filed: March 27, 2020
    Date of Patent: October 8, 2024
    Assignees: SEKISUI CHEMICAL CO., LTD., TOKUYAMA SEKISUI CO., LTD.
    Inventors: Kenichi Matsumura, Norikazu Mashino, Kento Murakami, Nami Nakajima, Yasunari Kusaka, Takehisa Sugaya, Masahiko Yamagata
  • Patent number: 12104005
    Abstract: A polyetherurethane polymer containing isocyanate groups and having an NCO content in the range from 1.3% to 1.9% by weight and a monomeric diisocyanate content of not more than 0.5% by weight, obtained from the reaction of at least one monomeric aromatic diisocyanate and a polyether triol having an average OH functionality in the range from 2.2 to 2.6 and an OH number in the range from 25 to 32 mg KOH/g in an NCO/OH ratio of at least 3/1 and subsequent removal of a majority of the monomeric diisocyanates by means of a suitable separation method, and to moisture-curing polyurethane compositions having a monomeric diisocyanate content of less than 0.1% by weight, comprising said polymer.
    Type: Grant
    Filed: August 5, 2019
    Date of Patent: October 1, 2024
    Assignee: SIKA TECHNOLOGY AG
    Inventors: Michael Schlumpf, Sven Reimann, Berzad Durmic
  • Patent number: 12098273
    Abstract: A polybutylene terephthalate resin composition, comprising comprising a thermoplastic resin (A) containing a polybutylene terephthalate resin and, per 100 parts by mass of the thermoplastic resin (A), from 0 to 30 parts by mass of an elastomer (B), from 0.3 to 4 parts by mass of an epoxy compound (C), from 15 to 80 parts by mass of a reinforcing filler (D), and from 1 to 15 parts by mass of a masterbatch (E) containing a silicone compound with a weight-average molecular weight of 10,000 to 80,000 and a thermoplastic resin.
    Type: Grant
    Filed: July 19, 2019
    Date of Patent: September 24, 2024
    Assignee: MITSUBISHI CHEMICAL CORPORATION
    Inventors: Yasushi Yamanaka, Hidekazu Shoji, Rina Takeuchi
  • Patent number: 12098307
    Abstract: The present invention refers to an adhesive composition for flexible lamination, especially for food packaging, which comprises a vegetable oil-based polyol and an NCO-terminated compound as well as a method of producing the vegetable oil-based polyol. Further, the present invention refers to the use of the inventive adhesive composition in flexible lamination and an article comprising the inventive adhesive composition.
    Type: Grant
    Filed: May 21, 2021
    Date of Patent: September 24, 2024
    Assignee: Henkel AG & Co. KGaA
    Inventors: Guilherme Rodrigues Fernandes, Carlos Eduardo Pontel
  • Patent number: 12091585
    Abstract: A two-part urethane adhesive composition that provides excellent initial adhesiveness and excellent long-term adhesiveness. An embodiment of the present invention is a two-part urethane adhesive composition including a main agent containing a urethane prepolymer having an isocyanate group, and a curing agent containing a compound (A) having two or more active hydrogen-containing groups per molecule, the compound (A) including a polyol compound (a1), the polyol compound (a1) having three active hydrogen-containing groups per molecule, having ethylene oxide at a terminal, having a number average molecular weight of greater than 1000 and 20000 or less, having a degree of unsaturation of 0.01 meq/g or less, and having molecular weight distribution (Mw/Mn) of 1.05 or less, and a molar ratio of a total amount of active hydrogen in the compound (A) with respect to an amount of the isocyanate group being 0.2 or greater and less than 0.8.
    Type: Grant
    Filed: June 7, 2019
    Date of Patent: September 17, 2024
    Assignee: SIKA TECHNOLOGY AG
    Inventors: Yuichi Matsuki, Megumi Abe
  • Patent number: 12091508
    Abstract: Methods may include coating a substrate with a polyimide precursor composition prepared from a reaction of a diamine component and a dianhydride component, wherein the reaction includes: a diamine component containing one or more diamines having the formula: wherein R3 is selected from hydrogen, methyl, and halogen; a dianhydride component containing one or more dianhydrides, wherein the one or more dianhydrides include 4,4?-bisphenol A dianhydride (BPADA); and at least one comonomer selected from: one or more additional diamine comonomers, wherein the one or more additional diamine comonomers are present at 1 to 40 mol % of the diamine component; and/or one or more additional dianhydride comonomers, wherein the one or more additional dianhydride comonomers are present at 1 to 40 mol % of the dianhydride component; and curing the polyimide precursor composition to generate a polyimide adhesive on the substrate.
    Type: Grant
    Filed: March 4, 2019
    Date of Patent: September 17, 2024
    Assignee: Kaneka Americas Holding, Inc.
    Inventors: Samuel Kyran, Hiroyuki Furutani
  • Patent number: 12084572
    Abstract: The present invention provides an impeller formed from a resin composition having high tensile strength and specific strength in a high-temperature environment, and having high dimensional accuracy and excellent fire resistance. The impeller according to the present invention is formed from a resin composition containing (A) an aromatic polycarbonate-based resin (component A) and (B) a liquid crystal polyester resin (component B), and containing, on the basis of a total of 100 parts by weight of component A and component B, (C) 3-40 parts by weight of a halogenated carbonate compound (component C), (D) 0.1-3 parts by weight of a drip inhibitor (component D), (E) 25-150 parts by weight of glass fibers and/or carbon fibers (component E), (F) 0.1-8 parts by weight of an epoxy resin (component F), and (G) 0.01-3 parts by weight of a phosphorus-based stabilizer (component G), wherein the weight ratio of component A and component B [(A)/(B)] is 98/2 to 60/40.
    Type: Grant
    Filed: March 10, 2020
    Date of Patent: September 10, 2024
    Assignee: TEIJIN LIMITED
    Inventors: Shunsuke Okuzawa, Masatsugu Furuki, Seiji Kikuchi, Tadayoshi Tsukeda, Saki Aso, Koichi Iwata
  • Patent number: 12077663
    Abstract: Compounds that can be produced by a ring-opening reaction of epoxidized alkanes or epoxidized fatty acid esters having a molecular weight greater than 200 grams per mole are blended with polar polymers to improve the gloss of the polar polymers. These compounds include at least one polar functional group and are blended with polar polymers, or blends comprising at least one polar polymer, in order to improve the gloss of these polymers, such that they have suitable gloss right out of the manufacturing operation without the need for further painting or lamination steps. These compounds may also improve the impact strength of the polar polymers. Also disclosed are composite structures wherein an outer cap layer is made from the polar polymer blended with the gloss improving additive.
    Type: Grant
    Filed: January 4, 2019
    Date of Patent: September 3, 2024
    Assignee: Trinseo Europe GmbH
    Inventors: Jing-Han (Helen) Wang, Cecile Bonnet, Alex Pederson
  • Patent number: 12071513
    Abstract: The invention relates to a method for preparation of a polyamide 6 copolymer, characterised in that a copolymerization reaction is carried out between: o at least one caprolactam of formula (I): o at least one caprolactam, named substituted caprolactam, in which at least one of the carbon atoms is covalently linked to at least one A moiety, said A moiety being selected from the group formed of: # moieties comprising at least one group of formula: (A) #moieties comprising at least one group of formula: (B) # moieties comprising at least one group of formula: (C) The invention also relates to a polyamide 6, to polyamide 6 filaments and filaments yarns.
    Type: Grant
    Filed: June 26, 2019
    Date of Patent: August 27, 2024
    Assignees: Univerza V Ljubljani, Kemijski Institut
    Inventors: Ivan Jerman, Marija Colovic, Jelena Vasiljevic, Barbara Simoncic, Alisa {hacek over (S)}ehic, Andrej Dem{hacek over (s)}ar
  • Patent number: 12060453
    Abstract: Provided is a polyester carbonate resin having a constituent unit (I) represented by the following general formula (1), a constituent unit (II) represented by the following general formula (2), and a constituent unit (III) represented by the following general formula (3): wherein, in the above formula (1), R1 to R3 each independently represent a hydrogen atom, a methyl group or an ethyl group, and in the above formula (2), Q represents a divalent linking group.
    Type: Grant
    Filed: March 10, 2020
    Date of Patent: August 13, 2024
    Assignee: MITSUBISHI GAS CHEMICAL COMPANY, INC.
    Inventors: Manabu Hirakawa, Eiichi Honda, Yasuaki Yoshimura, Yuichiro Satake
  • Patent number: 12037447
    Abstract: Disclosed are compositions, systems and methods related to a polypropiolactone composition comprising polypropiolactone polymers. Such polymers include polypropiolactone chains of Formula (I): where n is an integer from 10 to about 1,000 and Y is either —H or a cation.
    Type: Grant
    Filed: May 22, 2020
    Date of Patent: July 16, 2024
    Assignee: Novomer, Inc.
    Inventors: Jay J. Farmer, Peter Galebach, Kyle Sherry, Sadesh H. Sookraj