Patents Examined by Jafar Parsa
  • Patent number: 9988342
    Abstract: Provided is a method for producing 2-aminoethyl methacrylate hydrochloride that, according to one embodiment, includes a step (A) for reacting a ketimine compound of 2-aminoethyl methacrylate with water and hydrogen chloride and obtaining a mixture containing 2-aminoethyl methacrylate hydrochloride, wherein in the step (A), the ratio of the total amount of hydrogen chloride to the total amount of ketimine compound of 2-aminoethyl methacrylate is 1.0-1.5 expressed in terms of equivalents, and the ratio of the total amount of water to the total amount of ketimine compound of 2-aminoethyl methacrylate is 1.0-2.0 expressed in terms of equivalents.
    Type: Grant
    Filed: January 26, 2016
    Date of Patent: June 5, 2018
    Assignee: MITSUBISHI GAS CHEMICAL COMPANY, INC.
    Inventors: Yuri Iida, Masaki Takemoto, Hideyuki Sato
  • Patent number: 9988328
    Abstract: An object of the present invention is to extend the catalyst lifetime in a method for producing fluoromethane by pyrolyzing fluorine-containing methyl ether in the presence of a catalyst. The present invention provides a method for producing fluoromethane by pyrolyzing a fluorine-containing methyl ether represented by Formula (1) in a gas phase in the presence of a catalyst, the pyrolysis being conducted at a moisture concentration of 100 ppm or less, wherein R1 and R2 are identical or different, and each represents a substituted or unsubstituted straight or branched monovalent aliphatic hydrocarbon group, substituted or unsubstituted monovalent aromatic hydrocarbon group, substituted or unsubstituted monovalent cyclic aliphatic hydrocarbon group, hydrogen atom, or halogen atom.
    Type: Grant
    Filed: October 22, 2015
    Date of Patent: June 5, 2018
    Assignee: DAIKIN INDUSTRIES, LTD.
    Inventors: Yuusuke Etou, Shingo Nakamura
  • Patent number: 9981892
    Abstract: Methods for the manufacture of 1,1,1,2,3-pentachloropropane from 1,1,1,3-tetrachloropropane and chlorine are disclosed. Improved methods are provided for the manufacture of 1,1,2,3-tetrachloropropene from 1,1,1,2,3-pentachloropropane. Methods are also disclosed for the manufacture of 1,1,2,3-tetrachloropropene from 1,1,1,3-tetrachloropropane and chlorine and for the manufacture of 1,1,2,3-tetrachloropropene from carbon tetrachloride, ethylene, and chlorine.
    Type: Grant
    Filed: April 21, 2017
    Date of Patent: May 29, 2018
    Assignee: OCCIDENTAL CHEMICAL CORPORATION
    Inventors: Richard L. Wilson, Rodney L. Klausmeyer, John Lee Dawkins, Daniel D. Rohrback, James S. Strathe, Lloyd B. Branam
  • Patent number: 9981894
    Abstract: The present invention relates to the field of chemical processes and, more particularly, it concerns valuable new chemical intermediates of formula (IV) for producing perfuming ingredients.
    Type: Grant
    Filed: January 5, 2016
    Date of Patent: May 29, 2018
    Assignee: Firmenich SA
    Inventors: Murielle Haldimann Sanchez, Philippe Dupau
  • Patent number: 9981890
    Abstract: The invention relates to a method for synthesizing 1.2-dichloroethane from ethylene and chlorine via low temperature direct chlorination of ethylene in the presence of a catalyst under conditions in which the synthesized 1.2-dichloroethane is condensed out, however, the ethylene and the chlorine are gaseous, in a reactor (3), wherein the stoichiometric ratio of ethylene to chlorine is adjusted in the reactor (3) such that there is an excess of ethylene. The invention further relates to a device for synthesizing 1.2-dichloroethane from ethylene and chlorine via low temperature direct chlorination of ethylene in the presence of a catalyst under conditions in which the synthesized 1.2-dichloroethane is condensed out, however, the ethylene and the chlorine are gaseous, in a reactor (3), wherein the stoichiometric ratio of ethylene to chlorine is adjustable in the reactor (3) such that there is an excess of ethylene.
    Type: Grant
    Filed: July 27, 2015
    Date of Patent: May 29, 2018
    Assignees: Thyssenkrupp Industrial Solutions AG, Thyssenkrupp AG, Vinnolit GmbH & Co. KG
    Inventor: Michael Benje
  • Patent number: 9981902
    Abstract: The current invention pertains to a process for producing a terephthalate ester comprising: providing reclaimed carpet material comprising a polyester component; and reacting the polyester component with an alcohol having from 6 to 20 carbon atoms and under conditions effective to produce a terephthalate ester; wherein 15-40% of the mass of the terephthalate ester is derived from the polyester present in the reclaimed carpet material.
    Type: Grant
    Filed: October 24, 2016
    Date of Patent: May 29, 2018
    Assignee: Columbia Insurance Company
    Inventor: John Charles Mastrangelo
  • Patent number: 9981896
    Abstract: Herein disclosed is a method of producing dimethyl ether (DME) comprising introducing one or more feed streams comprising methane and carbon dioxide into a reformer to generate synthesis gas; and converting synthesis gas to DME in one step. In some cases, the reformer comprises a Ni catalyst. In some cases, the reformer is a pressurized fluidized bed dry reforming reactor. In some cases, the reformer comprises a hydrogen membrane. The hydrogen membrane removes hydrogen contained in the synthesis gas and shifts reforming reactions toward completion.
    Type: Grant
    Filed: June 2, 2017
    Date of Patent: May 29, 2018
    Assignee: RES USA, LLC
    Inventors: Harold A. Wright, Mark K. Robertson, Weibin Jiang
  • Patent number: 9981891
    Abstract: The present invention relates to the field of saturated fluorohydrocarbons. The subject matter thereof is more particularly the production of 1-chloro-2,2-difluoroethane from 1,1,2-trichloroethane and/or 1,2-dichloroethylene. A process for producing 1-chloro-2,2-difluoroethane from 1,1,2-trichloroethane and/or 1,2-dichloroethylene including (i) at least one step during which the 1,1,2-trichloroethane and/or the 1,2-dichloroethylene reacts or react with hydrofluoric acid in the gas phase, optionally in the presence of an oxidizing agent, in the presence or in the absence of a fluorination catalyst, to give a stream including 1-chloro-2,2-difluoroethane, hydrochloric acid, hydrofluoric acid and at least one C compound(s) chosen from 1-chloro-2-fluoroethylenes (cis and trans), 1,2-dichloro-2-fluoroethane and, optionally, unreacted 1,1,2-trichloroethane and/or 1,2-dichloroethylene.
    Type: Grant
    Filed: November 28, 2014
    Date of Patent: May 29, 2018
    Assignee: ARKEMA FRANCE
    Inventors: Philippe Bonnet, Bertrand Collier, Dominique Garrait, Pierre-Marie Sedat
  • Patent number: 9975824
    Abstract: This invention provides a method capable of efficiently producing 2,3,3,3-tetrafluoropropene (HFO-1234yf) with a recycling step using substantially a single reaction step. A method for producing 2,3,3,3-tetrafluoropropene (HFO-1234yf), comprising a reaction step of reacting at least one chlorine-containing starting compound selected from the group consisting of chlorine-containing alkanes represented by formula (1): CX2YCHClCH2Z (wherein X, Y and Z independently represent H, F or Cl) and chlorine-containing alkenes represented by formula (2): CX2YCCl?CZ2 (wherein X, Y and Z independently represent H, F or Cl) with a fluorinating agent, wherein the molar ratio of the chlorine-containing starting compound represented by formula (1) or (2) newly supplied to the reactor inlet is less than 1.2 relative to 2-chloro-3,3,3-trifluoropropene (HCFO-1233xf) in components obtained from the reactor outlet.
    Type: Grant
    Filed: July 7, 2015
    Date of Patent: May 22, 2018
    Assignee: DAIKIN INDUSTRIES, LTD.
    Inventors: Takehiro Chaki, Daisuke Karube
  • Patent number: 9975844
    Abstract: A compound represented by formula (1): (wherein, R1a represents an alkyl group having 1 to 6 carbon atoms or the like, R1b and R1c represent a hydrogen atom or the like, and X represents a chlorine atom, a bromine atom or an iodine atom) can be produced by: a step wherein a compound represented by formula (2): is reacted with a compound represented by formula (3): (wherein, each of R2 and R3 independently represents an alkyl group having 1 to 3 carbon atoms or the like, and each of R6 and R7 independently represents an alkoxy group having 1 to 3 carbon atoms or the like), thereby obtaining a compound represented by formula (4): a step wherein a compound represented by formula (4) is oxidized; a step wherein the product in the oxidation step is reduced; and a step wherein the product in the reduction reaction is halogenated.
    Type: Grant
    Filed: April 8, 2015
    Date of Patent: May 22, 2018
    Assignee: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventors: Teruki Takahashi, Kazuya Ueki, Yuta Nagashima
  • Patent number: 9975105
    Abstract: A system for producing an oxygenate, comprising: a desulfurization apparatus for contacting a raw material gas comprising hydrogen and carbon monoxide with a desulfurizing agent comprising copper; and a synthesis apparatus for contacting the raw material gas treated by the desulfurizing apparatus with an oxygenate-synthesis catalyst comprising rhodium.
    Type: Grant
    Filed: July 23, 2013
    Date of Patent: May 22, 2018
    Assignees: SEKISUI CHEMICAL CO., LTD., RENAISSANCE ENERGY RESEARCH CORPORATION
    Inventors: Toshihito Miyama, Tomoaki Nishino, Osamu Okada, Tamotsu Nonouchi
  • Patent number: 9975825
    Abstract: The invention relates to a process for the purification of pentafluoroethane (R125) containing chloropentafluoroethane (R115). The mixture to be purified is subjected to an extractive distillation, the extractant being selected from dimethylformamide (DMF), dioxane, dimethylsulphoxide (DMSO) and diethylsulphoxide (DESO).
    Type: Grant
    Filed: April 11, 2016
    Date of Patent: May 22, 2018
    Assignee: ARKEMA FRANCE
    Inventors: David Andre, Abdelatif Baba-Ahmed
  • Patent number: 9969666
    Abstract: A method for the co-production of hydrogen and crude methanol, including; a hydrocarbon processing reforming or gasification process generating a syngas stream comprising hydrogen, carbon monoxide and carbon dioxide; introducing at least a portion of the syngas stream to a once-through methanol synthesis reactor: introducing at least a portion of the stream from methanol reactor to a separation device separating this stream into a crude methanol stream and methanol synthesis off gas stream; introducing at least a portion of the methanol synthesis off gas to a hydrogen separation device, thereby producing a pure hydrogen stream.
    Type: Grant
    Filed: June 29, 2017
    Date of Patent: May 15, 2018
    Assignee: L'Air Liquide Société Anonyme pour l'Etude et l'Exploitation des Procédés Georges Claude
    Inventors: Alexander Roesch, Alain Guillard, Frank Castillo-Welter, Timm P. Schuhmann, Teja Schmid McGuinness, Tobias Oelmann
  • Patent number: 9969664
    Abstract: A process for the manufacture of 1,1,3,3-tetrachloropropene, the process comprising dehydrochlorinating 1,1,1,3,3-pentachloropropane.
    Type: Grant
    Filed: May 14, 2015
    Date of Patent: May 15, 2018
    Assignee: Occidental Chemical Corporation
    Inventors: Rodney L. Klausmeyer, Darrell G. Hollis, Keith S. Kramer, John L. Dawkins, Derrek Rae Burrows
  • Patent number: 9969667
    Abstract: Disclosed herein is a system comprising: a) a Fischer-Tropsch reactor comprising a first inlet and a first outlet; b) an olefin separator comprising a second inlet and a second outlet; c) a deisobutanizer comprising a third inlet and a third outlet; d) an iso-butane to isobutylene reactor comprising a fourth inlet and a fourth outlet; and e) a MTBE reactor comprising a fifth inlet, the recited structures are in fluid communication.
    Type: Grant
    Filed: February 16, 2016
    Date of Patent: May 15, 2018
    Assignee: SABIC GLOBAL TECHNOLOGIES B.V.
    Inventors: Zeeshan Nawaz, Ali Al-Hammad, Talal Al-Shammari, Shehzada Khurram, Khalid Karim, Mubarik Ali Bashir, Thabet Al-Qahtani, Abdullah Turki Al-Jaloud, Saud Al-Khudeer
  • Patent number: 9963411
    Abstract: Provided herein are methods for catalytically hydrogenating carbon dioxide to produce oxygenated hydrocarbons and catalysts for use in same.
    Type: Grant
    Filed: December 2, 2016
    Date of Patent: May 8, 2018
    Assignee: KING ABDULLAH UNIVERSITY OF SCIENCE AND TECHNOLOGY
    Inventors: Kuo-Wei Huang, Amol Mahalingappa Hengne
  • Patent number: 9962625
    Abstract: This disclosure relates to a method for continuous recovery of (meth)acrylic acid and an apparatus used for the recovery method. The method of continuous recovery of (meth)acrylic acid according to the present invention may remarkably reduce the amount of extraction solvent used and energy consumption of the total process, and minimize polymerization of (meth)acrylic acid in the recovery process, thus enabling stable recovery of (meth)acrylic acid and operation of a continuous process.
    Type: Grant
    Filed: July 21, 2014
    Date of Patent: May 8, 2018
    Assignee: LG CHEM, LTD.
    Inventors: Se Won Baek, Jong Hun Song, Sul Hee Yoo
  • Patent number: 9957161
    Abstract: Provided are processes for production of hydrogen to be used in various industrial processes, including in processes for production of ammonia and urea. Included are polygeneration processes that result in ultra-low emissions.
    Type: Grant
    Filed: December 4, 2016
    Date of Patent: May 1, 2018
    Assignee: Grannus, LLC
    Inventor: James Kelly Merritt, Jr.
  • Patent number: 9950975
    Abstract: The present technology is directed to processes involving formation of hydrocarbons and oxygenated hydrocarbons through use of oxygen supplied by ion transport membranes. More particularly, the present technology relates in part to a process involving steam reforming and subsequent production of a synthetic product where carbon dioxide and/or hydrogen downstream of the process is reclaimed to generate the synthetic product. The present technology also relates in part to an ethylene formation process involving a viral-templated coupling catalyst in the presence of an ion transport membrane.
    Type: Grant
    Filed: July 31, 2017
    Date of Patent: April 24, 2018
    Assignee: VELOCYS TECHNOLOGIES, LTD.
    Inventors: Andre Steynberg, Roy Lipski
  • Patent number: 9950997
    Abstract: The present invention discloses a method for preparing a high-purity sulfonamide compound and an intermediate of the sulfonamide compound. The method comprises the following steps: a, taking a crude product of a sulfonamide compound (I) as an initial raw material, and enabling the raw material to react with a compound of a formula (II) in presence of alkali and a catalyst so as to synthesize an intermediate of a formula (III); and b, enabling the compound represented by the formula (III) to react with alkali or acid, thereby obtaining the high-purity sulfonamide compound (I).
    Type: Grant
    Filed: September 10, 2017
    Date of Patent: April 24, 2018
    Inventors: Xiaomin Liang, Hao Jiang, Haige Teng, Jinzhi Yang, Junjin Zhou, Jinlong Zhang, Bangchi Chen