Patents Examined by Yun Qian
  • Patent number: 10494503
    Abstract: A cellulose ester composition having good thermoplasticity and including: (A) a cellulose ester and (B) a plasticizer, wherein the plasticizer of the component (B) includes at least one kind selected from adipic acid esters respectively represented by the following formulae (I), (II) and (III).
    Type: Grant
    Filed: October 15, 2013
    Date of Patent: December 3, 2019
    Assignees: DAICEL POLYMER LTD., DAIHACHI CHEMICAL INDUSTRY CO., LTD.
    Inventors: Shinichiro Imanishi, Yasuo Okumura, Kazunobu Yanai
  • Patent number: 10493442
    Abstract: A composition comprising an N2-phosphinylamidine chromium salt complex having Structure FNPACr I: wherein CrXp is a chromium salt where X is a monoanion and p is an integer from 2 to 6. A process comprising a) contacting i) ethylene, and ii) a catalyst system comprising an N2-phosphinylamidine chromium salt complex having Structure FNPACr I: wherein CrXp is a chromium salt where X is a monoanion and p is an integer from 2 to 6; and b) forming an oligomer product in a reaction zone.
    Type: Grant
    Filed: September 22, 2017
    Date of Patent: December 3, 2019
    Assignee: Chevron Phillips Chemical Company LP
    Inventors: Steven M. Bischof, Uriah J. Kilgore, Orson L. Sydora, Daniel H. Ess, Jack T. Fuller, III, Doo-Hyun Kwon
  • Patent number: 10493499
    Abstract: A micro-irrigation system cleaning method adds a formulation which contains a water-soluble organic acid which has a pK(1)a of less than about 4.0, and optionally a water-soluble phosphonate dispersant. The cleaning continues for a time period of from three to twenty-four hours in a static environment.
    Type: Grant
    Filed: July 6, 2018
    Date of Patent: December 3, 2019
    Inventors: John C. Miller, Deborah L. Miller
  • Patent number: 10478812
    Abstract: The catalyst solution used in a hydroformylation process is prepared for storage by first reducing its acid concentration and/or water content, and then storing the solution under a blanket of syngas and/or an inert gas. Alternatively, or in addition to, the catalyst solution can be stored with an aqueous buffer comprising materials that will neutralize and/or absorb the acid species within the catalyst solution.
    Type: Grant
    Filed: April 13, 2012
    Date of Patent: November 19, 2019
    Assignees: Dow Technology Investments LLC, BASF SE
    Inventors: Thomas C. Eisenschmid, Michael C. Becker, Donald L. Campbell, Jr., Michael A. Brammer, Glenn A. Miller, Edward Adrian Lord, Jens Rudolph, Hans-Rüdiger Reeh
  • Patent number: 10472302
    Abstract: The present invention relates to a ligand compound, a catalyst system for oligomerization of olefins, and a method for oligomerization of olefins using the catalyst system. The catalyst system for oligomerization of olefins according to the present invention not only has excellent catalytic activity, but also exhibits high selectivity to 1-hexene or 1-octene, thus enabling more efficient preparation of alpha-olefin.
    Type: Grant
    Filed: June 18, 2015
    Date of Patent: November 12, 2019
    Assignee: LG CHEM, LTD.
    Inventors: Yong Ho Lee, Eun Ji Shin, Jin Young Park, Seok Pil Sa, Ki Soo Lee
  • Patent number: 10471417
    Abstract: A titanium oxide particle surface-treated with a silane compound having a hydrocarbon group has absorption at a wavelength of about 400 nm or more and about 800 nm or less in an ultraviolet-visible absorption spectrum, and has an absorption peak at a wave number of about 2700 cm?1 or more and about 3000 cm?1 or less in an infrared absorption spectrum.
    Type: Grant
    Filed: July 12, 2016
    Date of Patent: November 12, 2019
    Assignee: FUJI XEROX CO., LTD.
    Inventors: Hidekazu Hirose, Hideaki Yoshikawa, Hiroyoshi Okuno, Takeshi Iwanaga, Yasunobu Kashima, Wataru Yamada, Sakae Takeuchi, Atsushi Sugitate
  • Patent number: 10464055
    Abstract: In an embodiment, there is provided a photocatalyst element comprising: a porous resin base material that comprises interconnecting pores, and a three-dimensional network skeleton forming the pores; and a photocatalyst which is supported on a surface of the three-dimensional network skeleton of the porous resin base material and/or contained in the three-dimensional network skeleton of the porous resin base material. The photocatalyst element has excellent antimicrobial effects.
    Type: Grant
    Filed: March 10, 2015
    Date of Patent: November 5, 2019
    Assignee: Nitto Denko Corporation
    Inventors: Takashi Ozaki, Keita Mine, Guang Pan
  • Patent number: 10464851
    Abstract: The present invention relates to a method for producing a gypsum-containing foamed prefabricated building material and to a gypsum-containing foamed prefabricated building material.
    Type: Grant
    Filed: April 25, 2014
    Date of Patent: November 5, 2019
    Assignee: BASF Construction Solutions GmbH
    Inventors: Uwe Gehrig, Klaus Möller, Michael Schinabeck, Martin Pichler, Joachim Pakusch, Ekkehard Jahns
  • Patent number: 10457758
    Abstract: Supported Ziegler-Natta ethylene polymerization procatalyst comprising special bi-(oxygen containing ring) compounds as internal donor, as well as a process for preparing the same and use of such a procatalyst for preparing a catalyst system used in the polymerization of ethylene for producing high molecular weight polyethylenes.
    Type: Grant
    Filed: December 20, 2013
    Date of Patent: October 29, 2019
    Assignee: BOREALIS AG
    Inventors: Kumudini Jayaratne, Elina Hamalainen, Kalle Kallio
  • Patent number: 10449529
    Abstract: The present invention relates to a novel phenonthroline based pincer complexes and process for preparation thereof. The present invention also provides a one pot process for the conversion of carbon dioxide to methanol in the presence of a molecularly defined pincer-type single-site Ru-catalyst and secondary amine. Further the present invention provides the use of phenonthroline based pincer complexes for the esterification of alcohols and hydrogenation of esters under mild conditions.
    Type: Grant
    Filed: February 10, 2016
    Date of Patent: October 22, 2019
    Assignee: COUNCIL OF SCIENTIFIC & INDUSTRIAL RESEARCH
    Inventors: Ekambaram Balaraman, Vinod Gokulkrishna Landge, Siba Prasad Midya, Manoj Kumar Sahoo, Garima Jaiswal
  • Patent number: 10450390
    Abstract: Provided are a novel metallocene compound, a metallocene-supported catalyst, and a method of preparing a polyolefin using the same. The metallocene-supported catalyst according to the present disclosure exhibits a high polymerization activity even when the metallocene compound is supported on a support, thereby showing an excellent activity and preparing a polyolefin having a high molecular weight.
    Type: Grant
    Filed: December 15, 2015
    Date of Patent: October 22, 2019
    Assignee: LG CHEM, LTD.
    Inventors: Sung Min Lee, Bog Ki Hong, Kyung Jin Cho, Se Young Kim, Chang Woan Han, Ki Soo Lee, Eun Kyoung Song
  • Patent number: 10441948
    Abstract: The present invention relates to ruthenium- or osmium-based complex structures, to the synthesis thereof and their use as catalysts for hydrogenating unsaturated substrates.
    Type: Grant
    Filed: April 12, 2016
    Date of Patent: October 15, 2019
    Assignee: ARLANXEO DEUTSCHLAND GMBH
    Inventor: Zhenli Wei
  • Patent number: 10442741
    Abstract: Disclosed herein are a chromium compound represented by Formula 1a or 1b and a catalyst system including the same, exhibiting superior catalytic activity in an olefin trimerization reaction: [{CH3(CH2)3CH(CH2CH3)CO2}2Cr(OH)]??[Formula 1a] [{CH3CH2CH(CH2CH3)CO2}2Cr(OH)].
    Type: Grant
    Filed: March 4, 2015
    Date of Patent: October 15, 2019
    Assignee: AJOU UNIVERSITY INDUSTRY-ACADEMIC COOPERATION FOUNDATION
    Inventors: Bun Yeoul Lee, Jong Yeob Jeon, Dong Sik Park
  • Patent number: 10428096
    Abstract: Provided are a novel polyketone polymerization catalyst and a method of preparing a ligand, which can reduce production costs and can enable commercial mass synthesis by using ((2,2-dimethyl-1,3-dioxane-5,5-diyl)bis(methylene))bis(bis(2-methoxyphenyl)phosphine) as a ligand constituting the polykeytone polymerization catalyst, the ligand having a simple structure and a small molecular weight while having high activity.
    Type: Grant
    Filed: July 16, 2014
    Date of Patent: October 1, 2019
    Assignees: HYOSUNG CHEMICAL CORPORATION, ST PHARM CO., LTD.
    Inventors: Jae Yoon Shim, Sun Kue Kim, Hae Souk Cho, Ji Hwan Choi, Geun Jho Lim, Sun Ki Chang, Min Kyu Kim, In Hyeok Baek
  • Patent number: 10421065
    Abstract: The present invention provides a process for preparing a water splitting catalyst containing [Mn4CaO4] core structure and use thereof. The present invention provides clusters containing [Mn4CaO4] core structure by a chemical synthesis using inexpensive metal ions (Mn2+, Ca2+ ions), simple carboxyl ligands and a permanganate, performed single crystal X-ray diffraction on their space structure, and characterized their physical and chemical properties with electron spectrum, electrochemical and electron paramagnetic resonance technologies and the like. These compounds can catalyze water splitting in the presence of oxidant to release oxygen and can also catalyze water splitting on the surface of an electrode to release electrons onto the surface of the electrode to form a current.
    Type: Grant
    Filed: February 2, 2016
    Date of Patent: September 24, 2019
    Assignee: INSTITUTE OF CHEMISTRY, CHINESE ACADEMY OF SCIENCES
    Inventors: Chunxi Zhang, Changhui Chen
  • Patent number: 10421864
    Abstract: An object is to provide a metal surface treatment agent which can be coated by screen printing, and can be effectively used for metal surface treatment at the time of forming a rubber-metal complex excellent in water resistance and heat resistance, and the object can be solved by a metal surface treatment agent which comprises an organometallic compound, silica, magnesium silicate hydrate, and an organic solvent represented by the following general formula (I): R—O—(CH2)2OH??General formula (I) [wherein R represents an alkyl group having 3 or more carbon atoms or an aryl group.
    Type: Grant
    Filed: November 29, 2013
    Date of Patent: September 24, 2019
    Assignee: NOK CORPORATION
    Inventors: Taichi Kano, Tomohiro Kaise
  • Patent number: 10421703
    Abstract: The present invention is directed towards a catalyst which is obtainable by contacting in situ a ruthenium precursor and a phenol derivative. Furthermore, the present invention is directed towards the use of said catalyst in transfer hydrogenation reactions. In particular, the present invention is directed to a method for preparing menthone starting from isopulegol.
    Type: Grant
    Filed: October 13, 2017
    Date of Patent: September 24, 2019
    Assignee: BASF SE
    Inventors: Carolin Limburg, Rocco Paciello
  • Patent number: 10421865
    Abstract: A rubber metal adhesive can be coated by screen printing, and can be effectively used for metal surface treatment at the time of forming a rubber-metal complex excellent in water resistance and heat resistance. The rubber metal adhesive comprises an organometallic compound, silica, magnesium silicate hydrate, and an organic solvent represented by the following general formula (I): R—O—(CH2)2OH??General formula (I) [wherein R represents an alkyl group having 3 or more carbon atoms or an aryl group.
    Type: Grant
    Filed: October 18, 2016
    Date of Patent: September 24, 2019
    Assignee: NOK CORPORATION
    Inventors: Taichi Kano, Tomohiro Kaise
  • Patent number: 10421064
    Abstract: The present invention relates to a catalyst composition and a process for the oligomerization of ethylene to produce 1-hexene or 1-octene, wherein the catalyst composition comprises a chromium compound; an NPNPN ligand of the formula (R1) (R2)N—P(R3)—N(R4)—P(R5)—N(R6)(R7), wherein R1, R2, R3, R4, R5, R6 and R7 are each independently hydrogen, halogen, amino, trimethylsilyl or C1-C20 hydrocarbyl, preferably straight-chain or branched C1-C10 alkyl, phenyl, C6-C20 aryl or C6-C20 alkyl-substituted phenyl.
    Type: Grant
    Filed: July 22, 2015
    Date of Patent: September 24, 2019
    Assignee: SABIC GLOBAL TECHNOLOGIES B.V.
    Inventors: Mohammed H. Al-Hazmi, Abdullah Alqahtani, Uwe Rosenthal, Bernd H. Muller, Normen Peulecke, Marco Harff, Anina Wohl, Andreas Meiswinkel, Heinz Bolt, Wolfgang Muller
  • Patent number: 10406512
    Abstract: A polymeric composition includes an organic polymeric substrate and metal-organic frameworks on the surface of the polymeric substrate. The metal-organic frameworks cover at least 90% of the surface area of the polymeric substrate.
    Type: Grant
    Filed: April 24, 2015
    Date of Patent: September 10, 2019
    Assignee: Colorado State University Research Foundation
    Inventors: Melissa M Reynolds, Jacqueline L Harding, Megan J Neufeld