Patents Examined by Thurman K. Page
  • Benzoylcyclohexenone derivatives
    Patent number: 7196229
    Abstract: The invention relates to benzoylcyclohexenone derivatives of general formula (I) wherein the variables R1 to R10 and n have the designation cited in claim 1.
    Type: Grant
    Filed: July 26, 2002
    Date of Patent: March 27, 2007
    Assignee: BASF Aktiengesellschaft
    Inventors: Wolfgang von Deyn, Ernst Baumann, Michael Hofmann, Markus Kordes, Ulf Misslitz, Liliana Parra Rapado, Cyrill Zagar, Matthias Witschel, Andreas Landes
  • Arylamine derivatives having fluorene skeleton, synthetic intermediates thereof, processes of producing those, and organic electrolumivescene devices
    Patent number: 7189877
    Abstract: Arylamine derivatives that can be utilized as hole transport or hole injection materials of organic electroluminescence devices, electrophotographic reactors, etc., and synthetic intermediates thereof, and processes of producing those. The arylamine derivative is represented by the general formula (1): wherein R1 to R4 each independently represents a hydrogen atom, an alkyl group, an alkoxy group, an aryl group, an aryloxy group, a halogen atom, an amino group, etc.; Ar1 and Ar2 each independently represents a substituted or unsubstituted aryl group or hetero-aromatic group, and Ar1 and Ar2 may form a nitrogen-containing heterocyclic ring together with the nitrogen atom to which Ar1 and Ar2 bond; and Ar3 represents a substituted or unsubstituted arylene group.
    Type: Grant
    Filed: September 17, 2003
    Date of Patent: March 13, 2007
    Assignee: Tosch Corporation
    Inventors: Masakazu Nishiyama, Hiroaki Tenma, Hisao Eguchi
  • Process for producing (meth)acrylic acid
    Patent number: 7189872
    Abstract: Clogging of a distillation column by polymerization caused by a change of the production rate of (meth)acrylic acid, is prevented to carry out a stabilized operation over a long period. A process for producing (meth)acrylic acid, which includes a purification step wherein a (meth)acrylic acid-containing material to be purified is supplied to and distilled by a distillation column, wherein during a cut operation in which the production rate of (meth)acrylic acid is reduced by ?% relative to the production rate of (meth)acrylic acid during the ordinary operation, the liquid/gas flow rate in the distillation column is adjusted to be at least (100??/2)% of the liquid/gas flow rate during the ordinary operation.
    Type: Grant
    Filed: June 10, 2004
    Date of Patent: March 13, 2007
    Assignee: Mitsubishi Chemical Corporation
    Inventors: Shuhei Yada, Kiyoshi Takahashi, Kenji Takasaki, Yasushi Ogawa, Kimikatsu Jinno, Yoshiro Suzuki
  • Processes for synthesis of tetrafluoropropene
    Patent number: 7189884
    Abstract: Disclosed in one embodiment is a process for the synthesis of 1,3,3,3-tetrafluoropropene that comprises (a) reacting a compound of formula (I) X1X2 with a compound of formula (II) CF3CH?CH2 to produce a reaction product comprising a compound of formula (III) CF3CHX1CH2X2, wherein X1 and X2 are each independently selected from the group consisting of hydrogen, chlorine, bromine and iodine, provided that X1 and X2 are not both hydrogen; (b) when X2 in formula (III) is not fluorine, fluorinating the compound of formula (III) to produce a reaction product comprising a compound of formula (III) wherein X1 is as described above and X2 is fluorine; and (c) exposing said compound of formula (III) to reaction conditions effective to convert said compound to 1,3,3,3-tetrafluoropropene.
    Type: Grant
    Filed: April 29, 2005
    Date of Patent: March 13, 2007
    Assignee: Honeywell International
    Inventors: Sudip Mukhopadhyay, Haridasan K. Nair, HsuehSung Tung, Michael Van Der Puy
  • Process for the preparation of 3-amino-2-hydroxypropylphosphinic acid derivatives
    Patent number: 7186705
    Abstract: The present invention relates to a process for the preparation of 3-amino-2-hydroxypropylphosphinic acid derivatives of the formula I, which are valuable pharmaceutical active ingredients and can be used, for example, as antidepressants. The process starts from O-ethyl phosphinates of the formula II into which, after silylation with hexamethyldisilazane, the 3-amino-2-hydroxypropyl moiety is introduced by reactions with epichlorohydrin and ammonia.
    Type: Grant
    Filed: September 22, 2004
    Date of Patent: March 6, 2007
    Assignee: Aventis Pharmaceuticals Inc.
    Inventors: Bao-Guo Huang, Witold Subotkowski, Duane Rudisill
  • Condensation products of hydroxycarboxylic acids and glycols or glycerol
    Patent number: 7186272
    Abstract: The invention relates to reaction products of glycols, diglycols, higher glycols or glycerol with ?-hydroxycarboxylic acids in a molar ratio of 1:2 or higher, especially conforming to the general formula (V) where R is hydrogen or a C1-3 alkyl group, preferably methyl, nx is from 1 to 5, preferably from 1 to 3, n is 1 or 2 and when n=1 the radical R? is C1-4 alkylene, preferably ethylene, x is defined as x? and y is not less than 1, preferably from 1 to 5, especially 1 or 2, and when n=2 the radical R? is a glycerol radical, x is defined as x? and y is =1. The invention further relates to the use of the (poly)hydroxycarboxylic acid (poly)glycol esters or (poly)hydroxycarboxylic acid glyceryl esters as acid donors and for controlling the pH in textile treatment processes.
    Type: Grant
    Filed: March 6, 2002
    Date of Patent: March 6, 2007
    Assignee: Clariant Finance (BVI) Limited
    Inventor: Jürg Heller
  • Method for improved the handling heat-resistance of the ethylene-vinyl alcohol copolymer
    Patent number: 7186775
    Abstract: The present invention relates to a method for increasing the heat-resistant of ethylene-vinyl alcohol copolymer (EVOH), the method is characterized by using a mixture of acetic acid, magnesium dihydrogen phosphate, and potassium dihydrogen phosphate at a certain ratio as an acid-treating solution in the acid-treating procedure of a process for preparing EVOH. The EVOH produced by the method of the present invention exhibits an excellent heat-resistance and does not become yellowing attributed to the elevated processing temperature. Also, the EVOH generated by the method of the present invention exhibits a uniform heat-resistance since the additives are dispersed evenly in the EVOH.
    Type: Grant
    Filed: June 20, 2003
    Date of Patent: March 6, 2007
    Assignee: Chang Chun Petrochemical Co., Ltd.
    Inventors: Jing Jin Tsai, Li Shing Lin, Huan Ming Chang, Kuang Hui Fan, Weng Shing Lin
  • Glucocorticoid mimetics, methods of making them, pharmaceutical compositions, and uses thereof
    Patent number: 7186864
    Abstract: A compound of Formula (IA) or Formula (IB) wherein R1, R2, R3, R4, R5, R6, R7, and R8 are as defined herein, or a tautomer, prodrug, solvate, or salt thereof; pharmaceutical compositions containing such compounds, and methods of modulating the glucocorticoid receptor function and methods of treating disease-states or conditions mediated by the glucocorticoid receptor function or characterized by inflammatory, allergic, or proliferative processes in a patient using these compounds.
    Type: Grant
    Filed: May 28, 2003
    Date of Patent: March 6, 2007
    Assignee: Boehringer Ingelheim Pharmaceuticals, Inc.
    Inventors: Thomas Martin Kirrane, Jr., Daniel Kuzmich, John Robert Proudfoot, David Thomson
  • Triphenylene compound, method for making
    Patent number: 7183435
    Abstract: The present invention relates to triphenylene compounds useful, for example, in an electrophotographic photoreceptor, and to a method for manufacturing these compounds.
    Type: Grant
    Filed: July 28, 2005
    Date of Patent: February 27, 2007
    Assignee: Ricoh Company, Ltd.
    Inventors: Yuuji Tanaka, Tomoyuki Shimada
  • Stable polymorph of flibanserin
    Patent number: 7183410
    Abstract: The invention relates to the polymorph A of flibanserin, to a technical process for the preparation thereof, as well as to the use thereof for preparing medicaments.
    Type: Grant
    Filed: August 1, 2002
    Date of Patent: February 27, 2007
    Assignee: Bidachem S.p.A.
    Inventors: Carlo Bombarda, Enrica Dubini, Antoine Ezhaya, Margarete Schneider, legal representative, Heinrich Schneider, deceased
  • Method for separating an esterification catalyst
    Patent number: 7183233
    Abstract: Process for removal of the esterification catalyst by separation from a crude plasticizer ester obtained by reacting a dicarboxylic acid with C8–C13 alcohols, by treating the crude ester with an aqueous alkali solution in the range from 10 to 100° C. and then separating the aqueous alkaline phase comprising the hydrolyzed esterification catalyst by gravitational phase separation, by treating the crude ester, prior to or during the phase separation, with a salt of a di- or polyvalent metal, or with a mixture of these salts.
    Type: Grant
    Filed: July 23, 2003
    Date of Patent: February 27, 2007
    Assignee: BASF Aktiengesellschaft
    Inventors: Kurt Schwirten, Walter Disteldorf, Günther Golfier, Jarren Peters
  • Process for obtaining a purified hydrofluoroalkane
    Patent number: 7179949
    Abstract: Process for obtaining a hydrofluoroalkane which is purified of organic impurities, according to which the hydrofluoroalkane containing organic impurities is subjected to at least one purification treatment chosen from (a) a treatment with chlorine in the presence of a initiator (b) a reaction with hydrogen fluoride (c) a distillation in which the purified hydrofluoroalkane is removed from the top of the distillation column or from the side (d) an extractive distillation (e) an adsorption onto a solid adsorbent (f) a reaction with a compound containing oxygen, and (g) a reaction with a compound containing oxygen and a gas-phase reaction with a reagent capable of reacting with at least some of the organic impurities, with the exception of a reaction with elemental chlorine.
    Type: Grant
    Filed: August 10, 2001
    Date of Patent: February 20, 2007
    Assignee: Solvay (Societe Anonyme)
    Inventors: Vincent Wilmet, Francine Janssens, Lionel Casaubon Seignour, Philippe Krafft, Alain Lambert, Olivier Buyle
  • Preparation of organohalosilanes
    Patent number: 7179933
    Abstract: Organohalosilanes are prepared by reacting metallic silicon particles with an organohalide in the presence of a copper catalyst. A contact mass composed of the metallic silicon and the copper catalyst contains an effective amount of a catalyst alloy containing 0.2–8 wt % of tin and 4–20 wt % of phosphorus which is powdered by atomization.
    Type: Grant
    Filed: March 17, 2005
    Date of Patent: February 20, 2007
    Assignee: Shin-Etsu Chemical Co., Ltd.
    Inventors: Tetsuya Inukai, Hajime Ishizaka, Mikio Aramata, Yukinori Satou
  • (Aryl)(amino) borane compounds, method for preparing same
    Patent number: 7179940
    Abstract: The invention concerns (aryl)(amino)borane compounds and a method for preparing same. Said compounds are of formula A-BH—NR1R2, wherein: R1 and R2 are selected among linear, branched or cyclic alkyl radicals, and arylalkyl radicals, or R1 and R2 form together an alkylene; and A represents an aromatic or heteroaromatic group optionally polycondensed, or a group selected among the vinyl, dienyl, polyenyl and alkynyl groups, all said groups optionally bearing at least one substituent. The compounds are obtained by a method which consists in preparing an amine-borane R1R2NH.BH3 complex, in transforming it into aminoborane R1R2NBH2 by heating, then in reacting it with an A-X compound wherein X is a leaving group.
    Type: Grant
    Filed: December 20, 2002
    Date of Patent: February 20, 2007
    Assignees: Centre National de la Recherche Scientifique, Universite de Rennes
    Inventors: Michel Vaultier, Gilles Alcaraz, Christophe Duriez, Lisenn Euzenat, Yann Ribourdouille
  • Method for producing isocyanates
    Patent number: 7179935
    Abstract: A process for the preparation of isocyanates from carbamic esters.
    Type: Grant
    Filed: February 28, 2003
    Date of Patent: February 20, 2007
    Assignee: BASF Aktiengesellschaft
    Inventors: Eckhard Stroefer, Michael Ochse, Volker Krase, Andreas Schmidt, Matthias Kloetzer, Imbridt Murrar, Gisbert Franzke
  • Cyclopentenone derivatives for cancer therapy
    Patent number: 7179937
    Abstract: The invention relates to the use of derivatives of cyclopentenone for the inhibition or prevention of the growth or multiplication of cancer cells, and to therapeutic compositions containing such compounds. The invention relates more specifically to the use of derivatives of cyclopentenone for the inhibition and/or prevention of cancer of the colon, pancreas, larynx, ovary, duodenum, kidney, oral cavity, prostate, lung, endothelial cells and leukemias.
    Type: Grant
    Filed: December 4, 2002
    Date of Patent: February 20, 2007
    Assignee: Dabur Research Foundation
    Inventors: Mukund K. Gurjar, Radhika D. Wakharkar, Gautam R. Desiraju, Ashwini Nangia, Jhillu Singh Yadav, Anand C. Burman, Rama Mukherjee, Hanumant Bapu Rao Borate, Srivari Chandrasekhar, Manu Jaggi, Anuo T. Singh, Kamal Kapoor, Sanjay Sarkhel, K. V. V. M. Sairam
  • Process for recovering a crystalline product from solution
    Patent number: 7179936
    Abstract: An improved process for recovering a crystalline product (particularly an N-(phosphonomethyl)glycine product) from a solution comprising both a product subject to crystallization and undesired impurities is provided.
    Type: Grant
    Filed: September 17, 2004
    Date of Patent: February 20, 2007
    Assignee: Monsanto Technology LLC
    Inventors: Eric A. Haupfear, Eduardo A. Casanova, Kenneth S. Meyer, Henry H. Chien
  • Sodium ferric gluconate complexes and method of manufacture thereof
    Patent number: 7179939
    Abstract: A process is provided for preparing a sodium ferric gluconate complex, substantially free of excipients, for providing a sodium ferric gluconate complex co-precipitated with sucrose, and for providing sodium ferric gluconate complexes in aqueous solution.
    Type: Grant
    Filed: July 12, 2004
    Date of Patent: February 20, 2007
    Assignee: Navinta LLC
    Inventors: Jagadeesh Babu Rangisetty, Christopher Benny Newton
  • Synthesis of triphenylphosphonium quinols and quinones
    Patent number: 7179928
    Abstract: The methods of preparing quinols and quinones typified by mitoquinol and mitoquinone where a compound typified by idebenone is reacted with Ph3PHX and Ph3P, where X is a halogen atom.
    Type: Grant
    Filed: August 12, 2002
    Date of Patent: February 20, 2007
    Assignee: Antipodean Pharmaceuticals, Inc.
    Inventors: Robin Andrew James Smith, Michael Patrick Murphy
  • Method for the production of alkyl lithium compounds by using reduced pressure
    Patent number: 7175784
    Abstract: Disclosed is a method for producing Alkyllithium compounds by reacting metallic lithium with an Alkyl halide in a solvent. The reaction is performed at a reduced pressure at the boiling point of the solvent.
    Type: Grant
    Filed: December 10, 2002
    Date of Patent: February 13, 2007
    Assignee: Chemetall GmbH
    Inventors: Wilfried Weiss, Eike Dolling, Bernd Schneider