Patents Examined by Samuel Barts
  • Patent number: 7518018
    Abstract: Provided are processes for the preparation of sertraline and sertraline hydrochloride.
    Type: Grant
    Filed: January 9, 2008
    Date of Patent: April 14, 2009
    Assignee: Teva Pharmaceutical Industries Ltd.
    Inventors: Harish Ranjan, Sanjay Nayal, Pankaj Singh, Vinod Kumar Kansal, Marioara Mendelovici
  • Patent number: 7501453
    Abstract: Disclosed are aromatic cyclopropane compounds with CNS activity. These compounds can be used for alleviating symptoms of CNS disorders.
    Type: Grant
    Filed: March 12, 2007
    Date of Patent: March 10, 2009
    Assignee: The Research Foundation of State University of New York
    Inventors: Huw M. L. Davies, Timothy Gregg
  • Patent number: 7498467
    Abstract: The present invention provides antioxidants made of an aromatic hydroxyamine derivative having a structure represented by the general formula (I): wherein R1, R2 and R3 are each independently a hydrogen atom or an alkyl group having 1 to 20 carbon atoms; X is a hydrogen atom or an OH group; Y is a hydrogen atom or an NHR1 group; A is a direct bond, —O—, —NH—, —SO2—, —CH2— or —C(CH3)2—, and when an OH group and an NHR1 group are introduced to a unilateral benzene ring, these groups are respectively bonded to adjacent positions of the benzene ring; and n is 0 or 1 with the proviso that when n is 0, R1 is not a hydrogen atom, as well as bisaminophenol derivatives represented by the above general formula (I) wherein n is 1; R2 and R3 are each a hydrogen atom; X is an OH group; Y is an NHR1 group; A is —C(CH3)2—; and R1 is isopropyl, isobutyl or isohexyl.
    Type: Grant
    Filed: February 29, 2008
    Date of Patent: March 3, 2009
    Assignee: Idemitsu Kosan Co., Ltd.
    Inventor: Yasushi Shiraki
  • Patent number: 7495119
    Abstract: ?-ketocarbonyl-functional organosilicon compounds are prepared by reacting, organosilicon compounds containing an SiC-bonded organic radical having a primary amino group, with organic ester compounds containing a group of the formula —O—C(?O)— and, reacting the product with diketenes or diketene derivatives, to produce ?-ketocarbonyl-functional organosilicon compounds containing at least one SiC-bonded radical of the formulae —R1{—N[C(?O)—CHR5—C(?O)—CH2R5]—R1}x—NH—C(?O)—(O)v—R4{—O—[C(?O)—CHR5—C(?O)—CHR5]yH}z or —R1(—NR2?—R1)x—NH—C(?O)—(O)v—R4{—O—[C(?O)—CHR5—C(?O)—CHR5]yH}z R1 is a divalent C1-18 organic radical R2 is a hydrogen atom or a monovalent C1-18 organic radical, R5 is hydrogen, v is 1, x is 0 or an integer from 1 to 10, R2? has one of the meanings of R2 with the proviso that R2? is not a hydrogen atom, y is 0 or 1, and z is 1 or 2.
    Type: Grant
    Filed: May 3, 2007
    Date of Patent: February 24, 2009
    Assignee: Wacker Chemie AG
    Inventor: Christian Herzig
  • Patent number: 7491848
    Abstract: Desvenlafaxine is formed from venlafaxine by the use of a demethylating agent comprising a metal sulfide, such as sodium sulfide, and optionally selenium.
    Type: Grant
    Filed: December 20, 2006
    Date of Patent: February 17, 2009
    Assignee: Synthon IP Inc.
    Inventors: Karel Pospisilik, Lambertus Thijs
  • Patent number: 7482404
    Abstract: This invention discloses a process for manufacturing an elastomeric article by liquid injection molding, said process comprising the steps of: (I) heating a curable composition comprised of (1) a liquid polymer comprised of repeat units that are derived from a conjugated diolefin monomer, wherein said liquid polymer has a weight average molecular weight which is within the range of 5,000 to 100,000, and wherein the liquid polymer is functionalized with an amine moiety, (2) a carbonyl inhibited platinum catalyst, and (3) a tetrakis(dialkyl siloxy) silane crosslinking agent, to a temperature which is within the range of 30° C. to 100° C.; (II) injecting the heated curable composition into a mold at a temperature which is within the range of 100° C. to 210° C. to produce the elastomeric article; and (III) removing the elastomeric article from the mold.
    Type: Grant
    Filed: September 15, 2004
    Date of Patent: January 27, 2009
    Assignee: The Goodyear Tire & Rubber Company
    Inventors: Lawson Gibson Wideman, Vanessa Marika Guscoff, Michael Joseph Rachita
  • Patent number: 7479567
    Abstract: Chlorosilanes such as dimethyldichlorosilane are hydrolyzed in a first super-azeotropic hydrochloric acid distillation column A to produce cyclosiloxanes, chlorosiloxanes, and hydrogen chloride gas. The cyclosiloxanes and the chlorosiloxanes are washed and separated according to their volatility in a second sub-azeotropic hydrochloric acid distillation column B, to produce a substantially chloride free volatile cyclosiloxane stream and a substantially chloride free non-volatile siloxane stream. The process is substantially chloride efficient.
    Type: Grant
    Filed: March 15, 2006
    Date of Patent: January 20, 2009
    Assignee: Dow Corning Corporation
    Inventors: Andrew Bruce Gammie, Christopher Darren Gatti, Roland Lee Halm, Christopher James Kozenski, Dennis Gene Van Koevering
  • Patent number: 7470803
    Abstract: The present invention relates to a compound which is flexibly amenable to the alteration, without impairing its photosensitivity, of its structural moiety which affects film forming ability and the resulting surface properties, the compound being capable of undergoing surface alteration by irradiation with relatively low energy wavelength, and of forming an organic thin film on a substrate with good reproducibility, and an organic thin film formed body, the compound being represented by formula (1). (In the formula, X represents a heteroatom-containing functional group capable of interacting with a surface of a metal or a metallic oxide, R represents a C1 to C20 alkyl group, a C1 to C20 alkoxy group, an aryl group, or a C1 to C20 alkoxycarbonyl group; n represents an integer of 1 to 30, and m represents an integer of 0 to 5; G1 represents a single bond or a bivalent hydrocarbon radical having carbon atoms of 1 to 3; Ar represents an aromatic group which may have a substituent; G2 represents O, S, or Nr.
    Type: Grant
    Filed: January 30, 2004
    Date of Patent: December 30, 2008
    Assignee: Nippon Soda Co., Ltd.
    Inventors: Haruo Saso, Yoshitaka Fujita, Toshiaki Takahashi
  • Patent number: 7470804
    Abstract: An organopolysiloxane composition comprising an organopolysiloxane, an organosilicon compound having at least three hydrolyzable radicals in the molecule, an acid anhydride and optionally a filler cures at room temperature and exhibits excellent adherence to magnesium alloys.
    Type: Grant
    Filed: August 31, 2005
    Date of Patent: December 30, 2008
    Assignee: Shin-Etsu Chemical Co., Ltd.
    Inventors: Tadashi Araki, Tsuneo Kimura
  • Patent number: 7468460
    Abstract: A method for producing unprotected or carbamate-protected amines of formulae (II) and (III) or R1—NH2 (II) or R1—NHCO2R2 (III) by reacting hydroxamic acids of formula (I) (R1 CONHOH) with a) alkylpliosphonic acid anhydrite's, b) alcohol R2OH and c) optionally with a base, at a temperature ranging from 100 to +120°C., wherein the hydroxainic acid (I) is produced prior to or during reacting (in situ) and R1 is an optionally substituted linear or branched C1-C12 alkyl radical, substituted C3-C10 cycloalkyl, alkenyl, aryl or heteroaryl radical and R2 is an open-chain, cyclic or branched allyl, aryl or C1 to C12-alkyl radicals, or aryloxy, allyloxy or alkoxy radical possibly substituted with open-chain, cyclic or branched C1 to C12-alkyl radicals.
    Type: Grant
    Filed: July 5, 2006
    Date of Patent: December 23, 2008
    Assignee: Archimica GmbH
    Inventors: Andreas Meudt, Claudius Boehm
  • Patent number: 7465820
    Abstract: The present invention relates to heparin-binding calixarene compounds of general Formula (I) in which R, R1, L and n have the meanings indicated in the description and their use in the biomedical field.
    Type: Grant
    Filed: September 16, 2004
    Date of Patent: December 16, 2008
    Assignee: Consiglio Nazionale Delle Ricerche
    Inventors: Francesca Cunsolo, Grazia Maria Letizia Consoli, Corrada Geraci, Tommaso Mecca
  • Patent number: 7465830
    Abstract: A method of making high diastereoselective and enantiomerically pure pseudonorephedrine and the hitherto unknown compound (1R,2R) pseudonorephedrine.
    Type: Grant
    Filed: August 9, 2007
    Date of Patent: December 16, 2008
    Assignee: Illinois State University
    Inventors: Shawn R. Hitchcock, Jonathan Andrew Groeper
  • Patent number: 7465719
    Abstract: This invention pertains to certain carbamic acid compounds of the formula (I), which inhibit HDAC (histone deacetylase) activity: wherein: J is a linking functional group and is independently:—O —C(?O)— or —C(?O)—O — or —C(?O)—; Cy is a cyclyl group and is independently: C3-20carbocyclyl, C3-20heterocyclyl, or C5-20aryl; and is optionally substituted; Q1 is a cyclyl leader group, and is independently a divalent bidentate group obtained by removing two hydrogen atoms from a ring carbon atom of a saturated monocyclic hydrocarbon having from 4 to 7 ring atoms, or by removing two hydrogen atoms from a ring carbon atom of saturated monocyclic heterocyclic compound having from 4 to 7 ring atoms including 1 nitrogen ring atom or 1 oxygen ring atom; and is optionally substituted; Q2 is an acid leader group, and is independently: C1-8alkylene; and is optionally substituted; or: Q2 is an acid leader group, and is independently: C5-20arylene; C5-20arylene-C1-7alkylene; C1-7alkylene-C5-20arylene; or C1-7alkylene-C5-20ary
    Type: Grant
    Filed: January 19, 2004
    Date of Patent: December 16, 2008
    Assignee: Topotarget UK Limited
    Inventors: Paul W. Finn, Ivars Kalvinsh, Einars Loza, Aleksandrs Gutcaits, Irena Olutnika, Ludmila Serpionova, Vija Gailite, Rasma Bokaldere
  • Patent number: 7462743
    Abstract: A crystalline Form II of memantine hydrochloride, pharmaceutical compositions containing crystalline Form II, and methods of preparing crystalline Forms I and II of memantine hydrochloride are provided.
    Type: Grant
    Filed: January 11, 2006
    Date of Patent: December 9, 2008
    Assignee: Teva Pharmaceutical Fine Chemicals S.r.l.
    Inventors: Valeriano Merli, Paola Daverio, Adrienne Kovacsne-Mezei, Judith Aronhime
  • Patent number: 7462742
    Abstract: An in situ or one-pot process for the preparation of the compounds of formula (I) uses a compound of general formula (I): and includes: a) the hydrogenation of a nitrile group of the compound of general formula (II): in which R1 to R4 are especially H or alkyl and n varies from 0 to 4, in the presence of a hydrogenation catalyst, a methylating agent and an organic acid as solvent, and at a temperature Ta below the initiation temperature of a reductive amination reaction, to give a primary amine from the nitrile group; and b) the reductive amination of the primary amine in the presence of hydrogen, at a temperature Tb above Ta, to give the dimethylated amine of general formula (I) by activation of the methylating age.
    Type: Grant
    Filed: January 23, 2007
    Date of Patent: December 9, 2008
    Assignee: Zach System
    Inventors: Alain Burgos, Jacques Tonnel, Valéry Dambrin, Denis Lucet, Patricia Poirier
  • Patent number: 7459576
    Abstract: Useful products are recovered from the bottoms of aminoalkylsilane production in high yield and purity by reaction with alcohol, increasing the economics of aminoalkylsilane synthesis.
    Type: Grant
    Filed: February 23, 2006
    Date of Patent: December 2, 2008
    Assignee: Wacker Chemie AG
    Inventors: Andreas Bauer, Oliver Schäfer
  • Patent number: 7456307
    Abstract: A method for the preparation of a chain hydrocarbon halosilylated at its terminal carbon atom or terminal carbon atoms by subjecting a diene-type compound and a hydrogenhalosilane to a hydrosilylation reaction in the presence of a hydrosilylation catalyst and an ether compound having no aliphatic triple bond. A method of conducting a hydrosilylation reaction between a diene-type compound that has vinyl groups on both terminals and a hydrogenhalosilane in the presence of a hydrosilylation catalyst and an ether compound having no aliphatic triple bond.
    Type: Grant
    Filed: October 1, 2004
    Date of Patent: November 25, 2008
    Assignee: Dow Corning Toray Company, Ltd.
    Inventor: Takeaki Saiki
  • Patent number: 7449593
    Abstract: This invention is about anthracene, at least one having silyl substituted group on ring 9 and 10, the anthracene can be a organic light emitting diodes (OLED) material and used for organic electroluminescent device. wherein X is an triarylsilyl group having 6 to 20 carbon atoms, an trialkylsilyl group having 1 to 12 carbon atoms, a substituted or unsubstituted aryl group having 6 to 20 carbon atoms, a substituted or unsubstituted heteroaryl group having 2 to 20 carbon atoms, or a substituted or unsubstituted alkyl group having 1 to 12 carbon atoms. R1 and R2 is independently a hydrogen, halogen, or a substituted or unsubstituted alkyl group having 1 to 12 carbon atoms. R3 to R5 is independently a substituted or unsubstituted aryl group having 6 to 20 carbon atoms, or a substituted or unsubstituted alkyl group having 1 to 12 carbon atoms.
    Type: Grant
    Filed: March 29, 2007
    Date of Patent: November 11, 2008
    Assignee: Au Optronics Corporation
    Inventors: Chen-Ping Yu, Chia-Liang Tai, Fan-Hsiu Chang
  • Patent number: 7446227
    Abstract: A process for preparation of protriptyline hydrochloride from 5-dihydrobenzocycloheptatriene of formula (1) by coupling with chloropropyl alcohol in the presence of excess n-butyl Lithium in tetrahydrofuran under inert atmosphere, followed by preparation of mesylate derivative of formula (3) and finally the nucleophilic displacement of the mesylate group by reacting methylamine solution in methanol to give protriptyline free base of the formula (4). Also the present process reveals the hydrochloride salt formation and purification of the same to give pure pharmaceutical grade protriptyline hydrochloride with impurities less than 0.1% w/w.
    Type: Grant
    Filed: December 11, 2006
    Date of Patent: November 4, 2008
    Assignee: Apicore, LLC
    Inventors: Satyam Nampalli, Brijesh Patel, Peter Xavier Tharial, Ravishanker Kovi
  • Patent number: 7446217
    Abstract: This invention relates to silicon precursor compositions for forming silicon-containing films by low temperature (e.g., <300° C.) chemical vapor deposition processes for fabrication of ULSI devices and device structures. Such silicon precursor compositions comprise at least one disilane derivative compound that is fully substituted with alkylamino and/or dialkylamino functional groups.
    Type: Grant
    Filed: October 31, 2003
    Date of Patent: November 4, 2008
    Assignee: Advanced Technology Materials, Inc.
    Inventors: Ziyun Wang, Chongying Xu, Thomas H. Baum, Bryan Hendrix, Jeffrey F. Roeder