Patents Examined by T. A. Solola
  • Patent number: 6504039
    Abstract: The present invention relates to supported catalysts which are composed of titanium oxide hydrates coated with nanoscale gold particles. The catalysts of the present invention have increased activity over known catalysts.
    Type: Grant
    Filed: May 15, 2002
    Date of Patent: January 7, 2003
    Assignee: Bayer Aktiengesellschaft
    Inventors: Markus Weisbeck, Ernst-Ulrich Dorf, Gerhard Wegener, Christoph Schild, Bernhard Lücke, Herbert Dilcher, Ulrich Schülke
  • Patent number: 6500961
    Abstract: Lactone compounds of formula (1) are useful as monomers to form base resins for use in chemically amplified resist compositions adapted for micropatterning lithography. R1 is H or C1-6 alkyl, R2 is H or an acyl or alkoxycarbonyl group of 1-15 carbon atoms which may be substituted with halogen atoms, Z is a divalent C1-15 organic group which forms a lactone ring with the carbonyloxy group, k is 0 or 1, and m is an integer from 0 to 5.
    Type: Grant
    Filed: May 31, 2001
    Date of Patent: December 31, 2002
    Assignee: Shin-Etsu Chemical Co., Ltd.
    Inventors: Takeshi Kinsho, Koji Hasegawa, Takeru Watanabe, Tsunehiro Nishi, Mutsuo Nakashima, Seiichiro Tachibana, Jun Hatakeyama
  • Patent number: 6500978
    Abstract: A process for producing cyclopropanecarbonitrile involves reacting cyclopropanecarbaldoxime with acetic anhydride to obtain a mixture containing acetic acid and cyclopropanecarbonitrile. The acetic acid can be removed from the mixture through azeotropic distillation of acetic acid with a solvent that forms with acetic acid an azeotropic mixture having an azeotropic point lower than the boiling point of the cyclopropanecarbonitrile.
    Type: Grant
    Filed: February 25, 2002
    Date of Patent: December 31, 2002
    Assignee: Kuraray Co., Ltd.
    Inventors: Tatsuhiko Hayashibara, Junko Sato, Eriko Matsuda, Masahiro Torihara, Yoshin Tamai
  • Patent number: 6500966
    Abstract: A process for the preparation of taxane derivatives by reacting 10-deacetylbaccatin III protected at the 7-and 1-positions with trichloroacetyl groups with a compound of formula and subsequent removal of the protective groups and hydrolysis of the oxazolidine ring.
    Type: Grant
    Filed: August 17, 2001
    Date of Patent: December 31, 2002
    Assignee: Indena S.p.A.
    Inventor: Ezio Bombardelli
  • Patent number: 6500848
    Abstract: Compounds of formula (I) or pesticidally acceptable salts thereof, compositions containing them and methods of use.
    Type: Grant
    Filed: February 1, 2002
    Date of Patent: December 31, 2002
    Assignee: Rhone-Poulenc Inc.
    Inventor: Tai-Teh Wu
  • Patent number: 6498180
    Abstract: Compounds of formula (I) in which R1 is halo-C1-10 alkyl; halo-C2-10 alkenyl; or (CH2)nY in which n is 1 or 2 and Y is OH, CN, N3, OR3, SH, S(O)pR4, S(O)3H, NH2, NHR5, NR6R7, NHCOR8, NO2, CO2H, CONHR9, 1H-tetrazol-5-yl, 5-phenyltetrazol-2-yl or PO3H2; R3, R5, R6, R7, R8 and R9 are each selected independently from C1-4 alkyl, aryl and aryl-C1-4 alkyl; R4 is selected from C1-4 alkyl, aryl, aryl-C1-4 alkyl, and 1H-tetrazol-5-yl, carboxy-(1-4C)alkyl and 1H-tetrazol-5-yl-C1-4 alkyl; and p is 0, 1, 2 or 3; or a salt or ester thereof, provided that R1 is not methoxymethyl, modulate metabotropic glutamate receptor function and are useful in treating disorders of the central nervous system.
    Type: Grant
    Filed: November 16, 2001
    Date of Patent: December 24, 2002
    Assignee: Eli Lilly and Company
    Inventors: Ivan Collado Cano, Concepcion Pedregal Tercero, Alicia Marcos Llorente, Beatriz Lopez de Uralde Garmendia, Maria Rosario Gonzalez Garcia, Ana Belen Bueno Melendo
  • Patent number: 6495552
    Abstract: Novel compounds having the Formulas 1 through 8, wherein the symbols have the meaning defined in the specification, and certain previously known compounds have been discovered to act as inhibitors of the cytochrome P450RAI (retinoic acid inducible) enzyme, and are used for treating diseases responsive to treatment by retinoids. The compound can also be used in co-treatment with retinoids.
    Type: Grant
    Filed: June 7, 2001
    Date of Patent: December 17, 2002
    Assignee: Allergan, Inc.
    Inventors: Jayasree Vasudevan, Alan T. Johnson, Liming Wang, Dehua Huang, Roshantha A. Chandraratna
  • Patent number: 6495533
    Abstract: The present invention relates to phosphoric acid derivatives represented by general formula (I), wherein each symbol is as defined in the description and nontoxic salts thereof. Because of having a TNF&agr; production inhibitory effect, the compounds represented by general formula (I) are useful as preventives and/or remedies for rheumatoid arthritis, ulcerative colitis, Crohn's disease, hepatitis, sepsis, hemorrhagic shock, multiple sclerosis, cerebral infarction, diabetes, interstitial pneumonia, uveitis, pain, glomerulonephritis, HIV-associated diseases, cachexia, myocardial infarction, chronic heart failure, oral aphtha, Hansen's disease, infection, etc.
    Type: Grant
    Filed: August 22, 2001
    Date of Patent: December 17, 2002
    Assignee: Ono Pharmaceutical Co., Ltd.
    Inventors: Toshiaki Matsui, Nagashige Omawari
  • Patent number: 6492535
    Abstract: A process for the production of gamma-butyrolactone. Starting from maleic and/or succinic anhydride the conversion takes place in the vapor phase of a Cu/Cr catalyst.
    Type: Grant
    Filed: July 17, 2000
    Date of Patent: December 10, 2002
    Assignee: Lonza S.p.A.
    Inventors: Gian Luca Castiglioni, Carlo Fumagalli
  • Patent number: 6489490
    Abstract: The invention relates to novel 2-(2-chlorophenyl)-3,4-dihydro-2H-pyrrole derivatives of the formula (I) in which Ar represents substituted phenyl, to a plurality of processes for their preparation and to their use as pesticides.
    Type: Grant
    Filed: November 13, 2000
    Date of Patent: December 3, 2002
    Assignee: Bayer Aktiengesellschaft
    Inventors: Andrew Plant, Alan Graff, Udo Kraatz, Christoph Erdelen, Andreas Turberg, Norbert Mencke
  • Patent number: 6489491
    Abstract: A multi-step method of synthesizing ketorolac, an analgesic compound, is shown. Several of the reactions and intermediate compounds are novel. The reaction sequence begins with the known compound N-2-bromoethylpyrrole.
    Type: Grant
    Filed: February 5, 2002
    Date of Patent: December 3, 2002
    Assignee: Mallinckrodt Inc.
    Inventors: Douglas C. Caskey, John R. Duchek, Henry J. Buehler
  • Patent number: 6486340
    Abstract: A method for producing an &agr;-aminonitrile, is disclosed, which method includes the step of oxidizing a tertiary amine with oxygen by using a transition metal catalyst in the presence of a cyanide. The &agr;-aminonitrile thus obtained can be easily converted to amino acids as well as various nitrogen-containing physiologically active materials.
    Type: Grant
    Filed: July 18, 2001
    Date of Patent: November 26, 2002
    Assignee: Osaka University
    Inventors: Shun-ichi Murahashi, Naruyoshi Komiya
  • Patent number: 6486330
    Abstract: A 4-oxatricyclo[4.3.1.13,8]undecan-5-one derivative is shown by the following formula (1): wherein R is a hydrogen atom or a (meth)acryloyl group, and carbon atoms constituting a ring may have a substituent in addition to the substituents indicated in the formula. This compound is a novel 4-oxatricyclo[4.3.1.13,8]undecan-5-one derivative having a hydroxyl group or a (meth)acryloyloxy group at the 1-position.
    Type: Grant
    Filed: August 28, 2000
    Date of Patent: November 26, 2002
    Assignee: Daicel Chemical Industries, Ltd.
    Inventor: Tatsuya Nakano
  • Patent number: 6486098
    Abstract: The present invention relates to novel herbicidal phenoxypropionic acid N-alkyl-N-2-fluorophenyl amides represented in formula (1), a method for preparing thereof, their use to control barnyard grass produced from rice and composition as suitable herbicides. In said formula, R is methyl or ethyl group; X is hydrogen, halogen, cyano, C1˜C6 alkyl, C1˜C6 alkoxy, C1˜C3 haloalkyl substituted with 1 to 3 of halogen atom(s), C1˜C3 haloalkoxy substituted with 1 to 3 of halogen atom(s), C2˜C4 alkoxyalkoxy, phenoxy, benzyloxy, C2˜C6 alkenyl, C2˜C6 alkinyl, C2˜C6 alkkenyloxy, C2˜C6 alkinyloxy, or phenyl group; Y is hydrogen or fluoro; n is an integer of 1 or 2 and when n is 2, X can be in a combination of other substituents.
    Type: Grant
    Filed: February 20, 2001
    Date of Patent: November 26, 2002
    Assignee: Dongbu Hannong Chemical Co. Ltd.
    Inventors: Dae Whang Kim, Hae Sung Chang, Young Kwan Ko, Jae Wook Ryu, Jae Chun Woo, Dong Wan Koo, Jin Seog Kim
  • Patent number: 6486178
    Abstract: The present invention provides medicines for treating cardiac insufficiency which contain as an active ingredient indane derivatives of formula (I) wherein R1 represents hydrogen atom, nitro group, cyano group, C1-6 alkylcarbonylamino, R2 and R3 each independently represent C1-6 alkyl group, R4 represents hydroxyl group or C1-6 alkylcarbonyloxy group or represents a bond or oxygen atom together with R5, R5 represents hydrogen atom or represents a bond or oxygen atom together with R4, R6 represents hydrogen atom, hydroxyl group or NR7R8, n means 0 or an integer of 1 to 4, X represents C═O, CH2, SO2 or NR16, Y represents NR17 when X is C═O, CH2 or SO2 and represents C═O when X is NR16, Z is absent when Y represents NR17 or represents NR18 when Y is C═O, W represents aromatic groups or lactam rings, or pharmaceutically acceptable salt thereof.
    Type: Grant
    Filed: November 28, 2000
    Date of Patent: November 26, 2002
    Assignee: Nissan Chemical Industries, Ltd.
    Inventors: Keizo Tanikawa, Kazuhiko Ohrai, Masayuki Sato, Kazufumi Yanagihara, Yukihiro Shigeta, Toru Yamashita
  • Patent number: 6482971
    Abstract: The present invention provides a process, which includes: preparing 3-alkoxyacrylonitrile from 3,3-dialkoxypropionitrile by catalytically eliminating alcohol from 3,3-dialkoxypropionitrile in the presence of at least one aromatic sulfonic acid catalyst and at least one high-boiling solvent. Another embodiment of the invention provides a method of producing a pharmaceutical compound, which includes the above-described process. Another embodiment of the invention provides a method of producing a cosmetic product, which includes the above-described process.
    Type: Grant
    Filed: August 6, 2001
    Date of Patent: November 19, 2002
    Assignee: Degussa AG
    Inventors: Renate Paulczynski, Manfred Kaufhold, Artur Hunds
  • Patent number: 6482958
    Abstract: The present invention is concerned with a novel process for the preparation of a hydroxybenzothiophene that is an intermediate for synthesizing pharmaceutically active substances, e.g. 5-[4-[2-(5-methyl-2-phenyl-4-oxazolyl)ethoxy]-7-benzothiophenylmethyl]-2,4-thiazolidinedione and the corresponding sodium salt which are useful in the treatment of diabetes.
    Type: Grant
    Filed: November 8, 2001
    Date of Patent: November 19, 2002
    Assignee: Hoffmann-La Roche Inc.
    Inventors: Bernd Junghans, Michelangelo Scalone, Thomas Albert Zeibig
  • Patent number: 6482956
    Abstract: Novel pyrroles, pyrazoles and triazoles, pharmaceutical compositions containing these compounds and their use as endothelin receptor antagonists are described.
    Type: Grant
    Filed: November 30, 2001
    Date of Patent: November 19, 2002
    Assignee: SmithKline Beecham Corporation
    Inventors: Juan Ignacio Luengo, John Duncan Elliott
  • Patent number: 6479688
    Abstract: A process for the formation of a di(hydroxyalkylaryl) aryl phosphate is disclosed which comprises the reaction of an o-alkyl substituted aromatic diol, e.g., an o-alkyl substituted hydroquinone such as o-t-butylhydro-quinone, and monoaryl dihalophosphate, such as monophenyl dichlorophosphate. This process can, in particular, be used to make certain di(hydroxy-o-alkylphenyl) phenyl phosphate compounds, preferably those that are p-hydroxy, such as di(p-hydroxy-o-t-butylphenyl) phenyl phosphate.
    Type: Grant
    Filed: April 15, 2002
    Date of Patent: November 12, 2002
    Assignee: Akzo Nobel NV
    Inventors: Danielle A. Bright, Jeffrey E. Telschow
  • Patent number: 6479538
    Abstract: Novel cyclic ether vitamin D3 compounds having a cyclic ether side chain are disclosed. These compounds were first identified as metabolites of 3-epi vitamin D3 produced via a tissue-specific metabolic pathway which catalyzes the formation of a cyclic ether structure. Also disclosed are 1&agr;(OH) 3-epi vitamin D3 compounds, which are produced via the epimerization of a 3-&bgr;-hydroxyl group of 1&agr;(OH) vitamin D3 precursor in vivo. The vitamin D3 compounds of the present invention can be used as substitutes for natural and synthetic vitamin D3 compounds.
    Type: Grant
    Filed: July 17, 2000
    Date of Patent: November 12, 2002
    Assignee: Women and Infants Hospital
    Inventor: Satayanarayana G. Reddy