Patents Examined by Mary C. Lee
  • Patent number: 5376653
    Abstract: 4-R.sup.4 -R.sup.5 -2-Saccharinylmethyl heterocyclic carboxylates, useful in the treatment of degenerative diseases, are prepared by reacting a 4-R.sup.4 -R.sup.5 -2-halomethylsaccharin with either a heterocyclic carboxylic acid in the presence of an acid-acceptor or the alkali metal salt of a heterocyclic carboxylic acid.
    Type: Grant
    Filed: August 19, 1993
    Date of Patent: December 27, 1994
    Assignee: Sterling Winthrop Inc.
    Inventors: Richard P. Dunlap, Lee H. Latimer, Chakrapani Subramanyam
  • Patent number: 5371099
    Abstract: A compound selected from the group consisting of a compound of the formula ##STR1## wherein R.sub.1 is hydrogen or alkyl of 1 to 3 carbon atoms, R.sub.2 is alkyl of 1 to 3 carbon atoms or cycloalkyl of 3 to 6 carbon atoms, R.sub.3 is --COOR.sub.6, R.sub.6 is hydrogen or alkyl of 1 to 3 carbon atoms, R.sub.4 is selected from the group consisting of halogen, --CN, --NO.sub.2, --SCH.sub.3, alkylcarbonyl of 1 to 6 alkyl carbon atoms, --CX.sub.3, --WCX.sub.3, --(CH.sub.2).sub.n --CX.sub.3, --(CX.sub.2).sub.n --CX.sub.3, --W--(CX.sub.2).sub.n --CX.sub.3, and --W--(CH.sub.2).sub.n --CX.sub.3, X is halogen, W is --O-- or --S--, n is 1, 2 or 3, R.sub.5 is selected from the group consisting of hydrogen, alkyl of 1 to 3 carbon atoms and cycloalkyl of 3 to 6 carbon atoms and their salts with non-toxic pharmaceutically acceptable bases with the proviso that if R.sub.2 is alkyl of 1 to 3 carbon atoms, R.sub.1 is hydrogen and R.sub.4 is selected from the group consisting of halogen, --CX.sub.3, --(CH.sub.2).sub.n --CX.sub.
    Type: Grant
    Filed: April 28, 1993
    Date of Patent: December 6, 1994
    Assignee: Roussel-Uclaf
    Inventors: Robert R. Bartlett, Matharu S. Singh, Elizabeth A. Kuo, Rudolf Schleyerbach, Robert Westwood
  • Patent number: 5369097
    Abstract: This invention pertains to the synthesis and use as therapeutic agents of a group of substances with a glycerol backbone or aliphatic chain structure linked to a phosphorus atom and a polar head group. Depending on the polar head group, the substance has anti-cancer, anti-inflammatory, anti-allergy or anti-cardiovascular disease properties. Compounds of the formula: ##STR1## wherein n is 0 to 14 and R.sub.1 is an alkyl group of C.sub.12 -C.sub.20, R.sub.2 is a methyl group, and wherein R.sub.3 is an inositol analog head group, a (CH.sub.2).sub.m N.sup.+ (CH.sub.3).sub.3 group with m=2 to 10, a serine head group, or an ethanolamine head group, or of the formula ##STR2## wherein R.sub.1 and R.sub.2 are as described above, n=0 or 1, and R.sub.3 is (CH.sub.2).sub.m N.sup.+ (CH.sub.3).sub.3 (m=2-10 ) are claimed.
    Type: Grant
    Filed: May 4, 1993
    Date of Patent: November 29, 1994
    Assignee: The University of British Columbia
    Inventors: Hassan Salari, Robert Bittman
  • Patent number: 5367091
    Abstract: This invention refers to a new process for the preparation of D-(-)-3-acetylthio-2-methylpropionic acid, an important intermediate in the synthesis of the antihypertensive Captopril, consisting of the resolution of the racemic mixture of said acid through formation of the mixture of the diastereomeric salts thereof, in an appropriate solvent, with the low molecular weight L-(+)-2-aminobutanol as a base, selective crystallization of the diastereomeric salt of D-(-)-3-acetylthio-2-methylpropionic acid with L-(+)-2-aminobutanol and release of the D-(-)-3-acetylthio-2-methylpropionic acid through displacement of the base with a stronger acid.
    Type: Grant
    Filed: October 19, 1993
    Date of Patent: November 22, 1994
    Assignee: Medichem, S.A.
    Inventors: Alberto Stampa Diez Del Corral, Maria del Carmen Onrubia Miguel, Jose Irurre Perez
  • Patent number: 5364881
    Abstract: Inhibitors of nitric oxide formation from arginine useful for treating hypotension, inflammation, stroke and to restore vascular contractile sensitivity to the effects of .alpha..sub.1 -adrenergic agonists are physiologically active compounds including N.sup..delta. -substituted ornithine or N.sup..epsilon. -substituted lysine moieties or monoalkyl carbon-substituted N.sup..delta. -substituted ornithine or N.sup..epsilon. -substituted lysine moieties, having the formula ##STR1## wherein R is (CH.sub.2).sub.y CH.sub.3 or H, R' is CH.sub.2 or C(H)(CH.sub.2).sub.y CH.sub.3, and R" is CH.sub.2 or C(H)(CH.sub.2).sub.y CH.sub.3, with y ranging from 0 to 5, and x is 0 or 1 and wherein none or only one of R, R' and R" provides an alkyl substituent on ornithine or lysine moiety, and wherein Q is alkyl having 1 to 5 carbon atoms, and physiologically acceptable acid addition salts thereof.
    Type: Grant
    Filed: November 15, 1993
    Date of Patent: November 15, 1994
    Assignee: The Medical College of Wisconsin Research Foundation, Inc.
    Inventors: Owen W. Griffith, Krishnaswamy Narayanan
  • Patent number: 5360906
    Abstract: Compounds of the formula: ##STR1## wherein R.sup.1 is hydrogen or alkyl;Q is a linkage group of the formula --CHR.sup.2 -- or --CHR.sup.3 --CHR.sup.4 --where R.sup.2 is hydrogen or alkyl, R.sup.3 is hydrogen or alkyl, and R.sup.4 is hydrogen or alkyl;X is nitrogen or .dbd.CH--; andZ is halogen,show insecticidal activity. Also disclosed are the processes for producing the compounds and methods of using them as insecticides.
    Type: Grant
    Filed: November 23, 1993
    Date of Patent: November 1, 1994
    Assignee: Shell Research Limited
    Inventors: David Munro, Bipin Patel
  • Patent number: 5360925
    Abstract: The invention relates to compounds of the general formula AB, which may be a salt or an amide, wherein:A represents a cyclooxygenase inhibitor having an accessible acidic function andB represents the L-form of arginine analogues of the formula ##STR1## wherein R.sub.1, R.sub.2 and R.sub.3 represent various substituents, process for the preparation of such compounds and pharmaceutical composition thereof.
    Type: Grant
    Filed: September 29, 1993
    Date of Patent: November 1, 1994
    Assignee: Societe de Conseils de Recherches et d'Applications Scientifiques
    Inventors: Pierre-Etienne Chabrier de Lassauniere, Pierre Braquet, Colette Broquet, Serge Auvin
  • Patent number: 5359100
    Abstract: Linear or branched oligonucleotide multimers useful as amplifiers in biochemical assays which comprise (1) at least one first single-stranded oligonucleotide unit that is complementary to a single-stranded oligonucleotide sequence of interest, and (2) a multiplicity of second single-stranded oligonucleotide units that are complementary to a single-stranded labeled oligonucleotide. Amplified sandwich nucleic acid hybridizations and immunoassays using the multimers are exemplified.
    Type: Grant
    Filed: August 13, 1993
    Date of Patent: October 25, 1994
    Assignee: Chiron Corporation
    Inventors: Michael S. Urdea, Brian Warner, Joyce A. Running, Janice A. Kolberg, Jennifer M. Clyne, Ray Sanchez-Pescador, Thomas Horn
  • Patent number: 5359083
    Abstract: The invention relates to a novel process for the preparation of compounds of formula I ##STR1## wherein R is straight-chain C.sub.2 -C.sub.4 alk-1-en-1-yl, and salts thereof, and to a novel starting material and the use thereof.
    Type: Grant
    Filed: February 10, 1994
    Date of Patent: October 25, 1994
    Assignee: Ciba-Geigy Corporation
    Inventors: Marc Gerspacher, Alfred Sallmann
  • Patent number: 5356929
    Abstract: The invention features phototherapeutic compositions comprising Type 1, Type 2, or Type 3 psoralens and methods of using such compounds for treatment of proliferative diseases of skin, blood and bone marrow.
    Type: Grant
    Filed: April 23, 1993
    Date of Patent: October 18, 1994
    Assignee: Lehigh University
    Inventors: Ned D. Heindel, Jeffrey D. Laskin
  • Patent number: 5346910
    Abstract: Maleimide derivatives of oxotremorine and their alkylthiol addition products having the general formulae: ##STR1## wherein R.sub.1 and R.sub.2 are independently alkyl, hydroxyalkyl, acyloxy, trialkylsilyloxy or R.sub.1 and R.sub.2 taken together are substituted or unsubstituted pyrrolidine or piperidine, and pharmaceutical compositions for the treatment of central cholinergic disfunction.
    Type: Grant
    Filed: June 3, 1992
    Date of Patent: September 13, 1994
    Assignee: American Cyanamid Company
    Inventors: Eugene J. Trybulski, Herbert J. Brabander
  • Patent number: 5346879
    Abstract: Plant growth regulators comprising, as an active ingredient, a substituted dicarboxylic acid derivative having the formula: ##STR1## wherein R.sup.1, R.sup.2, R.sup.3 and R.sup.4 are the same as defined in the present specification, the substituted dicarboxylic acid derivatives, and processes for preparing the same, are disclosed. The plant growth regulators provided according to the present invention have a regulating activity on plant growth; more specifically, an action thereof of lowering the content of endogenous ethylene in a plant is utilized.
    Type: Grant
    Filed: April 14, 1993
    Date of Patent: September 13, 1994
    Assignee: Sumitomo Chemical Company Limited
    Inventors: Akio Manabe, Masato Mizutani, Naonori Hirata, Sachiko Uwayokote, Kazuo Izumi, Kenji Arai
  • Patent number: 5344935
    Abstract: There are provided alkyl esters of 5-heterocyclic-pyridine-2,3-dicarboxylic acids useful as intermediates for the preparation of highly effective 5-heterocyclic-2-(2-imidazolin-2-yl)pyridine herbicidal agents and methods for the preparation thereof.
    Type: Grant
    Filed: May 27, 1993
    Date of Patent: September 6, 1994
    Assignee: American Cyanamid Company
    Inventor: John M. Finn
  • Patent number: 5344814
    Abstract: Herbicidal 1-(3,4-disubstituted phenyl)tetrazolinones of the formula ##STR1## wherein X represents halogen,Y represents trifluoromethoxy or trifluoromethylthio,R.sup.1 represents propyl, isopropyl or allyl, andR.sup.2 represents propyl, isopropyl or allyl.
    Type: Grant
    Filed: May 26, 1993
    Date of Patent: September 6, 1994
    Assignee: Nihon Bayer Agrochem K.K.
    Inventors: Toshio Goto, Hidenori Hayakawa, Yukiyoshi Watanabe, Akihiko Yanagi
  • Patent number: 5340928
    Abstract: Reactive dyestuffs of the formula (1) ##STR1## in which D denotes the radical of an organic dyestuff,R, R.sub.1 and R.sub.2, independently of one another, denote hydrogen or substituted or unsubstituted C.sub.1-4 -alkyl,A denotes a substituted or unsubstituted aliphatic, aromatic or aromatic-aliphatic bridging member,X denotes Cl, FPym denotes the radicals ##STR2## n denotes 1 or 2, are suitable in particular for the dyeing of cellulose fibres.
    Type: Grant
    Filed: May 6, 1992
    Date of Patent: August 23, 1994
    Assignee: Bayer Aktiengesellschaft
    Inventors: Manfred Hoppe, Karl-Josef Herd, Thomas Eizenhofer, Wolfgang Harms, Hermann Henk, Klaus Kunde, Wolfram Reddig
  • Patent number: 5338883
    Abstract: There are provided novel benzenesulfonyl carboxamide compounds and novel intermediate benzenesulfonyl-2-imidazolin-5-one compounds, novel intermediates and methods for the preparation of said compounds, and a method for controlling a variety of annual and perennial plant species utilizing novel benzenesulfonyl carboxamide compounds and novel intermediate benzenesulfonyl 2-imidazolin-5-one compounds.
    Type: Grant
    Filed: July 6, 1993
    Date of Patent: August 16, 1994
    Assignee: American Cyanamid Company
    Inventors: Sergio I. Alvarado, Alvin D. Crews, Jr., Peter J. Wepplo, Robert F. Doehner, Jr., Thomas E. Brady, David M. Gange, Desiree L. Little
  • Patent number: 5338878
    Abstract: A process is provided for separating alkyl carbonate from a feedstock comprising at least one alkyl carbonate and at least one alkanol comprising extracting the alkyl carbonate from the feedstock in a liquid-liquid extraction step comprising a first extraction solvent comprising hydrocarbon selective for extracting alkyl carbonates relative to alkanol in an amount sufficient to extract a substantial portion of the alkyl carbonate from the feedstock and a second solvent comprising water in an amount sufficient to extract a substantial portion of the alkanol from the feedstock.
    Type: Grant
    Filed: January 29, 1993
    Date of Patent: August 16, 1994
    Assignee: Amoco Corporation
    Inventors: Michael A. Pacheco, Franklin D. Darrington, Albert L. Hensley, Jr.
  • Patent number: 5338752
    Type: Grant
    Filed: May 10, 1993
    Date of Patent: August 16, 1994
    Assignee: SK&F Laboratories Ltd.
    Inventors: Deirdre M. B. Hickey, David G. Cooper, Albert A. Jaxa-Chamiec
  • Patent number: 5336783
    Abstract: A novel calpain inhibitory active and low molecular weight substance, cystamidin A and its production are provided. Cystamidin A of the following formula ##STR1## was produced by culturing Streptomyces sp. KP-1241 FERM BP-41 71 in a nutrient medium and isolating the active substance from the cultured mass.
    Type: Grant
    Filed: March 23, 1993
    Date of Patent: August 9, 1994
    Assignee: The Kitasato Institute
    Inventors: Satoshi Omura, Haruo Tanaka, Kazuro Shiomi, Jing R. Liu
  • Patent number: 5336782
    Abstract: Provided is a long chain carboxylic acid imide ester (I) represented by the following general formula (I) ##STR1## wherein W is a divalent long chain hydrocarbon group which may optionally be interrupted by one or more groups each independently selected from the group consisting of an oxygen atom, a sulfur atom and a group of --N(R.sup.1)-- (R.sup.1 being a lower alkyl group) and X represents a divalent hydrocarbon group which may optionally be substituted, or salts thereof. The above long chain carboxylic acid imide ester or its salts is useful for modifying enzymes or proteins having biological activities to give their derivatives which have, while retaining most of the original biological activities, an extremely prolonged plasma half-life as compared with the proteins and have no antigenecities and can be administered to animals.
    Type: Grant
    Filed: April 23, 1992
    Date of Patent: August 9, 1994
    Assignee: Kuraray Co., Ltd.
    Inventors: Iwao Ebashi, Tetsuo Takigawa, Masayasu Inoue