Patents Examined by Jane T. Fan
  • Patent number: 5296488
    Abstract: This invention relates to 2,3-dihydro-1-(pyridinylamino)-indoles of the formula ##STR1## wherein R.sub.1 is hydrogen, loweralkyl, aryl, arylloweralkyl, alkenyl, alkynyl or heteroarylloweralkyl selected from the group consisting of pyridinylmethyl, pyridinylethyl, thienylmethyl, thienylethyl; R.sub.2 and R.sub.3 are independently hydrogen, loweralkyl, aryl, arylloweralkyl or heteroarylloweralkyl selected from the group consisting of pyridinylmethyl, pyridinylethyl, thienylmethyl, thienylethyl; or R.sub.2 and R.sub.3 together form a cycloalkane ring of 4 to 6 carbons or a spiro-fused aryl or heteroaryl; the term heteroaryl signifying a group selected from pyridine or thiophene; X and Y are independently hydrogen, halogen, hydroxy, loweralkyl, loweralkoxy, nitro, amino or trifluoromethyl; m and n are independently integers of 1 to 3, or a pharmaceutically acceptable acid addition salt thereof or where appropriate, an optical, geometrical or stereoisomer or racemic mixture thereof.
    Type: Grant
    Filed: November 5, 1992
    Date of Patent: March 22, 1994
    Assignee: Hoechst-Roussel Pharmaceuticals Inc.
    Inventors: Richard C. Effland, David G. Wettlaufer, Joseph T. Klein
  • Patent number: 5294597
    Abstract: Compounds of formula ##STR1## wherein Z is oxygen or sulphur;R.sup.1 is hydrogen, halogen, alkyl or haloalkyl;R.sup.2 is hydrogen, or alkyl;q is 0 or 1;R.sup.3 is hydrogen, alkyl or alkenyl; the or each X independently is halogen, optionally substituted alkyl or alkoxy, alkenyloxy, alkynyloxy, cyano, carboxy, alkoxycarbonyl, (alkylthio)carbonyl, alkylcarbonyl, amido, alkylamido, nitro, alkylthio, haloalkylthio, alkenylthio, alkynylthio, alkylsulphinyl, alkylsulphonyl, alkyloximinoalkyl or alkenyloximinoalkyl;n is 0 or an integer from 1 to 5; the or each Y independently is a halogen, alkyl, nitro, cyano, haloalkyl, alkoxy or haloalkoxy; and m is 0 or an integer from 1 to 5, their preparation and use as herbicides.
    Type: Grant
    Filed: March 4, 1991
    Date of Patent: March 15, 1994
    Assignee: Shell Research Limited
    Inventors: Christopher J. Foster, Terence Gilkerson, Richard Stocker
  • Patent number: 5290797
    Abstract: A compound selected from those of the formula I: ##STR1## in which: R.sub.1 represents hydrogen or alkyl having 1 to 3 inclusive carbon atoms,R represents hydrogen, alkyl having 1 to 4 inclusive carbon atoms, or acyl --CO--R' in which R' represents alkyl having 1 to 4 inclusive carbon atoms,X represents O or H.sub.2,an isomer,and an addition salt thereof with a pharmaceutically-acceptable acid or base, andmedicinal products containing the same which are useful in treating or in preventing disorder resulting from or associated with phenomena of peroxidation and disturbance of the synthesis of eicosanoids.
    Type: Grant
    Filed: March 4, 1992
    Date of Patent: March 1, 1994
    Assignee: Adir et Compagnie
    Inventors: Guillaume Le Baut, Jean-Paul Babingui, Jean-Michel Robert, Pierre Renard, Jean-Francois Renaud de la Faverie, Gerard Adam
  • Patent number: 5288743
    Abstract: Compounds of the structure ##STR1## where A is straight or branched divalent alkylene or divalent cycloalkylene, R.sub.1 is selected from hydrogen; alkylthio; optionally substituted phenylthio; optionally substituted phenylalkylthio; optionally substituted 2-, 3-, and 4-pyridyl; optionally substituted 2-, and 3-thienylthio; and optionally substituted 2-thiazolythio, R.sub.2 is selected from --COOB; --COOalkyl; --COOalkyl(carbocyclic aryl); --CONR.sub.5 R.sub.6 ; --COR.sub.6 ; and --OH, R.sub.3 is selected from phenylalkyl and heteroarylalkyl, and R.sub.4 is selected from optionally substituted alkoxy(carbocyclic aryl); optionally substituted carbocyclic aryloxy; optionally substituted heteroarylalkoxy; and optionally substituted heteroaryloxy are potent inhibitors of lipoxygenase enzymes and thus inhibit the biosynthesis of of leukotrienes. These compounds are useful in the treatment or amelioration of allergic and inflammatory disease states.
    Type: Grant
    Filed: November 20, 1992
    Date of Patent: February 22, 1994
    Assignee: Abbott Laboratories
    Inventors: Dee W. Brooks, Keith W. Woods, Karen E. Rodriques
  • Patent number: 5284859
    Abstract: The present invention relates to therapeutically active piperidine compounds, a method of preparing the same and to pharmaceutical compositions comprising the compounds. The novel compounds are useful as stimulants of the cognitive function of the forebrain and hippocampus of mammals and especially in the treatment of Alzheimer's disease, severe painful conditions and glaucoma.
    Type: Grant
    Filed: August 15, 1991
    Date of Patent: February 8, 1994
    Assignee: Novo Nordisk A/S
    Inventors: Per Sauerberg, Preben H. Olesen
  • Patent number: 5284860
    Abstract: A novel triazole derivative for use in an insecticide has a general formula [I]: ##STR1## (wherein R.sup.1 is a lower alkyl group, R.sup.2 and R.sup.3 are same or different halogen atoms and X is a chlorine atom located at 2- or 6-position) and controls various injurious insects, particularly aphids without damaging crops.
    Type: Grant
    Filed: October 6, 1992
    Date of Patent: February 8, 1994
    Assignees: Kumiai Chemical Industry Co. Ltd., Ihara Chemical Industry Co., Ltd.
    Inventors: Masami Ozaki, Reijiro Honami, Takashi Yumita, Atsuhiko Ikeda, Naokazu Minoguchi, Norihiko Izawa, Tadayoshi Hirano
  • Patent number: 5281714
    Abstract: The compounds of the formula: ##STR1## in which X, Y and Z are, independently, hydrogen, halogen, hydroxy, nitro, cyano, carboxyl, trifluoromethyl, phenyl, amino, alkylamino, dialkylamino, alkyl, alkoxy or phenylalkyloxy; R.sub.1 is thienyl, imidazolyl, thiazolyl, pyridinyl, quinolinyl, pyrimidinyl, pyrazinyl, benzamidazolyl, phenylalkylpiperidinyl or morpholino or athaae analogous hetercyclic groups with from one to tahree substituents selected from halogen, hydroxy, nitro, cyano, carboxyl, trifluoromethyl, phenyl, amino, alkylamino of 1 to 6 carbon atoms, dialkylamino in which each alkyl group has 1 to 6 carbon atoms, alkyl of 1 to 6 carbon atoms, or alkoxy of 1 to 6 carbon atoms; R.sub.2 is hydrogen, alkyl, cycloalkyl, phenyl, benzyl or substituted phenyl or benzyl in which said substituent is alkyl, alkoxy, halogen, cyano, trifluoromethyl amino, nitro, alkylamino or dialkylamino; and a pharmaceutically acceptable salt thereof; are ACAT inhibitors, some of which possess antioxidant properties.
    Type: Grant
    Filed: December 30, 1992
    Date of Patent: January 25, 1994
    Assignee: American Home Products Corporation
    Inventors: William F. Fobare, Donald P. Strike
  • Patent number: 5281600
    Abstract: An antirheumatoid pharmaceutical composition containing a cyclic anthranilic acid derivative of the following formula, ##STR1## wherein R.sup.1, and R.sup.2 and R.sup.3 each independently indicate a hydrogen atom, halogen atom, lower alkyl group having 1 to 3 carbon atoms, lower alkoxy group having 1 to 3 carbon atoms, amino group, nitro group, hydroxy group, sulfonamide group, trifluoromethyl group, cyano group, carboxyl group, carbamoyl group, acetyl group, benzoylmethyl group which may be substituted, methylthio group, phenylethynyl group which may be substituted, ethynyl group which may be substituted, alkanoylamino group having 1 to 3 carbon atoms, benzoylamino group which may be substituted, alkylsulfonylamino group having 1 to 3 carbon atoms or phenylsulfonylamino group which may be substituted; R.sup.4 and R.sup.
    Type: Grant
    Filed: August 14, 1992
    Date of Patent: January 25, 1994
    Assignee: Kyorin Pharmaceutical Co., Ltd.
    Inventors: Eisuke Kojima, Shizuyoshi Fujimori, Katsuya Awano
  • Patent number: 5278176
    Abstract: Selective and potent nicotinic agonists of the formula: ##STR1## including pharmaceutically-acceptable salts or prodrugs thereof, useful in the treatment of dementias, attentional hyperactivity disorder, anxiety associated with cognitive impairment, or substance abuse withdrawal characterized by decreased cholinergic function.
    Type: Grant
    Filed: August 21, 1992
    Date of Patent: January 11, 1994
    Assignee: Abbott Laboratories
    Inventor: Nan-Horng Lin
  • Patent number: 5278134
    Abstract: The present invention relates to new 3-(aminooxoacetyl)-2-(2-imidazolin-2-yl)pyridines and their salts, having herbicidal activity.
    Type: Grant
    Filed: October 27, 1992
    Date of Patent: January 11, 1994
    Assignee: Korea Research Institute of Chemical Technology
    Inventors: Dae W. Kim, Hae S. Chang, Dong J. Jeon, Jae W. Ryu, In T. Hwang
  • Patent number: 5274099
    Abstract: The novel compounds of the formulas I and I' ##STR1## wherein F is in 5 or 6 position and ##STR2## wherein in both formulas R is the group --CH.sub.2 OCOOR.sup.1, wherein R.sup.1 is a straight or branched alkyl containing 1-6 carbon atoms or benzyl, or R.sup.1 is the group --(CH.sub.2).sub.n ##STR3## --(CH.sub.2).sub.n COOH or --(CH.sub.2).sub.n SO.sub.3 H wherein n is 1-6 and physiologically acceptable salts thereof as well as intermediates, pharmaceutical compositions containing such compounds as active ingredient, and the use of the compounds in medicine.
    Type: Grant
    Filed: December 7, 1990
    Date of Patent: December 28, 1993
    Assignee: Aktiebolaget Hassle
    Inventors: Arne E. Brandstroom, Per L. Lindberg, Gunnel E. Sunden
  • Patent number: 5272161
    Abstract: Indolesulphonamide-substituted dihydropyridines can be prepared by reaction of dihydropyridinecarboxylic acids with hydroxy-substituted indolesulphonamides, or by reaction of amino- or hydroxy-substituted dihydropyridines with indolesulphonamidecarboxylic acids. The indolesulphonamide-substituted dihydropyridines can be employed as active substances in medicaments for the treatment of cardiac, circulatory and thromboedabolic disorders.
    Type: Grant
    Filed: September 9, 1992
    Date of Patent: December 21, 1993
    Assignee: Bayer Aktiengesellschaft
    Inventors: Ulrich Niewohner, Siegfried Goldmann, Ulrich Muller, Andreas Knorr, Elisabeth Perzborn, Matthias Schramm, Bernhard Beckermann
  • Patent number: 5266556
    Abstract: There are disclosed novel arylindazole derivatives of the formula: ##STR1## and agrochemically acceptable salts thereof. Also disclosed are a herbicidal composition including the above arylindazole derivative as an active ingredient and a method for exterminating undesired weeds by the application of a herbicidally effective amount of the above arylindazole derivative to an area where the undesired weeds grow or will grow.
    Type: Grant
    Filed: November 23, 1992
    Date of Patent: November 30, 1993
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Masayuki Enomoto, Susumu Takemura, Masaharu Sakaki, Satoru Kizawa, Eiki Nagano
  • Patent number: 5264444
    Abstract: The present invention relates to therapeutically active piperidine compounds, a method of preparing the same and to pharmaceutical compositions comprising the compounds. The novel compounds are useful as stimulants of the cognitive function of the forebrain and hippocampus of mammals and especially in the treatment of Alzheimer's disease, severe painful conditions and glaucoma.
    Type: Grant
    Filed: August 14, 1991
    Date of Patent: November 23, 1993
    Assignee: Novo Nordisk A/S
    Inventors: Per Sauerberg, Preben H. Olesen
  • Patent number: 5260311
    Abstract: The present invention relates to therapeutically active piperidine compounds, a method of preparing the same and to pharmaceutical compositions comprising the compounds. The novel compounds are useful as stimulants of the cognitive function of the forebrain and hippocampus of mammals and especially in the treatment of Alzheimer's disease, severe painful conditions and glaucoma.
    Type: Grant
    Filed: August 16, 1991
    Date of Patent: November 9, 1993
    Assignee: Novo Nordisk A/S
    Inventors: Per Sauerberg, Preben H. Olesen
  • Patent number: 5260321
    Abstract: Use of calcium antagonists of formula I ##STR1## wherein the substituents have various significances in the treatment of conditions related directly or indirectly to ionized calcium levels in the blood and combinations of calcium antagonists, e.g. of formula I, with calcitonins.
    Type: Grant
    Filed: July 12, 1991
    Date of Patent: November 9, 1993
    Assignee: Sandoz Ltd.
    Inventors: Robert P. Hof, Moise Azria
  • Patent number: 5260444
    Abstract: The present invention provides dihydropyridine derivatives represented by the following formula (I) ##STR1## and salts thereof. They have extremely strong, slow and long-acting vasodilating action and antihypertensive action with less adverse effects so that they are useful as therapeutic agents for cardiovascular diseases.
    Type: Grant
    Filed: November 16, 1992
    Date of Patent: November 9, 1993
    Assignee: Wakunaga Seiyaku Kabushiki Kaisha
    Inventors: Terukage Hirata, Yasushi Yoshimura, Masanori Kakimoto, Koichi Tamura, Harunobu Amagase
  • Patent number: 5256677
    Abstract: Compounds are disclosed which are retroviral protease inhibitors. Also disclosed are methods of using the compounds and compositions for inhibiting a retroviral protease and for treating an HIV infection.
    Type: Grant
    Filed: June 19, 1992
    Date of Patent: October 26, 1993
    Assignee: Abbott Laboratories
    Inventors: Hing L. Sham, Daniel W. Norbeck, Dale J. Kempf, Chen Zhao
  • Patent number: 5256673
    Abstract: Indole derivatives of the general formula I ##STR1## wherein Ind is an indol-3-yl radical which is substituted by a hydroxymethyl or COW group and can additionally be monosubstituted or disubstituted by alkyl, O-alkyl, OH, F, Cl or Br,W is H, OH, Oalkyl, NH.sub.2, NHalkyl or N(alkyl).sub.2,A is --(CH.sub.2).sub.n --, CH.sub.2 --S--CH.sub.2 CH.sub.2 --, --CH.sub.2 --SO--CH.sub.2 CH.sub.2 or --CH.sub.2 --SO.sub.2 --CH.sub.2 CH.sub.
    Type: Grant
    Filed: July 10, 1989
    Date of Patent: October 26, 1993
    Assignee: Merck Patent Gesellschaft mit beschrankter Haftung
    Inventors: Henning Bottcher, Hans-Heinrich Hausberg, Christoph Seyfried, Klaus-Otto Minck
  • Patent number: 5254692
    Abstract: 2,6-dialkyl-4-(benzothiazol- or benzoxazol-7-yl)-1,4-dihydropyridines which exhibit positive inotropic action with largely neutral vascular behavior, of the formula ##STR1## in which R.sup.1 and R.sup.5 are identical or different and represent straight-chain or branched alkyl having up to 8 carbon atoms,R.sup.2 represents nitro or cyano, orR.sup.1 and R.sup.2 together form a lactone ring of the formula ##STR2## R.sup.3 represents a radical of the formula ##STR3## and R.sup.4 represents hydrogen, orand physiologically acceptable salts thereof.
    Type: Grant
    Filed: October 15, 1992
    Date of Patent: October 19, 1993
    Assignee: Bayer Aktiengesellschaft
    Inventors: Siegfried Goldmann, Horst Boshagen, Jurgen Stoltefuss, Alexander Straub, Rainer Gross, Joachim Hutter, Siegbert Hebisch, Martin Bechem