Patents Represented by Attorney Stuart R. Suter
  • Patent number: 5214201
    Abstract: This invention relates to certain salts of leukotriene antagonists and the use of a particular amine to form these salts as a means for selectively crystallizing optical isomers of the leukotriene antagonists disclosed herein.
    Type: Grant
    Filed: December 12, 1991
    Date of Patent: May 25, 1993
    Assignee: SmithKline Beecham Corporation
    Inventor: Robert J. Mills
  • Patent number: 5200406
    Abstract: Imidazole derivatives are described which are useful in restoring learning and treating memory difficulties. A compound of the invention is 2,5-dioxohexahydro-1H-pyrrolo[1,2-a]imidazole.
    Type: Grant
    Filed: April 3, 1992
    Date of Patent: April 6, 1993
    Assignee: I.S.F. Societa per Azioni
    Inventors: Mario Pinza, Alberto Cerri, Carlo Farina, Maria T. Riccaboni
  • Patent number: 5200417
    Abstract: Isoquinoline compounds, compositions containing them and their use in the inhibition of gastric acid secretion in mammals. A compound of the invention is 1-[(2-Methoxyphenylmethyl)amino]isoquinoline hydrochloride.
    Type: Grant
    Filed: April 4, 1990
    Date of Patent: April 6, 1993
    Assignee: Smithkline Beecham Intercredit B.V.
    Inventors: Thomas H. Brown, Robert J. Ife, Colin A. Leach
  • Patent number: 5200413
    Abstract: Compounds of formula (I) and pharmaceutically acceptable salts thereof: ##STR1## wherein L is NH;X and Y are independently selected from hydrogen or C.sub.1-4 alkyl, or together are a bond;R.sub.1 and R.sub.2 are independently selected from hydrogen, C.sub.1-6 alkyl, C.sub.2-6 alkenyl-C.sub.1-4 alkyl, or together are C.sub.2-4 polymethylene;R.sub.3 and R.sub.4 are independently selected from hydrogen, halogen, CF.sub.3, C.sub.1-6 alkyl, C.sub.1-6 alkoxy, C.sub.1-6 alkylthio, C.sub.1-7 acyl, C.sub.1-7 acylamino, C.sub.1-6 alkylsulphonylamino, N-(C.sub.1-6 alkylsulphonyl)-N-C.sub.1-4 alkylamino, C.sub.1-6 alkylsulphinyl, hydroxy, nitro or amino, aminocarbonyl, aminosulphonyl, aminosulphonylamino or N-(aminosulphonyl)-C.sub.1-4 alkylamino optionally N-substituted by one or two groups selected from C.sub.1-6 alkyl, C.sub.3-8 cycloalkyl, C.sub.3-8 cycloalkyl C.sub.1-4 alkyl, phenyl or phenyl C.sub.1-4 alkyl groups or optionally N-disubstituted by C.sub.
    Type: Grant
    Filed: August 5, 1991
    Date of Patent: April 6, 1993
    Assignee: Beecham Group p.l.c.
    Inventors: Francis D. King, Karen A. Joiner
  • Patent number: 5188839
    Abstract: The invention provides a pharmaceutical granule comprising cimetidine and 2-20% (w/w) relative to the cimetidine of a co-polymer of dimethylaminoethylmethacrylate and neutral methacrylic acid esters. Compositions of this invention have good palatability and dissolution characteristics.
    Type: Grant
    Filed: January 4, 1989
    Date of Patent: February 23, 1993
    Assignee: Smith Kline & French Laboratories Ltd.
    Inventor: Kevin E. Pearmain
  • Patent number: 5189226
    Abstract: This invention relates to certain 2-substituted benzaldehydes which are useful intermediates for preparing certain diacids which are useful as leukotriene antagonists.
    Type: Grant
    Filed: March 20, 1990
    Date of Patent: February 23, 1993
    Assignee: SmithKline Beecham Corporation
    Inventors: Ralph F. Hall, John F. Newton, Kathleen A. Phipps, Joanne Smallheer
  • Patent number: 5176901
    Abstract: Dentifrices containing cationic antibacterial agents are disclosed herein.
    Type: Grant
    Filed: April 10, 1991
    Date of Patent: January 5, 1993
    Assignee: SmithKline Beecham Corporation
    Inventors: Andrew R. Gallopo, Nader I. Ibrahim, Salvatore Mazzanobile
  • Patent number: 5155225
    Abstract: A method for making 8-methyl-7-(1-oxopropyl)indolizino[1,2-b]quinolin-9(11H)-ones from 4-ethyl-4-hydroxy-1H-pyrano[3',4':6,7]indolizino[1,2-b]quinolin-3,14(4H,12 H)-diones, said method being graphically illustrated as follows: ##STR1##
    Type: Grant
    Filed: September 28, 1990
    Date of Patent: October 13, 1992
    Assignee: SmithKline Beecham Corporation
    Inventors: Joseph M. Fortunak, Mark Mellinger, Jeffery L. Wood
  • Patent number: 5145858
    Abstract: Compounds comprising pyridyl and phenyl substituted pyrrolo[1,2-a]imidazole derivatives and pyridyl and phenyl substituted imidazo[1,2-a]pyridine derivatives, pharmaceutical compositions containing said compounds, and their use as 5-lipoxygenase pathway inhibitors.
    Type: Grant
    Filed: December 26, 1991
    Date of Patent: September 8, 1992
    Assignee: SmithKline Beecham Corp.
    Inventors: Jerry L. Adams, Paul E. Bender, John G. Gleason, Nabil Hanna, John F. Newton, Jr., Carl D. Perchonock
  • Patent number: 5143931
    Abstract: This invention relates to alkanoic acid compounds having phenyl and heteroarylthio substituents which are useful as leukotriene antagonists and pharmaceutical compositions containing such compounds. This invention also relates to methods of treating diseases in which leukotrienes are a factor by administration of an effective amount of the above compounds or compositions.
    Type: Grant
    Filed: December 21, 1990
    Date of Patent: September 1, 1992
    Assignee: SmithKline Beecham Corporation
    Inventors: John G. Gleason, Ralph F. Hall, Irene Uzinskas
  • Patent number: 5143920
    Abstract: Substituted 4-aminoquinazoline derivatives of the formula: ##STR1## wherein R.sup.1 is hydrogen, C.sub.1-6 alkyl, C.sub.1-6 alkoxy, C.sub.1-6 alkoxy C.sub.1-6 alkyl,C.sub.3-6 cycloalkyl, C.sub.3-6 cycloalkyl C.sub.1-6 alkyl, phenyl C.sub.1-6 alkyl, the phenyl group being optionally substituted;R.sup.2 is hydrogen, C.sub.1-6 alkyl, C.sub.1-6 alkoxy, amino, C.sub.1-6 alkylthio, halogen, cyano, hydroxy, C.sub.1-6 alkanoyl or trifuromethyl;m is 1 to 3;R.sup.3 is hydrogen, C.sub.1-6 alkyl, phenyl, C.sub.1-6 alkoxy, C.sub.1-6 alkylthio, C.sub.1-6 alkanoyl, amino, C.sub.1-6 alkylamino, ci-C.sub.1-6 alkylamino, halogen, trifluoromethyl or cyano;n is 1 or 2; andR.sup.4 is hydrogen; or a salt thereof are useful as inhibitors of gastric acid secretion.
    Type: Grant
    Filed: February 23, 1989
    Date of Patent: September 1, 1992
    Assignee: SmithKline Beckman Intercredit B.V.
    Inventors: Robert J. Ife, Thomas H. Brown, Colin A. Leach
  • Patent number: 5135938
    Abstract: Leukotriene antagonist thiadiazoles have been prepared.
    Type: Grant
    Filed: March 30, 1990
    Date of Patent: August 4, 1992
    Assignee: SmithKline Beecham Corporation
    Inventors: John G. Gleason, Ralph F. Hall, Irene Uzinskas
  • Patent number: 5134150
    Abstract: A method of inhibiting the 5-lipoxygenase pathway in an animal in need thereof which comprises administering an effective, 5-lipoxygenase pathway inhibiting amount of a diaryl- substituted imidazole fused to a thiazole pyrrolidine, thiazide or piperidine ring to such animal.
    Type: Grant
    Filed: December 4, 1989
    Date of Patent: July 28, 1992
    Assignee: SmithKline Beecham Corporation
    Inventors: Paul E. Bender, John G. Gleason, Don E. Griswold, Nabil Hanna, Ivan Lantos, Kazys A. Razgaitis, Henry M. Sarau, Susan C. Shilcrat
  • Patent number: 5130135
    Abstract: This invention relates to an animal pour-on pesticidal formulation which comprises at least one pesticide selected from the group consisting of the synthetic pyrethroids, preferably cypermethrin, the organophosphates and the amidines, and at least one vegetable oil consisting of glycerides of carboxylic acids with carbon chain lengths of more than 14 carbon atoms e.g. sunflower oil, as carrier for the pesticide which carrier constitutes at least 70% m/v of the formulation. The formulation may optionally further include a synergist, preferably piperonylbutoxide and solvents such as diacetone alcohol and dibutylphthalate.
    Type: Grant
    Filed: August 17, 1990
    Date of Patent: July 14, 1992
    Assignee: Smithkline Beecham plc
    Inventor: Stephanus J. Van Tonder
  • Patent number: 5130327
    Abstract: Compounds of structure (1); ##STR1## and pharmaceutically acceptable salts are described, whereR is hydrogen or C.sub.1-4 alkyl,R' is hydrogen, C.sub.1-4 alkyl, or a C.sub.1-4 alkyl group substituted by an alkyne or allene group provided that R' is not methyl when R and R" are both hydrogen, andR" is hydrogen or a C.sub.1-4 alkyl group substituted by an alkyne or allene group.These compounds have anti-depressant activity. Processes for the preparation of the compounds, pharmaceutical compositions and methods of use, are described.
    Type: Grant
    Filed: October 2, 1990
    Date of Patent: July 14, 1992
    Assignee: Consejo Superior de Investigaciones Cientificas
    Inventors: Eldiberto F. Alvarez, Carlos E. Recalde, Maria Angeles C. Villalobos, Antonio Diaz Diaz, Carlos B. Barrios, Maria del Carmen O. Estomba
  • Patent number: 5118686
    Abstract: This invention relates to phenylpyrimidone derivatives which have bronchodilator activity. A compound of the invention is 4-cyano-6-hydroxy-2-(2-propoxyphenyl)pyrimidine.
    Type: Grant
    Filed: April 25, 1990
    Date of Patent: June 2, 1992
    Assignee: Smith Kline & French Laboratories Limited
    Inventors: William J. Coates, Derek A. Rawlings
  • Patent number: 5112922
    Abstract: Polymers bearing a quaternary ammonium group are disclosed as being useful in lowering serum cholesterol levels in man. A compound of the invention is N,N-dimethyl-N-(2-(N,N-dimethylcarbamoyl)ethyl)-ammoniomethyl-substitut ed polystyrene, chloride salt.
    Type: Grant
    Filed: June 12, 1990
    Date of Patent: May 12, 1992
    Assignee: Smith Kline & French Laboratories
    Inventors: Albert A. Jaxa-Chamiec, Deirdre M. B. Hickey
  • Patent number: 5110875
    Abstract: Polymers bearing a quaternary ammonium group are disclosed as being useful in lowering serum cholesterol levels in man. A compound of the invention is N-(2-N,N-dimethylamino)ethyl)-N,N-dimethylammoniomethyl-substituted polystyrene, chloride salt.
    Type: Grant
    Filed: June 12, 1990
    Date of Patent: May 5, 1992
    Assignee: Smith Kline & Franch Laboratories Limited
    Inventors: Albert A. Jaxa-Chamiec, Deirdre M. B. Hickey
  • Patent number: 5110939
    Abstract: Invented are 4-aza-5-alpha-8(14)-17 substituted-androsten-3-ones having an 8(14), 7(8), or 16(17) double bond, optionally also having a 1(2) double bond, pharmaceutical compositions containing the compounds, and methods of using these compounds to inhibit steroid 5-alpha-reductase.
    Type: Grant
    Filed: October 10, 1989
    Date of Patent: May 5, 1992
    Assignee: Smithkline Beecham Corporation
    Inventors: Dennis A. Holt, Mark A. Levy, Brian W. Metcalf
  • Patent number: 5110959
    Abstract: This invention relates to a process for preparing epoxy esters, and intermediates prepared by this process, in particular, to a process which produces non-racemic epoxy esters which are of use as intermediates in the preparation of pharmaceutical compounds.
    Type: Grant
    Filed: June 14, 1989
    Date of Patent: May 5, 1992
    Assignee: Smithkline Beckman Corp.
    Inventors: Joseph R. Flisak, Paul G. Gassman, Ivan Lantos, Wilford L. Mendelson