Patents Represented by Attorney Stuart R. Suter
  • Patent number: 5328922
    Abstract: A class of compounds identified as N-(1-methyl-1H-indol-5-yl)-(2,3 or 4-pyridyl)ureas, derivatives thereof, methods for their preparation, pharmaceutical compositions containing same and their 5-HT receptor antagonist activity are believed to be of potential use in the treatment of a variety of CNS disorders are described herein.
    Type: Grant
    Filed: March 11, 1993
    Date of Patent: July 12, 1994
    Assignee: Beecham Group p.l.c.
    Inventors: Ian T. Forbes, Roger T. Martin
  • Patent number: 5324724
    Abstract: Azabicyclic compounds, processes for their preparation and their use in the treatment and/or prophylaxis of dementia in animals.
    Type: Grant
    Filed: September 1, 1992
    Date of Patent: June 28, 1994
    Assignee: Beecham Group p.l.c.
    Inventors: Barry S. Orlek, Richard E. Faulkner
  • Patent number: 5322951
    Abstract: An intermediate compound of Formula (V): ##STR1## wherein G is COQ.sub.1 and Q.sub.1 represents chloro, bromo, C.sub.1-4 alkoxy, PhO--, Cl.sub.5 C.sub.6 O--, Cl.sub.3 CO--, succinimidyloxy or imidazolyloxy; the remainder of the terms R.sub.1, R.sub.2, R.sub.3, R.sub.4, X and Y are defined in the specification. The intermediates of Formula V are useful for preparing 1-(2,3-dihydro-1-carboxamide final products wherein said final products possess 5-HT M-receptor antagonist activity.
    Type: Grant
    Filed: November 13, 1992
    Date of Patent: June 21, 1994
    Assignee: Beecham Group, p.l.c.
    Inventors: Francis D. King, Karen A. Joiner
  • Patent number: 5314918
    Abstract: This invention relates to alkanoic acid compounds having phenyl and heteroarylthio substituents which are useful as leukotriene antagonists, processes for the preparation thereof, 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: April 2, 1992
    Date of Patent: May 24, 1994
    Assignee: SmithKline Beecham Corporation
    Inventors: James S. Frazee, John G. Gleason, Ralph F. Hall
  • Patent number: 5314901
    Abstract: Compounds of formula (I) or a pharmaceutically acceptable salt thereof, wherein R.sub.1 represents a 1,2,5,6-tetrahydropyridin-3-yl group N-substituted by R.sub.10 wherein R.sub.10 represents hydrogen, C.sub.1-2 alkyl, prop-2-enyl, prop-2-ynyl or cyclopropyl, R.sub.2 is a group OR.sub.4, where R.sub.4 is C.sub.1-4 alkyl, C.sub.2-4 alkenyl, C.sub.2-4 alkynyl, a group OCOR.sub.5 where R.sub.5 is hydrogen or R.sub.4, or a group NHR.sub.6, or NR.sub.7 R.sub.8 where R.sub.6, R.sub.7 and R.sub.8 are independently C.sub.1-2 alkyl; and R.sub.3 is chloro, fluoro, bromo, methoxy, C.sub.1-3 alkyl substituted by one, two or three halogen atoms, or R.sub.3 is a group (CH.sub.2).sub.n R.sub.9 where R.sub.9 is --CN, --SH or --SCH.sub.3 and n is 0 or 1, with the proviso that when n is 0, R.sub.9 is not --SH; enhance acetylcholine function via an action at muscarinic receptors within the central nervous system and are therefore of potential use in the treatment and/or prophylaxis of dementia in mammals.
    Type: Grant
    Filed: February 23, 1993
    Date of Patent: May 24, 1994
    Assignee: Beecham Group p.l.c.
    Inventors: Steven M. Bromidge, Barry S. Orlek, Steven Dabbs
  • Patent number: 5308862
    Abstract: A new use of, and method of treatment using, a compound selected from the group consisting essentially of compounds of Formula I: ##STR1## wherein: R.sub.1 is hydrogen, lower alkanoyl of up to 6 carbon atoms or aroyl selected from benzoyl and naphthoyl;R.sub.2 is hydrogen, lower alkyl of up to 6 carbon atoms or arylalkyl selected from benzyl, phenylethyl and phenylpropyl;R.sub.3 is hydrogen or lower alkyl of up to 6 carbon atoms;R.sub.4 is hydrogen or lower alkyl of up to 6 carbon atoms, or when X is oxygen, R.sub.4 together with R.sub.5 can represent --CH.sub.2 --O--;X is a valency bond, --CH.sub.2, oxygen or sulfur;Ar is selected from phenyl, naphthyl, indanyl and tetrahydronaphthyl;R.sub.5 and R.sub.6 are individually selected from hydrogen, fluorine, chlorine, bromine, hydroxyl, lower alkyl of up to 6 carbon atoms, a --CONH.sub.
    Type: Grant
    Filed: March 5, 1993
    Date of Patent: May 3, 1994
    Assignee: Boehringer Mannheim Pharmaceuticals Corporation - SmithKline Beecham Corp., Ltd. Partnership No. 1
    Inventor: Eliot H. Ohlstein
  • Patent number: 5290933
    Abstract: This invention relates to phenylpyrimidone derivatives which have bronchodilator activity. A compound of the invention is N-methyl 1,6-dihydro-6-oxo-2-(2-propoxyphenyl)pyrimidine-5-carboxamide.
    Type: Grant
    Filed: November 14, 1991
    Date of Patent: March 1, 1994
    Assignee: SmithKline & French Laboratories Limited
    Inventor: William J. Coates
  • Patent number: 5288900
    Abstract: This invention relates to certain salts of leukotriene antagonists and the use of certain amines to form these salts as a means for selectively crystallizing optical isomers of the leukotriene antagonists recited herein.
    Type: Grant
    Filed: April 22, 1993
    Date of Patent: February 22, 1994
    Assignee: Smithkline Beecham Corporation
    Inventors: Trevor Laird, Robert J. Mills
  • Patent number: 5280026
    Abstract: Thienopyrimidine compounds are disclosed as inhibitors of the H.sup.+ K.sup.+ ATPase enzyme useful in the treatment of gastric acid secretion. A compound of the invention is 2-(2-methylphenylamino)-4-(N-methylphenylamino)thieno[3,2-d]pyrimidine.
    Type: Grant
    Filed: November 24, 1992
    Date of Patent: January 18, 1994
    Assignee: SmithKline Beecham Intercredit B.V.
    Inventors: Thomas H. Brown, Robert J. Ife, Colin A. Leach
  • Patent number: 5279939
    Abstract: This invention relates to novel protein protease inhibitors as well as DNAs encoding same and vectors and transformed host cells useful for the recombinant production of the inhibitors.
    Type: Grant
    Filed: June 3, 1992
    Date of Patent: January 18, 1994
    Assignee: SmithKline Beecham Corporation
    Inventors: Thomas R. Berka, James A. Fornwald, Joselina G. Gorniak, Martin Rosenberg, James E. Strickler, Dean P. Taylor
  • Patent number: 5252216
    Abstract: This invention relates to the application of combination chromatography to the purification of complement receptor proteins.
    Type: Grant
    Filed: March 24, 1992
    Date of Patent: October 12, 1993
    Assignee: SmithKline Beecham Corporation
    Inventors: Gail Folena-Wasserman, John H. O'Grady, Thomas M. Smith, John Lifter
  • Patent number: 5250688
    Abstract: A compound of formula (I) ##STR1## or a salt thereof, wherein R.sub.1 and R.sub.2 are each independently hydrogen, acyl or phosphate, provided that when one of R.sub.1 or R.sub.2 is phosphate, the other is hydrogen; or R.sub.1 and R.sub.2 are joined together to form a cyclic acetal group, a cyclic carbonate group or a cyclic phosphate group.Processes for preparing these compounds and their use in therapy is also described.
    Type: Grant
    Filed: January 22, 1992
    Date of Patent: October 5, 1993
    Assignee: Beecham Group p.l.c.
    Inventors: Michael R. Harnden, Richard L. Jarvest
  • Patent number: 5246937
    Abstract: The present invention provides antiviral compounds of Formula (I): ##STR1## pharmaceutical compositions prepared therefrom, and methods of treatment of viral infections therewith.
    Type: Grant
    Filed: January 22, 1992
    Date of Patent: September 21, 1993
    Assignee: Beecham Group p.l.c.
    Inventors: Michael R. Harnden, Richard L. Jarvest
  • Patent number: 5242809
    Abstract: A recombinant DNA molecule comprising the Streptomyces gal operon galK gene; galE gene; galT gene; P1 promoter, P2 promoter, P2 promoter expression unit; P1 promoter regulated region; or the entire Streptomyces gal operon.
    Type: Grant
    Filed: October 27, 1992
    Date of Patent: September 7, 1993
    Assignee: SmithKline Beecham Corporation
    Inventors: Craig W. Adams, Mary E. Brawner, James A. Fornwald, Francis J. Schmidt
  • Patent number: 5230899
    Abstract: Liposome-forming materials containing a long chain aliphatic or aromatic-based acid or amine, hydrating agents and discrete amounts of water form gels which are useful drug delivery systems and spontaneously form highly stable liposomes in aqueous solution having very high capture efficiency.
    Type: Grant
    Filed: June 14, 1991
    Date of Patent: July 27, 1993
    Assignee: SmithKline Beecham Corporation
    Inventors: John Y. Park, Shurl A. Thompson
  • Patent number: 5216161
    Abstract: A process for the preparation of 2,5-diamino-4,6-dichloropyrimidine, which process comprises the chlorination of 2,5-diamino-4,6-dihydroxypyrimidine with phosphorus oxychloride and a quaternary ammonium chloride or a weak tertiary amine base hydrochloride.
    Type: Grant
    Filed: January 16, 1992
    Date of Patent: June 1, 1993
    Assignee: Beecham Group p.l.c.
    Inventor: John C. Hanson
  • Patent number: D336852
    Type: Grant
    Filed: May 28, 1991
    Date of Patent: June 29, 1993
    Assignee: Beecham, Inc.
    Inventor: Robert W. Pritchard
  • Patent number: D341315
    Type: Grant
    Filed: March 26, 1992
    Date of Patent: November 16, 1993
    Assignee: SmithKline Beecham Plc
    Inventor: Richard W. Seymour
  • Patent number: D342022
    Type: Grant
    Filed: May 28, 1991
    Date of Patent: December 7, 1993
    Assignee: Beecham, Inc.
    Inventor: Robert W. Pritchard
  • Patent number: D347996
    Type: Grant
    Filed: April 15, 1992
    Date of Patent: June 21, 1994
    Assignee: SmithKline Beecham plc
    Inventor: Keith Marriage