Patents by Inventor Robert W. Guthrie

Robert W. Guthrie has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Publication number: 20020052512
    Abstract: A compound of formula 1a 1
    Type: Application
    Filed: June 12, 2001
    Publication date: May 2, 2002
    Inventors: Nader Fotouhi, Paul Gillespie, Robert W. Guthrie, Sherrie L. Pietranico-Cole, Weiya Yun
  • Patent number: 5344843
    Abstract: The invention relates to compounds of the formula ##STR1## wherein R.sub.1, R.sub.2, R.sub.2 ' X, Y, Z, A, B, Q and n are as described herein. Their pharmaceutically acceptable salts, and when appropriate, enantiomers, racemates, diastereomers or mixtures thereof or geometric isomer or mixtures thereof, and pharmaceutically acceptable salts thereof. The compounds of formula I inhibit enzyme carnitine acyltransferase 1 (CAT-1) and are therefore useful in the prevention of injury to ischemic tissue, and can limit infarct size, improve cardiac function and prevent arrhythmias during and following a myocardial infarction.
    Type: Grant
    Filed: March 13, 1992
    Date of Patent: September 6, 1994
    Assignee: Hoffman-La Roche Inc.
    Inventors: Robert W. Guthrie, John G. Mullin, Jr., David F. Kachensky, Richard W. Kierstead, Jefferson W. Tilley, Guy P. Heathers, Alan J. Higgins, Ronald A. LeMahieu
  • Patent number: 4975438
    Abstract: Compounds of the formula ##STR1## Y is O or S, *A is paraphenylene or *--(CH.sub.2).sub.n --(X).sub.m --(CH.sub.2).sub.r --, X is O, S or --CH.dbd.CH--, n or r, independently, are integers from 0 to 3, s is an integer from 0 to 1, m is an integer from 0 to 1, provided that when m is 1, n+s must be at least 2, R.sub.1 and R.sub.2, independently, are hydrogen, lower alkyl, cycloalkyl, lower alkenyl, Het, Aryl, R.sub.3, R.sub.4 and R.sub.8, independently, are hydrogen, lower alkyl, aryl, R.sub.5 and R.sub.6, independently, are hydrogen or lower alkyl, R.sub.7 is hydrogen, lower alkyl, cycloalkyl, Het-lower alkyl or aryl, Het is a monocyclic 5- or 6-membered hetero aromatic or a bicyclic heteroaromatic radical containing one or two hetero atoms selected from nitrogen, oxygen and sulfur, which radical may be substituted by lower alkyl, halogen or aryl, and the asterisk denotes the point of attachment,and when R.sub.6 and R.sub.7 are different, their enantiomers and racemic mixtures thereof, when R.sub.1 and R.sub.
    Type: Grant
    Filed: September 6, 1988
    Date of Patent: December 4, 1990
    Assignee: Hoffmann-La Roche Inc.
    Inventors: Robert W. Guthrie, Richard W. Kierstead, Jefferson W. Tilley
  • Patent number: 4927826
    Abstract: The invention relates to compounds of the formula ##STR1## Y is O or S, *A is paraphenylene or *--(CH.sub.2).sub.n --(X).sub.m --(CH.sub.2).sub.r --, X is O, S or --CH.dbd.CH--, n or r, independently, are integers from 0 to 3, s is an integer from 0 to 1, m is an integer from 0 to 1, provided that when m is 1, n+s must be at least 2, R.sub.1 and R.sub.2, independently, are hydrogen, lower alkyl, cycloalkyl, lower alkenyl. Het or aryl, *E is ##STR2## or --(CH.sub.2).sub.k -- wherein k is an integer fro 0 to 4. R.sub.3, R.sub.4 and R.sub.8 are independently hydrogen or lower alkyl, R.sub.5 and R.sub.6, independently are hydrogen or lower alkyl, R.sub.
    Type: Grant
    Filed: August 30, 1988
    Date of Patent: May 22, 1990
    Assignee: Hoffman-La Roche Inc.
    Inventors: Robert W. Guthrie, Richard W. Kierstead, Jefferson W. Tilley
  • Patent number: 4927838
    Abstract: The invention relates to compounds of the formula ##STR1## wherein Y and Y' are hydrogen or taken together are O or S, *A is paraphenylene or *----(CH.sub.2).sub.n --(X).sub.s --(CH.sub.2).sub.r ----, X is O, S or --CH.dbd.CH--, n or r, independently, are integers from 0 to 3, m is an integer from 0 to 1, s is an integer from 0 to 1, provided that when s is 1, n+m must be at least 2, t is an integer from 0 to 10, R.sub.1 and R.sub.2, independently, are lower alkyl, lower alkenyl or aryl, or one of R.sub.1 or R.sub.2 is hydrogen and the other is ##STR2## wherein W is ##STR3## --CH.sub.2 --CH.sub.2 --, --CH.sub.2 --, O, S, or ##STR4## and X.sub.1 is lower alkyl, phenyl unsubstituted or mono-, di- or trisubstituted by lower alkoxy, lower alkyl or halogen, and X.sub.2, X.sub.3 and X.sub.4, independently, are hydrogen, lower alkyl, lower alkoxy or halogen, R.sub.3 is hydrogen, lower alkyl or aryl, R.sub.4 is hydrogen, lower alkyl, aryl, aryl-lower alkyl or acyl, R.sub.5 is hydrogen or lower alkyl,R.sub.
    Type: Grant
    Filed: July 5, 1988
    Date of Patent: May 22, 1990
    Assignee: Hoffman-La Roche Inc.
    Inventors: Robert W. Guthrie, Richard W. Kierstead, John G. Mullin, Jefferson W. Tilley
  • Patent number: 4916145
    Abstract: The invention relates to compounds of the formula ##STR1## wherein *B is ##STR2## Y is O or S, *A is *--(CH.sub.2).sub.n --(X).sub.m --(CH.sub.2).sub.r --, n or r, independently, are integers from 0 to 3, m is an integer from 0 to 1, provided that when m is 1, then n must be at least 1, X is O or S, R.sub.1 and R.sub.4, independently, are hydrogen, lower alkyl, hydroxy or lower alkoxy, provided that when *B is other than ##STR3## at least one of R.sub.1 and R.sub.4, and one of R.sub.6 and R.sub.7 must be hydrogen, R.sub.2 and R.sub.3 are independently hydrogen, lower alkyl, cycloalkyl, halogen, nitro, lower alkoxy, lower alkenyl, lower alkynyl or aryl, R.sub.5 and R.sub.6, independently are hydrogen or lower alkyl, R.sub.
    Type: Grant
    Filed: July 10, 1987
    Date of Patent: April 10, 1990
    Assignee: Hoffmann-La Roche Inc.
    Inventors: Jefferson W. Tilley, Robert W. Guthrie, John W. Clader, Ronald A. LeMahieu
  • Patent number: 4788206
    Abstract: Compounds of the formula ##STR1## Y is O ir S, *A is paraphenylene or *----(CH.sub.2)n----(X).sub.m --(CH.sub.2).sub.r ----, X is O, S or --CH.dbd.CH--, n or r, independently, are integers from 0 to 3, s is an integer from 0 to 1, m is an integer from 0 to 1, provided that when m is 1, n+s must be at least 2, R.sub.1 and R.sub.2, independently, are hydrogen, lower alkyl, cycloalkyl, lower alkenyl, Het, aryl, R.sub.3, R.sub.4 and R.sub.8, independently, are hydrogen, lower alkyl, aryl, R.sub.5 and R.sub.6, independently, are hydrogen or lower alkyl, R.sub.7 is hydrogen, lower alkyl, cycloalkyl, Het-lower alkyl or aryl, Het is a monocyclic 5- or 6-membered hetero aromatic or a bicyclic heteroaromatic radical containing one or two hetero atoms selected from nitrogen, oxygen and sulfur, which radical may be substituted by lower alkyl, halogen or aryl, and the asterisk denotes the point of attachment,and when R.sub.6 and R.sub.7 are different, their enantiomers and racemic mixtures thereof, when R.sub.1 and R.sub.
    Type: Grant
    Filed: July 10, 1987
    Date of Patent: November 29, 1988
    Assignee: Hoffmann-La Roche Inc.
    Inventors: Robert W. Guthrie, Richard W. Kierstead, Jefferson W. Tilley
  • Patent number: 4786646
    Abstract: The invention relates to compounds of the formula ##STR1## Y is O or S, *A is paraphenylene or *--(CH.sub.2).sub.n --(X).sub.m --(CH.sub.2).sub.r --, X is O, S or --CH.dbd.CH--, n or r, independently, are integers from 0 to 3, s is an integer from 0 to 1, m is an integer from 0 to 1, provided that when m is 1, n+s must be at least 2, R.sub.1 and R.sub.2, independently, are hydrogen, lower alkyl, cycloalkyl, lower alkenyl, Het or aryl, *E is ##STR2## or --(CH.sub.2).sub.k -- wherein k is an integer from 0 to 4, R.sub.3, R.sub.4 and R.sub.8 are independently hydrogen or lower alkyl, R.sub.5 and R.sub.6, independently are hydrogen or lower alkyl, R.sub.
    Type: Grant
    Filed: July 10, 1987
    Date of Patent: November 22, 1988
    Assignee: Hoffmann-La Roche Inc.
    Inventors: Robert W. Guthrie, Richard W. Kierstead, Jefferson W. Tilley
  • Patent number: 4595689
    Abstract: A method of treating inflammation which comprises topically administering to the affected area a compound of the formula ##STR1## or a pharmaceutically acceptable addition salt thereof, is described.
    Type: Grant
    Filed: February 9, 1984
    Date of Patent: June 17, 1986
    Assignee: Hoffmann-LaRoche Inc.
    Inventors: Alfred Boris, Robert W. Guthrie, Richard W. Kierstead
  • Patent number: 4471116
    Abstract: Substituted (10H-phenothiazin-10-yl)propyl-1-piperazines of the formula ##STR1## wherein R.sub.1, R.sub.2, R.sub.3, A, X, m, n and s are as hereinafter set forth,are described. The compounds of formula I, which contain a piperazine moiety combined by an ether linkage to different phenolic moieties, are useful as orally active long lasting antipsychotic agents.
    Type: Grant
    Filed: July 28, 1982
    Date of Patent: September 11, 1984
    Assignee: Hoffmann-La Roche Inc.
    Inventors: Arnold B. Davidson, Robert W. Guthrie, Richard W. Kierstead, Albert Ziering
  • Patent number: 4443619
    Abstract: The present invention relates to chlorocitric acids of the formula ##STR1## and stereoisomers, optical antipodes and pharmaceutically acceptable salts thereof, to methods of preparation thereof, including intermediates involved therein, and to their use as anorectic agents for the treatment of obesity in mammals.
    Type: Grant
    Filed: August 7, 1981
    Date of Patent: April 17, 1984
    Assignee: Hoffmann-La Roche Inc.
    Inventors: Robert W. Guthrie, Richard W. Kierstead, Francis A. Mennona, Ann C. Sullivan
  • Patent number: 4365070
    Abstract: The present invention relates to chlorocitric acids of the formula ##STR1## and stereoisomers, optical antipodes and pharmaceutically acceptable salts thereof, to methods of preparation thereof, including intermediates involved therein, and to their use as anorectic agents for the treatment of obesity in mammals.
    Type: Grant
    Filed: October 16, 1981
    Date of Patent: December 21, 1982
    Assignee: Hoffmann-La Roche Inc.
    Inventors: Robert W. Guthrie, Richard W. Kierstead, Francis A. Mennona, Ann C. Sullivan
  • Patent number: 4354039
    Abstract: The present invention relates to chlorocitric acids of the formula ##STR1## and stereoisomers, optical antipodes and pharmaceutically acceptable salts thereof, to methods of preparation thereof, including intermediates involved therein, and to their use as anorectic agents for the treatment of obesity in mammals.
    Type: Grant
    Filed: September 21, 1981
    Date of Patent: October 12, 1982
    Assignee: Hoffmann-La Roche Inc.
    Inventors: Robert W. Guthrie, Richard W. Kierstead, Francis A. Mennona, Ann C. Sullivan
  • Patent number: 4352758
    Abstract: The present invention relates to chlorocitric acids of the formula ##STR1## and stereoisomers, optical antipodes and pharmaceutically acceptable salts thereof, to methods of preparation thereof, including intermediates involved therein, and to their use as anorectic agents for the treatment of obesity in mammals.
    Type: Grant
    Filed: August 7, 1981
    Date of Patent: October 5, 1982
    Assignee: Hoffmann-La Roche Inc.
    Inventors: Robert W. Guthrie, Richard W. Kierstead, Francis A. Mennona, Ann C. Sullivan
  • Patent number: 4340754
    Abstract: The present invention relates to chlorocitric acids of the formula ##STR1## and stereoisomers, optical antipodes and pharmaceutically acceptable salts thereof, to methods of preparation thereof, including intermediates involved therein, and to their use as anorectic agents for the treatment of obesity in mammals.
    Type: Grant
    Filed: September 21, 1981
    Date of Patent: July 20, 1982
    Assignee: Hoffmann-La Roche Inc.
    Inventors: Robert W. Guthrie, Richard W. Kierstead, Francis A. Mennona, Ann C. Sullivan
  • Patent number: 4336382
    Abstract: There are disclosed compounds of the formula ##STR1## wherein R.sub.1 is selected from the group consisting of lower alkyl; R.sub.8 is selected from the group consisting of --O--(CH.sub.2).sub.n --wherein n is 2 to 20, ##STR2## and R.sub.6 is selected from the group consisting of hydrogen or lower alkoxy, and ##STR3## wherein R.sub.1 is selected from the group consisting of lower alkyl; R.sub.8 is selected from the group consisting of --O--(CH.sub.2).sub.n --wherein n is 2 to 20, ##STR4## and R.sub.6 is selected from the group consisting of hydrogen or lower alkoxy and racemates thereof.There are also disclosed processes and intermediates utilized to produce the end products.The end products have utility as agents exhibiting both .alpha. and selective .beta. adrenergic blocking action.
    Type: Grant
    Filed: August 25, 1980
    Date of Patent: June 22, 1982
    Assignee: Hoffmann-La Roche Inc.
    Inventors: Kenneth E. Fahrenholtz, Robert W. Guthrie, Richard W. Kierstead, Jefferson W. Tilley
  • Patent number: 4329289
    Abstract: There are disclosed compounds of the formula ##STR1## wherein R.sub.1 is selected from the group consisting of lower alkyl; R.sub.8 is selected from the group consisting of --O--(CH.sub.2).sub.n-- wherein n is 2 to 20, ##STR2## and R.sub.6 is selected from the group consisting of hydrogen or lower alkoxy, and ##STR3## wherein R.sub.1 is selected from the group consisting of lower alkyl; R.sub.8 is selected from the group consisting of --O--(CH.sub.2).sub.n-- wherein n is 2 to 20, ##STR4## and R.sub.6 is selected from the group consisting of hydrogen or lower alkoxy and racemates thereof.There are also disclosed processes and intermediates utilized to produce the end products.The end products have utility as agents exhibiting both .alpha. and selective .beta. adrenergic blocking action.
    Type: Grant
    Filed: July 29, 1981
    Date of Patent: May 11, 1982
    Assignee: Hoffmann-La Roche Inc.
    Inventors: Kenneth E. Fahrenholtz, Robert W. Guthrie, Richard W. Kierstead, Jefferson W. Tilley
  • Patent number: 4314085
    Abstract: There are disclosed compounds of the formula ##STR1## wherein R.sub.1 is selected from the group consisting of lower alkyl; R.sub.8 is selected from the group consisting of --O--(CH.sub.2).sub.n -wherein n is 2 to 20, ##STR2## and R.sub.6 is selected from the group consisting of hydrogen or lower alkoxy, and ##STR3## wherein R.sub.1 is selected from the group consisting of lower alkyl; R.sub.8 is selected from the group consisting of --O--(CH.sub.2).sub.n -- wherein n is 2 to 20, ##STR4## and R.sub.6 is selected from the group consisting of hydrogen or lower alkoxy and racemates thereof.There are also disclosed processes and intermediates utilized to produce the end products.The end products have utility as agents exhibiting both .alpha. and selective .beta. adrenergic blocking action.
    Type: Grant
    Filed: August 22, 1980
    Date of Patent: February 2, 1982
    Assignee: Hoffmann-La Roche Inc.
    Inventors: Kenneth E. Fahrenholtz, Robert W. Guthrie, Richard W. Kierstead, Jefferson W. Tilley
  • Patent number: 4312885
    Abstract: The present invention relates to chlorocitric acids of the formula ##STR1## and stereoisomers, optical antipodes and pharmaceutically acceptable salts thereof, to methods of preparation thereof, including intermediates involved therein, and to their use as anorectic agents for the treatment of obesity in mammals.
    Type: Grant
    Filed: December 26, 1978
    Date of Patent: January 26, 1982
    Assignee: Hoffmann-La Roche Inc.
    Inventors: Robert W. Guthrie, Richard W. Kierstead, Francis A. Mennona, Ann C. Sullivan
  • Patent number: 4304721
    Abstract: There are disclosed compounds of the formula ##STR1## wherein R.sub.1 is selected from the group consisting of lower alkyl; R.sub.8 is selected from the group consisting of --O--(CH.sub.2).sub.n -- wherein n is 2 to 20, ##STR2## and R.sub.6 is selected from the group consisting of hydrogen or lower alkoxy, and ##STR3## wherein R.sub.1 is selected from the group consisting of lower alkyl; R.sub.8 is selected from the group consisting of --O--(CH.sub.2).sub.n -- wherein n is 2 to 20, ##STR4## and R.sub.6 is selected from the group consisting of hydrogen or lower alkoxy and racemates thereof.There are also disclosed processes and intermediates utilized to produce the end products.The end products have utility as agents exhibiting both .alpha. and selective .beta. adrenergic blocking action.
    Type: Grant
    Filed: August 22, 1980
    Date of Patent: December 8, 1981
    Assignee: Hoffmann-La Roche Inc.
    Inventors: Kenneth E. Fahrenholtz, Robert W. Guthrie, Richard W. Kierstead, Jefferson W. Tilley