Patents by Inventor Susan F. Britcher

Susan F. Britcher 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).

  • Patent number: 5811423
    Abstract: Certain benzoxazinones are useful in the inhibition of HIV reverse transcriptase (including its resistant varieties), the prevention or treatment of infection by HIV and the treatment of AIDS, either as compounds, pharmaceutically acceptable salts, pharmaceutical composition ingredients, whether or not in combination with other antivirals, immunomodulators, antibiotics or vaccines. Methods of treating AIDS and methods of preventing or treating infection by HIV are also described.
    Type: Grant
    Filed: March 12, 1997
    Date of Patent: September 22, 1998
    Assignee: Merck & Co., Inc.
    Inventors: Steven D. Young, Linda S. Payne, Susan F. Britcher, Lekhanh O. Tran, William C. Lumma, Jr.
  • Patent number: 5665720
    Abstract: Certain benzoxazinones are useful in the inhibition of HIV reverse transcriptase (including its resistant varieties), the prevention or treatment of infection by HIV and the treatment of AIDS, either as compounds, pharmaceutically acceptable salts, pharmaceutical composition ingredients, whether or not in combination with other antivirals, immunomodulators, antibiotics or vaccines. Methods of treating AIDS and methods of preventing or treating infection by HIV are also described.
    Type: Grant
    Filed: June 2, 1995
    Date of Patent: September 9, 1997
    Assignee: Merck & Co., Inc.
    Inventors: Steven D. Young, Susan F. Britcher, Linda S. Payne, Lekhanh O. Tran, William C. Lumma, Jr.
  • Patent number: 5663169
    Abstract: Certain benzoxazinones are useful in the inhibition of HIV reverse transcriptase (including its resistant varieties), the prevention or treatment of infection by HIV and the treatment of AIDS, either as compounds, pharmaceutically acceptable saks, pharmaceutical composition ingredients, whether or not in combination with other antivirals, immunomodulators, antibiotics or vaccines. Methods of treating AIDS and methods of preventing or treating infection by HIV are also described.
    Type: Grant
    Filed: June 2, 1995
    Date of Patent: September 2, 1997
    Assignee: Merck & Co., Inc.
    Inventors: Steven D. Young, Linda S. Payne, Susan F. Britcher, Lekhanh O. Tran, William C. Lumma, Jr.
  • Patent number: 5519021
    Abstract: Certain benzoxazinones are useful in the inhibition of HIV reverse transcriptase (including its resistant varieties), the prevention or treatment of infection by HIV and the treatment of AIDS, either as compounds, pharmaceutically acceptable salts, pharmaceutical composition ingredients, whether or not in combination with other antivirals, immunomodulators, antibiotics or vaccines. Methods of treating AIDS and methods of preventing or treating infection by HIV are also described.
    Type: Grant
    Filed: June 2, 1995
    Date of Patent: May 21, 1996
    Assignee: Merck & Co., Inc.
    Inventors: Steven D. Young, Susan F. Britcher, Linda S. Payne, Lekhanh O. Tran, William C. Lumma, Jr.
  • Patent number: 5502053
    Abstract: Compounds of formula ##STR1## are HIV protease inhibitors, and are synthesized via a novel route. These compounds are useful in the prevention or treatment of infection by HIV and in the treatment of AIDS, either as compounds, pharmaceutically acceptable salts, pharmaceutical composition ingredients, whether or not in combination with other antivirals, immunomodulators, antibiotics or vaccines. Methods of treating AIDS and methods of preventing or treating infection by HIV are also described.
    Type: Grant
    Filed: August 23, 1994
    Date of Patent: March 26, 1996
    Assignee: Merck & Co., Inc.
    Inventors: Bruce D. Dorsey, Joel R. Huff, Susan F. Britcher
  • Patent number: 5171860
    Abstract: This invention is directed to diamino isothiazole -1-oxides and -1,1-dioxides and related compounds as well as pharmaceutical compositions and methods useful in the treatment of gastric secretion in mammals.
    Type: Grant
    Filed: November 12, 1991
    Date of Patent: December 15, 1992
    Assignee: Merck & Co., Inc.
    Inventors: Susan F. Britcher, William C. Lumma, Jr.
  • Patent number: 4996211
    Abstract: The present invention provides a compound of formula (I): ##STR1## or a pharmaceutically acceptable salt thereof, wherein one of R.sup.1, R.sup.2, R.sup.3 and R.sup.4 represents a hydrocarbon or hydrocarbyloxycarbonyl group and the remaining groups R.sup.1, R.sup.2, R.sup.3 and R.sup.4 independently represent hydrogen, hydrocarbon, hydrocarbyloxycarbonyl, halogen, hydroxy or C.sub.1-6 alkoxy, or R.sup.1 and R.sup.2 or R.sup.3 and R.sup.4 may together represent the residue of a carbocyclic ring; R.sup.5 and R.sup.6 independently represent hydrogen, hydrocarbon, hydroxy or fluoro; R.sup.7 represents hydrogen or C.sub.1-3 alkyl; and R.sup.8 represents methyl or ethyl; which compounds are useful as anticonvulsant agents and in the treatment of neurodegenerative diseases.
    Type: Grant
    Filed: August 12, 1988
    Date of Patent: February 26, 1991
    Assignee: Merck Sharp & Dohme Ltd.
    Inventors: Raymond Baker, Paul D. Leeson, Susan F. Britcher
  • Patent number: 4870079
    Abstract: Fluoro-and hydroxy-derivatives of 5-methyl-10,11-dihydro-5H-dibenzo[a,d]cyclohepten-5,10-imines wherein the substituents are on non-benzenoid carbons are active anticonvulsants and antagonists of N-methyl-D-aspartate.
    Type: Grant
    Filed: March 30, 1988
    Date of Patent: September 26, 1989
    Assignee: Merck & Co., Inc.
    Inventors: Susan F. Britcher, Wayne J. Thompson, Terry A. Lyle, Sandor L. Varga
  • Patent number: 4772622
    Abstract: Novel diamino oxadiazoles, wherein one of the amine functions is connected to a basicly-substituted heterocyclic group through a linear or cyclic connecting group, which are useful for the suppression of gastric acid secretions in mammals. Compositions employing these compounds and processes for the preparation of such compounds from known N-cyano-S-methylisothiourea precursors by treatment with hydroxylamine and for alkylation of amine groups are also disclosed.
    Type: Grant
    Filed: June 16, 1986
    Date of Patent: September 20, 1988
    Assignee: Merck & Co., Inc.
    Inventors: Susan F. Britcher, William C. Lumma, Jr.
  • Patent number: 4056536
    Abstract: 11H-Pyrrolo[2,1-b][3]benzazepin-11-one and derivatives thereof are generally prepared by Friedel-Crafts ring closure of a N-styrylpyrrole-2-carboxylic acid derivative. They are useful intermediates in the synthesis of skeletal muscle relaxants and tranquilizers such as 11-(3-dimethylaminopropylidene)-2-cyano-11H-pyrrolo[2,1-b][3]benzazepine.
    Type: Grant
    Filed: June 29, 1976
    Date of Patent: November 1, 1977
    Assignee: Merck & Co., Inc.
    Inventors: Joseph G. Atkinson, Patrice C. Belanger, Clarence S. Rooney, Susan F. Britcher
  • Patent number: 4021561
    Abstract: 1-Methyl-4-[2-(trifluoromethylthio)thioxanthen-9-ylidene]piperidine and the corresponding 2-trifluoromethylsulfonyl compound are antipsychotic agents. They are prepared by dehydration of the corresponding 9-hydroxy-9-piperidyl compounds.
    Type: Grant
    Filed: December 22, 1975
    Date of Patent: May 3, 1977
    Assignee: Merck & Co., Inc.
    Inventors: David C. Remy, Susan F. Britcher