Patents by Inventor Ralph P. Robinson

Ralph P. Robinson 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: 6147074
    Abstract: A compound of the formula ##STR1## wherein n, X, R.sup.3, R.sup.4 and Ar are as defined above, useful in the treatment of a condition selected from the group consisting of arthritis, cancer, tissue ulceration, restenosis, periodontal disease, epidermolysis bullosa, scleritis and other diseases characterized by matrix metalloproteinase activity, AIDS, sepsis, septic shock and other diseases involving the production of TNF.
    Type: Grant
    Filed: September 28, 1999
    Date of Patent: November 14, 2000
    Assignee: Pfizer Inc
    Inventors: Ralph P. Robinson, James P. Rizzi
  • Patent number: 6114361
    Abstract: The present invention relates to a compound of the formula ##STR1## wherein R.sup.1, R.sup.2, R.sup.3 are as defined above, to pharmaceutical compositions and methods of treatment.
    Type: Grant
    Filed: October 29, 1999
    Date of Patent: September 5, 2000
    Assignee: Pfizer Inc.
    Inventors: Ralph P. Robinson, Ellen R. Laird
  • Patent number: 6107337
    Abstract: A compound of the formula ##STR1## wherein n, X, R.sup.3, R.sup.4 and Ar are as defined above, useful in the treatment of a condition selected from the group consisting of arthritis, cancer, tissue ulceration, restenosis, periodontal disease, epidermolysis bullosa, scleritis, bone resorption, loosening of artificial joint implants, atherosclerosis, multiple sclerosis, occular angiogenisis and other diseases characterized by matrix metalloproteinase activity, AIDS, sepsis, septic shock and other diseases involving the production of TNF.
    Type: Grant
    Filed: August 6, 1998
    Date of Patent: August 22, 2000
    Assignee: Pfizer Inc.
    Inventor: Ralph P. Robinson
  • Patent number: 5994351
    Abstract: A compound of the formula ##STR1## wherein n, X, R.sup.3, R.sup.4 and Ar are as defined above, useful in the treatment of a condition selected from the group consisting of arthritis, cancer, tissue ulceration, restenosis, periodontal disease, epidermolysis bullosa, scleritis and other diseases characterized by matrix metalloproteinase activity, AIDS, sepsis, septic shock and other diseases involving the production of TNF.
    Type: Grant
    Filed: July 27, 1998
    Date of Patent: November 30, 1999
    Assignee: Pfizer Inc.
    Inventors: Ralph P. Robinson, James P. Rizzi
  • Patent number: 5863949
    Abstract: A compound of formula (I), wherein n, X, R.sup.3, R.sup.4 and Ar are as defined above, useful in the treatment of a condition selected from the group consisting of arthritis, cancer, tissue ulceration, restenosis, periodontal disease, epidermolysis bullosa, scleritis and other diseases characterized by matrix metalloproteinase activity, AIDS, sepsis, septic shock and other diseases involving the production of TNF.
    Type: Grant
    Filed: August 4, 1997
    Date of Patent: January 26, 1999
    Assignee: Pfizer Inc
    Inventors: Ralph P. Robinson, James P. Rizzi
  • Patent number: 5854275
    Abstract: The invention relates to a compound of the formula I ##STR1## wherein R.sup.1 is a cyclic imide group and X, Y, R.sup.2, and R.sup.3 are as defined herein. The invention further relates to pharmaceutical compositions containing, and methods of using, compounds of the formula I. Compounds of the formula I are useful in the treatment of diseases related to the production of matrix metalloproteinases and tumor necrosis factor.
    Type: Grant
    Filed: May 13, 1997
    Date of Patent: December 29, 1998
    Assignee: Pfizer Inc.
    Inventor: Ralph P. Robinson
  • Patent number: 5811432
    Abstract: This invention relates to novel 4-, 5-, 6-, and 7-azaoxindole derivatives. The compounds are anti-inflammatory and analgesic agents and inhibitors of one or more of prostaglandin H.sub.2 synthase, 5-lipoxygenase and interleukin-1 biosynthesis. They are useful in the treatment of chronic inflammatory diseases, allergy, psoriasis, various bone diseases, and immune dysfunctions such as systemic lupus erythematosis.
    Type: Grant
    Filed: March 18, 1993
    Date of Patent: September 22, 1998
    Assignee: Pfizer Inc
    Inventors: Anthony Marfat, Ralph P. Robinson
  • Patent number: 5607959
    Abstract: Compounds of formula (I) where R.sup.1 is thienyl, phenyl or furyl, X and Y are halogen or hydrogen and Q is alkoxy or amino are useful as analgesic and antiinflamatory agents.
    Type: Grant
    Filed: July 21, 1995
    Date of Patent: March 4, 1997
    Assignee: Pfizer Inc.
    Inventor: Ralph P. Robinson
  • Patent number: 5270331
    Abstract: Antiinflammatory and analgesic oxindole prodrugs of the formula ##STR1## wherein R.sup.10, R.sup.11, R.sup.12 and R.sup.13 are hydrogen, alkyl or halogen and R is methyleneoxyalkanoyl, methyleneoxyalkenoyl or alkenoyl.
    Type: Grant
    Filed: January 26, 1993
    Date of Patent: December 14, 1993
    Assignee: Pfizer, Inc.
    Inventors: Wayne E. Barth, Kelvin Cooper, Edward F. Kleinman, Lawrence A. Reiter, Ralph P. Robinson
  • Patent number: 5260309
    Abstract: The present invention relates to compounds of the formula ##STR1## wherein the broken line represents a saturated or an olefinic bond, R.sup.1 and R.sup.4 are each hydrogen or C.sub.1 to C.sub.6 alkyl, and R.sup.2 and R.sup.3 are each hydrogen, C.sub.1 to C.sub.6 alkyl, halogen, C.sub.1 to C.sub.6 alkoxy or C.sub.1 to C.sub.6 alkylthio, and pharmaceutically acceptable salts thereof, pharmaceutical compounds containing the same, methods of preparing the foregoing compounds, and to novel intermediates in the preparation of the foregoing compounds. These compounds are useful as agents in the prevention of neuronal damage in the brain following cerebral ischemia and during the progression of Alzheimer's disease and also as anticonvulsants.
    Type: Grant
    Filed: January 29, 1992
    Date of Patent: November 9, 1993
    Assignee: Pfizer Inc.
    Inventor: Ralph P. Robinson