Patents by Inventor Claude F. Purchase, Jr.

Claude F. Purchase, Jr. 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: 6297247
    Abstract: Sulfonamide compounds are described which are inhibitors of matrix metalloproteinases, particularly stromelysin-1 and gelatinase A (72 kD gelatinase). Also described are methods for the treatment of multiple sclerosis, atherosclerotic plaque rupture, aortic aneurism, heart failure, restenosis, periodontal disease, corneal ulceration, burns, decubital ulcers, chronic ulcers or wounds, cancer metastasis, tumor angiogenesis, arthritis, or other autoimmune or inflammatory disorders dependent upon tissue invasion by leukocytes using the compounds.
    Type: Grant
    Filed: June 22, 2000
    Date of Patent: October 2, 2001
    Assignee: Warner-Lambert Company
    Inventors: Daniel F. Ortwine, Claude F. Purchase, Jr., Andrew D. White
  • Patent number: 6153612
    Abstract: Sulfonamide compounds are described which are inhibitors of matrix metalloproteinases, particularly stromelysin-1 and gelatinase A (72 kD gelatinase). Also described are methods for the treatment of multiple sclerosis, atherosclerotic plaque rupture, aortic aneurism, heart failure, restenosis, periodontal disease, corneal ulceration, burns, decubital ulcers, chronic ulcers or wounds, cancer metastasis, tumor angiogenesis, arthritis, or other autoimmune or inflammatory disorders dependent upon tissue invasion by leukocytes using the compounds.
    Type: Grant
    Filed: October 5, 1999
    Date of Patent: November 28, 2000
    Assignee: Warner-Lambert Company
    Inventors: Daniel F. Ortwine, Claude F. Purchase, Jr., Andrew D. White
  • Patent number: 5977141
    Abstract: Sulfonamide compounds are described which are inhibitors of matrix metalloproteinases, particularly stromelysin-1 and gelatinase A (72 kD gelatinase). Also described are methods for the treatment of multiple sclerosis, atherosclerotic plaque rupture, aortic aneurism, heart failure, restenosis, periodontal disease, corneal ulceration, burns, decubital ulcers, chronic ulcers or wounds, cancer metastasis, tumor angiogenesis, arthritis, or other autoimmune or inflammatory disorders dependent upon tissue invasion by leukocytes using the compounds.
    Type: Grant
    Filed: May 13, 1998
    Date of Patent: November 2, 1999
    Assignee: Warner-Lambert Company
    Inventors: Daniel F. Ortwine, Claude F. Purchase, Jr., Andrew D. White
  • Patent number: 5441975
    Abstract: Pharmaceutically useful compounds having ACAT inhibitory activity of the formula ##STR1## wherein n is 0, 1, or 2, for X other than tetrazole and n=2 then R.sub.2 =R.sub.3 =H; R.sub.1 is phenyl, substituted phenyl, naphthyl, substituted naphthyl, a heteroaromatic group or a hydrocarbon group having from one to 18 carbon atoms; R.sub.2 and R.sub.3 are hydrogen, halo, hydroxy, alkyl, alkenyl, cycloalkyl, phenyl, substituted phenyl, a heteroaryl, or form a spiroalkyl group; X is a heteromonocyclic 5-membered ring containing one to four heteroatoms, said heteroatoms being nitrogen, oxygen or sulfur, and combination thereof; and R.sub.4 is a hydrocarbon group having from one to 20 carbon atoms are described as well as methods of their manufacture.
    Type: Grant
    Filed: July 12, 1994
    Date of Patent: August 15, 1995
    Assignee: Warner-Lambert Company
    Inventors: Helen T. Lee, Patrick M. O'Brien, Joseph A. Picard, Claude F. Purchase, Jr., Bruce D. Roth, Drago R. Sliskovic, Andrew D. White
  • Patent number: 5366987
    Abstract: Pharmaceutically useful compounds having ACAT inhibitory activity of the formula ##STR1## wherein n is 0, 1, or 2, for X other than tetrazole and n=2 then R.sub.2 =R.sub.3 =H; R.sub.1 is phenyl, substituted phenyl, naphthyl, substituted naphthyl, a heteroaromatic group or a hydrocarbon group having from one to 18 carbon atoms; R.sub.2 and R.sub.3 are hydrogen, halo, hydroxy, alkyl, alkenyl, cycloalkyl, phenyl, substituted phenyl, a heteroaryl, or form a spiroalkyl group; X is a heteromonocyclic 5-membered ring containing one to four heteroatoms, said heteroatoms being nitrogen, oxygen or sulfur, and combination thereof; and R.sub.4 is a hydrocarbon group having from one to 20 carbon atoms are described as well as methods of their manufacture.
    Type: Grant
    Filed: February 18, 1993
    Date of Patent: November 22, 1994
    Assignee: Warner-Lambert Company
    Inventors: Helen T. Lee, Patrick M. O'Brien, Joseph A. Picard, Claude F. Purchase, Jr., Bruce D. Roth, Drago R. Sliskovic, Andrew D. White