Patents by Inventor Gary R. Schulte

Gary R. Schulte 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: 6174883
    Abstract: This invention relates to novel 3-substituted-2-oxindole derivatives of the formula and the phamaceutically-accepted salts thereof which are inhibitors of prostaglandin H2 synthase, 5-lipoxygenase and interleukin-1 biosynthesis. The compounds of the invention are useful as inhibitors of prostaglandin H2 synthase and interleukin-1 biosynthesis, per se, and as analgesic, antiinflammatory and antiarthritic agents in the treatment of chronic inflammatory diseases. This invention also relates to pharmaceutical compositions comprising said 3-substituted-2-oxindole derivatives; to methods of inhibiting prostaglandin H2 synthase and biosynthesis of interleukin-1; and to treating chronic inflammatory diseases in a mammal with said compounds. Further, this invention relates to certain novel carboxylic acids useful as intermediates in the preparation of the 3-substituted-2-oxindole derivatives of this invention and to a process for the preparation of the 3-substituted-2-oxindole derivatives.
    Type: Grant
    Filed: June 7, 1995
    Date of Patent: January 16, 2001
    Assignee: Pfizer Inc.
    Inventors: Frederick J. Ehrgott, Carl J. Goddard, Gary R. Schulte
  • Patent number: 5919809
    Abstract: This invention relates to novel 3-substituted-2-oxindole derivatives of the formula ##STR1## and the pharmaceutically-acceptable salts thereof which are inhibitors of prostaglandin H.sub.2 synthase, 5-lipoxygenase and interleukin-1 biosynthesis. The compounds of the invention are useful as inhibitors of prostaglandin H.sub.2 synthase and interleukin-1 biosynthesis, per se, and as analgesic, antiinflammatory and antiarthritic agents in the treatment of chronic inflammatory diseases. This invention also relates to pharmaceutical compositions comprising said 3-substituted-2-oxindole derivatives; to methods of inhibiting prostaglandin H.sub.2 synthase and biosynthesis of interleukin-1; and to treating chronic inflammatory diseases in a mammal with said compounds. Further, this invention relates to certain novel carboxylic acids useful as intermediates in the preparation of the 3-substituted-2-oxindole derivatives of this invention and to a process for the preparation of the 3-substituted-2-oxindole derivatives.
    Type: Grant
    Filed: November 4, 1993
    Date of Patent: July 6, 1999
    Assignee: Pfizer Inc.
    Inventors: Frederick J. Ehrgott, Carl J. Goddard, Gary R. Schulte
  • Patent number: 5648502
    Abstract: 4-Chloro-2-thiophenecarboxylic acid is made by forming a compound of formula (Ia), disclosed herein, wherein R.sup.3 is (C.sub.1 -C.sub.6) alkyl, phenyl, or benzyl; converting the compound to a compound of formula (IVa), disclosed herein, and removing the silyl group R.sub.3 Si--. The product is useful as an intermediate in making pharmaceutical products.
    Type: Grant
    Filed: July 7, 1995
    Date of Patent: July 15, 1997
    Assignee: Pfizer Inc.
    Inventors: Laurence E. Burgess, Gary R. Schulte
  • Patent number: 5631235
    Abstract: Macrolides of formula (I) and methods of treatment of resistance to transplantation, fungal infections and autoimmune diseases such as rheumatoid arthritis and psoriasis using said macrolides of formula (I), wherein n is 1 or 2; A and B are taken together and form .dbd.O or A and B are taken separately and are each H or A is OH and B is H; R.sup.1 is a 2-aminoglycosyl group; R.sup.2 is OH or a glycosyloxy group; and R.sup.3 is an alkyl or allyl group.
    Type: Grant
    Filed: August 6, 1994
    Date of Patent: May 20, 1997
    Assignee: Pfizer, Inc.
    Inventors: Kevin Koch, Gary R. Schulte
  • Patent number: 5593997
    Abstract: Certain 4-aminopyrazolo[3,4-d]pyrimidine compounds, and their pharmaceutically-acceptable salts and prodrugs, are inhibitors of tyrosine kinase enzymes and are useful for immunoregulation and for the treatment of cancer, angiogenesis and atherosclerosis.
    Type: Grant
    Filed: May 23, 1995
    Date of Patent: January 14, 1997
    Assignee: Pfizer Inc.
    Inventors: Robert L. Dow, Kevin Koch, Gary R. Schulte
  • Patent number: 5563135
    Abstract: Macrolides of formula (I) and methods of treatment of resistance to transplantation, fungal infections and auto-immune diseases such as rheumatoid arthritis and psoriasis using said macrolides of formula (I), ##STR1## wherein n is 1 or 2; A and B are taken together and form .dbd.O or A and B are taken separately and are each H or A is OH and B is H; R.sup.1 is a desosamino group; R.sup.2 is OH or a desosaminyloxy group; and R.sup.3 is an alkyl or allyl group.
    Type: Grant
    Filed: June 1, 1995
    Date of Patent: October 8, 1996
    Assignee: Pfizer Inc.
    Inventors: James R. Hauske, Gary R. Schulte
  • Patent number: 5506233
    Abstract: Macrolides of the FK-506 type and methods of treatment of resistance to transplantation, fungal infections, and autoimmune diseases such as rheumatoid arthritis and psoriasis using said macrolides.
    Type: Grant
    Filed: August 8, 1994
    Date of Patent: April 9, 1996
    Assignee: Pfizer Inc.
    Inventors: James R. Hauske, Gary R. Schulte
  • Patent number: 5432183
    Abstract: The use of rapamycin prodrugs of formula I as immunosuppressant agents, intermediates formed in the preparation of its prodrugs as well as the prodrugs themselves.
    Type: Grant
    Filed: November 30, 1993
    Date of Patent: July 11, 1995
    Assignee: Pfizer Inc.
    Inventor: Gary R. Schulte
  • Patent number: 5300655
    Abstract: This invention relates to novel 3-substituted-2-oxindole derivatives which are inhibitors of prostaglandin H.sub.2 synthase, 5-lipoxygenase and interleukin-1 biosynthesis. The compounds of the invention are useful as inhibitors of prostaglandin H.sub.2 synthase and interleukin-1 biosynthesis, per se, and as analgesic, antiinflammatory and antiarthritic agents in the treatment of chronic inflammatory diseases. This invention also relates to pharmaceutical compositions comprising said 3-substituted-2-oxindole derivatives; to methods of inhibiting prostaglandin H.sub.2 synthase and biosynthesis of interleukin-1; and to treating chronic inflammatory diseases in a mammal with said compounds. Further, this invention relates to certain novel carboxylic acids useful as intermediates in the preparation of the 3-substituted-2-oxindole derivatives of this invention and to a process for the preparation of the 3-substituted-2-oxindole derivatives.
    Type: Grant
    Filed: December 16, 1992
    Date of Patent: April 5, 1994
    Assignee: Pfizer Inc.
    Inventors: Frederick J. Ehrgott, Carl J. Goddard, Gary R. Schulte
  • Patent number: 5290802
    Abstract: This invention relates to novel 3-substituted-2-oxindole derivatives which are inhibitors of prostaglandin H.sub.2 synthase, 5-lipoxygenase and interleukin-1 biosynthesis. The compounds of the invention are useful as inhibitors of prostaglandin H.sub.2 synthase and interleukin-1 biosynthesis, per se, and as analgesic, antiinflammatory and antiarthritic agents in the treatment of chronic inflammatory diseases This invention also relates to pharmaceutical compositions comprising said 3-substituted-2-oxindole derivatives; to methods of inhibiting prostaglandin H.sub.2 synthase and biosynthesis of interleukin-1; and to treating chronic inflammatory diseases in a mammal with said compounds. Further, this invention relates to certain novel carboxylic acids useful as intermediates in the preparation of the 3-substituted-2-oxindole derivatives of this invention and to a process for the preparation of the 3-substituted-2-oxindole derivatives.
    Type: Grant
    Filed: June 5, 1991
    Date of Patent: March 1, 1994
    Assignee: Pfizer Inc.
    Inventors: Frederick J. Ehrgott, Carl J. Goddard, Gary R. Schulte
  • Patent number: 5192790
    Abstract: This invention relates to the use of certain 3-substituted-2-oxindole derivatives to inhibit interleukin-1 biosynthesis in a mammal. This invention also relates to the use of such compounds for treating interleukin-1 mediated disorders and dysfunctions such as bone and connective tissue metabolism disorders and immune dysfunction in a mammal. The methods of this invention comprise administering an interleukin-1 biosynthesis inhibiting amount of the compounds and salts of this invention to such a mammal.
    Type: Grant
    Filed: December 17, 1991
    Date of Patent: March 9, 1993
    Assignee: Pfizer Inc.
    Inventors: Carl J. Goddard, Douglas C. Hanson, Gary R. Schulte
  • Patent number: 5064851
    Abstract: This invention relates to novel 3-(1-substituted-pyrazoyl)-2-oxindole derivatives which are inhibitors of prostaglandin H.sub.2 synthease, 5-lipoxygenase and interleukin-1 biosynthesis. The compounds of the invention are useful as inhibitors of prostaglandin H.sub.2 synthase and interleukin-1 biosynthesis, per se, and as analgesic, antiinflammatory and antiarthritic agents in the treatment of chronic inflammatory diseases. This invention also relates to pharmaceutical compositions comprising said 3-(1-substituted-pyrazoyl-2-oxindole derivatives; to methods of inhibiting prostaglandin H.sub.2 synthase and biosynthesis of interleukin-1; and to treating chronic inflammatory diseases in a mammal with said compounds. Further, this invention relates to certain novel compounds useful as intermediates in the preparation of the 3-(1-substituted-pyrazoyl-2-oxindole derivatives of this invention and to a process for the preparation of the 3-(1-substituted-pyrazoyl)-2-oxindole derivatives.
    Type: Grant
    Filed: July 24, 1990
    Date of Patent: November 12, 1991
    Assignee: Pfizer Inc.
    Inventors: Carl J. Goddard, Gary R. Schulte
  • Patent number: 5059693
    Abstract: Process for making antiinflammatory 3-aroyl-2-oxindole-1-carboxamides by reductive debromination or deiodination of 3-(bromo- or iodoaroyl)-2-oxindole-1-carboxamides.
    Type: Grant
    Filed: October 6, 1989
    Date of Patent: October 22, 1991
    Assignee: Pfizer Inc.
    Inventors: Gary R. Schulte, Frederick J. Ehrgott
  • Patent number: 5047554
    Abstract: This invention relates to novel 3-substituted-2-oxindole derivatives which are inhibitors of prostaglandin H.sub.2 synthase, 5-lipoxygenase and interleukin-1 biosynthesis. The compounds of the invention are useful as inhibitors of prostaglandin H.sub.2 synthase and interleukin-1 biosynthesis, per se, and as analgesic, antiinflammatory and antiarthritic agents in the treatment of chronic inflammatory diseases. This invention also relates to pharmaceutical compositions comprising said 3-substituted-2-oxindole derivatives; to methods of inhibiting prostaglandin H.sub.2 synthase and biosynthesis of interleukin-1; and to treating chronic inflammatory diseases in a mammal with said compounds. Further, this invention relates to certain novel carboxylic acids useful as intermediates in the preparation of the 3-substituted-2-oxindole derivatives of this invention and to a process for the preparation of the 3-substituted-2-oxindole derivatives.
    Type: Grant
    Filed: January 31, 1990
    Date of Patent: September 10, 1991
    Assignee: Pfizer Inc.
    Inventors: Frederick J. Ehrgott, Carl J. Goddard, Gary R. Schulte