Patents by Inventor Charles Schwender

Charles Schwender 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).

  • Arylmethylphosphonic acid derivatives useful in treating bone wasting diseases
    Patent number: 5994563
    Abstract: Benzyl-phosphonate compounds represented by the formula I: ##STR1## are disclosed as useful in treating bone wasting diseases and as an immunosuppresant.
    Type: Grant
    Filed: January 19, 1999
    Date of Patent: November 30, 1999
    Assignee: Ortho Pharmaceutical Corporation
    Inventors: Scott Beers, Roger F. Frechette, Elizabeth A. Malloy, Charles Schwender, Wei Wu
  • Trifluoromethybenzylphosphonates useful in treating osteoporosis
    Patent number: 5532226
    Abstract: Novel benzylphosphonate compounds of the general formula I: ##STR1## are disclosed as useful in treating bone wasting diseases including postmenopausal osteoporosis in increasing in mammals bone formation and bone mass.
    Type: Grant
    Filed: December 9, 1993
    Date of Patent: July 2, 1996
    Assignee: Ortho Pharmaceutical Corporation
    Inventors: Keith Demarest, Charles Schwender, David Wustrow
  • Substituted phosphonic acids and derivatives useful in treating bone wasting diseases
    Patent number: 5508273
    Abstract: Compounds represented by the formula I: ##STR1## are disclosed as agents for use in treating bone wasting diseases.
    Type: Grant
    Filed: December 30, 1993
    Date of Patent: April 16, 1996
    Assignee: Ortho Pharmaceutical Corporation
    Inventors: Scott Beers, Elizabeth A. Malloy, Charles Schwender
  • Trifluoromethylbenzylphosphonates useful in treating osteoporosis
    Patent number: 5300687
    Abstract: Novel benzylphosphonate compounds of the general formula I: ##STR1## are disclosed as useful in treating bone wasting diseases including postmenopausal osteoporosis in increasing in mammals bone formation and bone mass.
    Type: Grant
    Filed: July 18, 1991
    Date of Patent: April 5, 1994
    Assignee: Ortho Pharmaceutical Corporation
    Inventors: Charles Schwender, Keith Demarest, David Wustrow
  • Purine derivatives
    Patent number: 5098906
    Abstract: Novel purine derivatives are described as agents for treating autoimmune diseases as well as a method of manufacture and pharmaceutical compositions as well as novel intermediates in the manufacture thereof.
    Type: Grant
    Filed: August 31, 1989
    Date of Patent: March 24, 1992
    Assignee: Warner-Lambert Company
    Inventors: Jagadish C. Sircar, Charles Schwender, Mark J. Suto