Patents by Inventor Charles Shipman, Jr.

Charles Shipman, 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).

  • Acyclic pyrrolo [2,3-d]pyrimidine analogs as antiviral agents
    Patent number: 4968686
    Abstract: This invention relates to the use of acyclic substituted pyrrolo[2,3-d]pyrimidine nucleoside analogs in the treatment of viral infections. Such substituted compounds retain antiviral properties present in their parent compounds, yet exhibit significantly decreased levels of cytotoxicity, thereby having therapeutic potential as antiviral agents.
    Type: Grant
    Filed: June 21, 1989
    Date of Patent: November 6, 1990
    Assignee: The Regents of The University of Michigan
    Inventors: Leroy B. Townsend, John G. Drach, Charles Shipman, Jr., Jeffrey S. Pudlo
  • Transdermal delivery of the narcotic analgesics etorphine and analogs
    Patent number: 4891377
    Abstract: A process for relieving pain and novel topical compositions for transdermal delivery of a narcotic analgesic comprising the application to mammalian skin of an effective amount of a compound of the formula: ##STR1## or a pharmacologically acceptable acid addition salt thereof, where R is --CH.sub.2, ##STR2## or --H and R' and R" are C.sub.1 to C.sub.6 hydrocarbons or --H, in association with a topical pharmaceutical carrier selected from the group consisting of ointments, lotions, pastes, jellies, gels, creams, sprays, aerosols and the like.
    Type: Grant
    Filed: December 2, 1988
    Date of Patent: January 2, 1990
    Assignee: Board of Regents Acting for and on behalf of University of Michigan
    Inventors: Charles Shipman, Jr., Mohammad R. Nassiri, Gordon L. Flynn
  • 2-acetylpyridine thiosemicarbazones as antiviral agents
    Patent number: 4596798
    Abstract: This invention relates to the use of various 2-acetylpyridine thiosemicarbazones which are substituted on the 4-nitrogen atom in the treatment of viral infections. Also disclosed are several synthetic procedures used to prepare the thiosemicarbazones.
    Type: Grant
    Filed: March 30, 1982
    Date of Patent: June 24, 1986
    Assignee: The United States of America as represented by the Secretary of the Army
    Inventors: Charles Shipman, Jr., Daniel L. Klayman, Sandra H. Smith, John C. Drach
  • Acyclic pyrrolo ?2,3-d!pyrimidine analogs as antiviral agents
    Patent number: RE36187
    Abstract: This invention relates to the use of acyclic substituted pyrrolo?2,3-d!pyrimidine nucleoside analogs in the treatment of viral infections. Such substituted compounds retain antiviral properties present in their parent compounds, yet exhibit significantly decreased levels of cytotoxicity, thereby having therapeutic potential as antiviral agents.
    Type: Grant
    Filed: August 5, 1994
    Date of Patent: April 6, 1999
    Assignee: The Regents of the University of Michigan
    Inventors: Leroy B. Townsend, John G. Drach, Charles Shipman, Jr., Jeffrey S. Pudlo