Patents by Inventor Samuel Chess

Samuel Chess 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).

  • Method and composition for enhancing the cutaneous penetration of pharmacologically active agents
    Patent number: 5051260
    Abstract: Method and compositions for enhancing the cutaneous penetration of topically or transdermally delivered pharmacologically active agents. The compositions include various urethane compounds as permeation enhancers, the urethane compounds formed from reaction of a monomeric organic diisocyanate with a hydroxy- or hydroxy/alkoxy-terminated linear alkylene or polyalkylene glycol or polyether.
    Type: Grant
    Filed: September 20, 1990
    Date of Patent: September 24, 1991
    Assignee: The Regents of the University of California
    Inventors: Samuel Chess, Jerry L. McCullough, Gerald D. Weinstein
  • Enhancing the cutaneous penetration of pharmacologically active agents
    Patent number: 5045317
    Abstract: Method and compositions for enhancing the cutaneous penetration of topically or transdermally delivered pharmacologically active agent. The compositions include various urethane compounds as permeation enhancers, the urethane compounds formed from reaction of a monomeric organic diisocyanate with a hydroxy- or hydroxy/alkoxy-terminated linear alkylene or polyalkylene glycol or polyether.
    Type: Grant
    Filed: September 20, 1990
    Date of Patent: September 3, 1991
    Assignee: The Regents of the University of California
    Inventors: Samuel Chess, Jerry L. McCullough, Gerald D. Weinstein
  • Method and compositions for enhancing the cutaneous penetration of pharmacologically active agents
    Patent number: 4971800
    Abstract: Method and compositions for enhancing the cutaneous penetration of topically or transdermally delivered pharmacologically active agents. The compositions include various urethane compounds as permeation enhancers, the urethane compounds formed from reaction of a monomeric organic diisocyanate with a hydroxy- or hydroxy/alkoxy-terminated linear alkylene or polyalkylene glycol or polyether.
    Type: Grant
    Filed: September 18, 1989
    Date of Patent: November 20, 1990
    Assignee: The Regents of the University of California
    Inventors: Samuel Chess, Jerry L. McCullough, Gerald D. Weinstein