Patents by Inventor Helen J. Schultz

Helen J. Schultz 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).

  • Topical formulations and transdermal delivery systems containing 1-isobutyl-1H-imidazo[4,5-c]quinolin-4-amine
    Patent number: 5238944
    Abstract: Pharmaceutical formulations and adhesive-coated sheet materials for the topical and/or transdermal delivery of 1-isobutyl-1H-imidazo[4,5-c]-quinolin-4-amine, including creams, ointments and pressure-sensitive adhesive compositions. Pharmacological methods of using the formulations and the adhesive-coated sheet materials of the invention in the treatment of viral infections.
    Type: Grant
    Filed: March 3, 1992
    Date of Patent: August 24, 1993
    Assignee: Riker Laboratories, Inc.
    Inventors: Steven M. Wick, Helen J. Schultz, Gregory R. Nelson, Amit K. Mitra, Stephen M. Berge
  • Topical antiinflammatory compositions
    Patent number: 4738842
    Abstract: Novel topical creams or lotions containing 2,6-di-t-butyl-4-(2'-thenoyl)phenol exhibiting good skin penetrability are disclosed.
    Type: Grant
    Filed: January 17, 1986
    Date of Patent: April 19, 1988
    Assignee: Riker Laboratories
    Inventors: Gordon J. Dow, Helen J. Schultz