Patents by Inventor Judith L. Johnson

Judith L. Johnson 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).

  • Process for preparing substituted anthra[1,9-cd]pyrazol-6(2H)-ones
    Patent number: 4608439
    Abstract: An improved process for making anthra[1,9-cd]pyrazol-6(2H)-ones from 1,4-dichloro-5,8-disubstituted-9,10-anthracenediones and a hydrazine is disclosed. The compounds produced have antibacterial, antifungal, antileukaemic, and antitumor activity.
    Type: Grant
    Filed: April 26, 1985
    Date of Patent: August 26, 1986
    Assignee: Warner-Lambert Company
    Inventors: Judith L. Johnson, Hollis D. Showalter
  • Antimicrobial substituted anthra[1,9-cd]pyrazol-6(2H)-ones
    Patent number: 4556654
    Abstract: Substituted anthra[1,9-cd]pyrazol-6(2H-ones have antimicrobial activity. Methods for their preparation, use and pharmaceutical compositions are disclosed.
    Type: Grant
    Filed: June 28, 1983
    Date of Patent: December 3, 1985
    Assignee: Warner-Lambert Company
    Inventors: Howard D. H. Showalter, Judith L. Johnson, Leslie M. Werbel, Edward F. Elslager