Patents by Inventor John E. Butler

John E. Butler 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).

  • Indole derivatives, a process for their preparation and their use in medicaments
    Patent number: 5332755
    Abstract: Indole derivative for leucotriene antagonism of the formula ##STR1## wherein groups A, B, D, E, F and G are as described in the specification.
    Type: Grant
    Filed: January 13, 1992
    Date of Patent: July 26, 1994
    Assignee: Bayer Aktiengesellschaft
    Inventors: John E. Butler, Nigel J. Cuthbert
  • Indole derivatives and compositions for their use in medicaments
    Patent number: 5118700
    Abstract: Indole derivative for leukotriene antagonists of the formula ##STR1## wherein groups A, B, D, E, F & G are as described in the specification.
    Type: Grant
    Filed: July 2, 1990
    Date of Patent: June 2, 1992
    Assignee: Bayer Aktiengesellschaft
    Inventors: John E. Butler, Nigel J. Cuthbert
  • Flatware cradle
    Patent number: D847586
    Type: Grant
    Filed: October 19, 2017
    Date of Patent: May 7, 2019
    Inventor: John E. Butler