Patents by Inventor Edward Davison

Edward Davison 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).

  • Antiparasitic formulations
    Patent number: 6001822
    Abstract: A parenteral formulation for 25-cyclohexyl-avermectin Bl, compound (I), which is effective against both internal and external parasites, is well tolerated by animals on both subcutaneous and intramuscular administration and is compatible with conventional injection equipment. ##STR1## The solution comprises compound (I), in a solvent consisting of from 50 to 95% by volume of sesame oil with the remainder ethyl oleate.
    Type: Grant
    Filed: May 1, 1992
    Date of Patent: December 14, 1999
    Assignee: Pfizer Inc.
    Inventors: Stephen R. Wicks, Edward Davison
  • Pharmaceutically acceptable salts
    Patent number: 4879303
    Abstract: Improved pharmaceutical salts of amlodipine, particularly the besylate salt, and pharmaceutical compositions thereof. These salts find utility as anti-ischaemic and anti-hypertensive agents.
    Type: Grant
    Filed: October 13, 1988
    Date of Patent: November 7, 1989
    Assignee: Pfizer Inc.
    Inventors: Edward Davison, James I. Wells