Patents by Inventor David Richard Harper

David Richard Harper 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).

  • Anti-viral agents
    Patent number: 5866607
    Abstract: Compounds of general formula (I) ##STR1## wherein n is 11, 12 or 13 and R is bromine or hydroxy, and physiologically acceptable salts thereof, with the proviso than when n is 11, R is not bromo, have been found to be effective as non-toxic agents against herpesviruses and retroviruses.
    Type: Grant
    Filed: June 11, 1997
    Date of Patent: February 2, 1999
    Assignee: BTG International Limited
    Inventors: David Richard Harper, Robert Andrew Jeffrey McIlhinney, Caroline Jane Blunt
  • Anti-viral agents
    Patent number: 5714516
    Abstract: Compounds of general formula (I) ##STR1## wherein n is 11, 12 or 13 and R is bromine or hydroxy, and physiologically acceptable salts thereof, with the proviso than when n is 11, R is not bromo, have been found to be effective as non-toxic agents against herpesviruses and retroviruses.
    Type: Grant
    Filed: December 9, 1994
    Date of Patent: February 3, 1998
    Assignee: British Technology Group Limited
    Inventors: David Richard Harper, Robert Andrew McIlhinney, Caroline Jane Blunt