Patents by Inventor Richard L. Jarvest

Richard L. Jarvest 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).

  • Phosphonated arylethanolamine compounds with anti-hyperglycemic and/or anti-obesity activity
    Patent number: 5519006
    Type: Grant
    Filed: March 30, 1995
    Date of Patent: May 21, 1996
    Assignee: SmithKline Beecham plc
    Inventors: Lee J. Beeley, John M. Berge, Richard L. Jarvest
  • Purine derivatives
    Patent number: 5250688
    Abstract: A compound of formula (I) ##STR1## or a salt thereof, wherein R.sub.1 and R.sub.2 are each independently hydrogen, acyl or phosphate, provided that when one of R.sub.1 or R.sub.2 is phosphate, the other is hydrogen; or R.sub.1 and R.sub.2 are joined together to form a cyclic acetal group, a cyclic carbonate group or a cyclic phosphate group.Processes for preparing these compounds and their use in therapy is also described.
    Type: Grant
    Filed: January 22, 1992
    Date of Patent: October 5, 1993
    Assignee: Beecham Group p.l.c.
    Inventors: Michael R. Harnden, Richard L. Jarvest
  • Purine derivatives
    Patent number: 5246937
    Abstract: The present invention provides antiviral compounds of Formula (I): ##STR1## pharmaceutical compositions prepared therefrom, and methods of treatment of viral infections therewith.
    Type: Grant
    Filed: January 22, 1992
    Date of Patent: September 21, 1993
    Assignee: Beecham Group p.l.c.
    Inventors: Michael R. Harnden, Richard L. Jarvest
  • Guanine derivatives
    Patent number: 5075445
    Abstract: A compound of formula (I) ##STR1## or a salt or acyl derivative thereof, in which X represents chlorine, C.sub.1-6 alkoxy, phenoxy, phenyl C.sub.1-6 alkoxy, NH.sub.2, --OH or --SH, is useful in treating viral infections.
    Type: Grant
    Filed: August 12, 1987
    Date of Patent: December 24, 1991
    Assignee: Beecham Group p.l.c.
    Inventors: Richard L. Jarvest, Michael R. Harnden
  • Crystalline purine compounds
    Patent number: 4942166
    Abstract: A crystalline monohydrate of the compound of formula (A) or a crystalline sodium salt monohydrate of the compound of formula (A): ##STR1## having antiviral activity, processes for their preparation and their use as pharmaceuticals.
    Type: Grant
    Filed: June 30, 1989
    Date of Patent: July 17, 1990
    Assignee: Beecham Group p.l.c.
    Inventors: Michael R. Harnden, Richard L. Jarvest, Graham R. Geen
  • Process for preparing 2-amino-6-chloropurine
    Patent number: 4736029
    Abstract: A process for the preparation of the compound of formula (I): ##STR1## which process comprises reacting the compound of formula (II): ##STR2## with a chlorinating agent in the presence of a phase transfer catalyst containing chloride ions.
    Type: Grant
    Filed: March 21, 1986
    Date of Patent: April 5, 1988
    Assignee: Beecham Pharmaceuticals
    Inventors: Michael R. Harnden, Richard L. Jarvest