Patents by Inventor Richard Tolman

Richard Tolman 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).

  • Antidiabetic agents based on aryl and heteroarylacetic acids
    Patent number: 6515015
    Abstract: The instant invention is concerned with aryl and heteroaryl acetic acid and oxyacetic acid compounds, which are useful as antidiabetic compounds. Compositions and methods for their use in the treatment of diabetes and related diseases and for lowering triglyceride levels are disclosed.
    Type: Grant
    Filed: October 24, 2000
    Date of Patent: February 4, 2003
    Assignee: Merck & Co. Inc.
    Inventors: Alan Adams, Derek Von Langen, Hiroo Koyama, Richard Tolman
  • Antidiabetic agents based on aryl and heteroarylacetic acids
    Patent number: 6160000
    Abstract: The instant invention is concerned with aryl and heteroaryl acetic acid and oxyacetic acid compounds, which are useful antidiabetic compounds. Compositions and methods for the use of the compounds in the treatment of diabetes and related diseases and for lowering triglyceride levels are also disclosed.
    Type: Grant
    Filed: June 22, 1999
    Date of Patent: December 12, 2000
    Assignee: Merck & Co., Inc.
    Inventors: Alan Adams, Derek Von Langen, Hiroo Koyama, Richard Tolman
  • Cyclic pyrophosphates of purine and pyrimidine acyclonucleosides
    Patent number: 4670424
    Abstract: A compound of the formula R--CH.sub.2 --O--W and its pharmaceutically acceptable salts wherein R is a purine, a substituted purine, a pyrimidine or a substituted pyrimidine, wherein the substituents on the purine or pyrimidine are selected from amino, hydroxyl, halogen, thiol or alkylthiol wherein the alkyl moiety of the alkylthiol has 1 to 6 carbon atoms; and W is ##STR1## The compounds have antiviral activity.
    Type: Grant
    Filed: September 19, 1983
    Date of Patent: June 2, 1987
    Assignee: Merck & Co., Inc.
    Inventors: Malcolm MacCoss, Richard Tolman