Patents by Inventor Walter D. Walkling

Walter D. Walkling 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).

  • Method of stabilizing acetylsalicylic acid in the presence of d-propoxyphene hydrochloride and compositions thereof
    Patent number: 4044125
    Abstract: Method of inhibiting the hydrolysis of acetylsalicyclic acid in the presence of d-propoxyphene hydrochloride in pharmaceutical compositions comprising admixing the hydrochloride of one of the 23 naturally occuring amino acids therewith, and compositions containing such amino acid hydrochloride, acetylsalicylic acid and d-propoxyphene hydrochloride.
    Type: Grant
    Filed: March 22, 1976
    Date of Patent: August 23, 1977
    Assignee: Eli Lilly and Company
    Inventor: Walter D. Walkling