Patents by Inventor Kishin J. Kripalani

Kishin J. Kripalani 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).

  • (N-lower alkyl-3,5-dioxo-3-pyrrolidinyl)thioalkanoylpyrrolidine-and piperidine-carboxylic acid compounds
    Patent number: 4179568
    Abstract: Compounds having the formula ##STR1## wherein R.sub.1 and R.sub.4 each is hydrogen, lower alkyl or phenyl-lower alkyl; R.sub.2 is lower alkyl; R.sub.3 is hydrogen, hydroxy or lower alkyl; R.sub.5 is hydrogen or lower alkyl; m is 2 or 3; and n is 0, 1 or 2; are useful analytical tools.
    Type: Grant
    Filed: July 31, 1978
    Date of Patent: December 18, 1979
    Assignee: E. R. Squibb & Sons, Inc.
    Inventors: Allen I. Cohen, Kishin J. Kripalani