Patents by Inventor Hans J. Schwarz

Hans J. Schwarz 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).

  • 4-(Acyloxyphenyl)-quinazolin-2(1H)-ones
    Patent number: 4071516
    Abstract: Anti-inflammatories and analgesics of the formula: ##STR1## wherein R.degree. is alkyl, R is hydrogen, alkyl, halo, nitro or R"' OOC--, R' is hydrogen, alkyl or halo, R" is a hydrolyzable carboxylic acid acyl group and R"' is hydrogen or alkyl.
    Type: Grant
    Filed: August 20, 1976
    Date of Patent: January 31, 1978
    Assignee: Sandoz, Inc.
    Inventor: Hans J. Schwarz