Patents by Inventor Theodore Denzel

Theodore Denzel 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).

  • Aminothiazolyl ureido sulfoxide cephalosporins
    Patent number: 4275062
    Abstract: Cephalosporins of the formula ##STR1## R represents hydrogen, sodium, potassium, or certain ester groups, R.sub.1 is in the .alpha.-configuration and is hydrogen or methoxy, X represents hydrogen ##STR2## R.sub.3 represents hydrogen or lower alkyl, R.sub.4 is hydrogen, lower alkyl, ##STR3## or --(CH.sub.2).sub.n --N--(lower alkyl).sub.2, R.sub.5 represents hydrogen, sodium or potassium, and n represents an integer from 1 to 4. These compounds are useful as antibacterial agents.
    Type: Grant
    Filed: September 19, 1979
    Date of Patent: June 23, 1981
    Assignee: E. R. Squibb & Sons, Inc.
    Inventors: Hermann Breuer, Theodore Denzel, Uwe D. Treuner
  • Amino derivatives of [1,2,3]thiadiazolo(5,4-b) pyridine-6-carboxylic acids and esters
    Patent number: 3965108
    Abstract: New derivatives of [1,2,3]thiadiazolo[5,4-b]pyridin-6-carboxylic acids, esters and their acid addition salts have the general formula ##SPC1##They are useful as central nervous system depressants and antiinflammatory agents.
    Type: Grant
    Filed: May 12, 1975
    Date of Patent: June 22, 1976
    Assignee: E. R. Squibb & Sons, Inc.
    Inventors: Theodore Denzel, Hans Hoehn