Patents by Inventor Hans-Jurg Wuthrich

Hans-Jurg Wuthrich 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).

  • 5-phenyl-1H-pyrazol-4-propionic acid derivatives, compositions and use
    Patent number: 5141951
    Abstract: Compounds of formula I ##STR1## wherein R.sub.1 is alkyl, alkoxy, alkylthio, alkylamino, aryl, aryloxy, arylthio, arylamino, aralkyl, aralkoxy, aralkylthio or aralkylamino,R.sub.2 and R.sub.3 are each independently hydrogen, halogen, hydroxy, mercapto, nitro or amino or have the meanings given for R.sub.1, andX is --NH.sub.2, --NH--OH, --N(R.sub.4)OH, --NH--NH.sub.2 or --NH--N.dbd.C(R.sub.4)R.sub.5, whereinR.sub.4 and R.sub.5 are each alkyl,in free form or pharmaceutically acceptable salt form, have pharmaceutical utility, in particular in the treatment or prophylaxis of asthma, or in the treatment of inflammation or psoriasis.
    Type: Grant
    Filed: November 27, 1991
    Date of Patent: August 25, 1992
    Assignee: Sandoz Ltd.
    Inventor: Hans-Jurg Wuthrich