Patents by Inventor Peter Wintergest

Peter Wintergest 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).

  • Chemical compounds having PDE-IV inhibition activity
    Patent number: 5939422
    Abstract: Disclosed is a compound of the formula (I): whereinR.sub.3, R.sub.6a and R.sub.8 are the same or different and represent a C.sub.2-8 alkyl which is unbranched or branched and unsubstituted or substituted; C.sub.3-8 cycloalkyl which is unsubstituted or substituted; C.sub.4-8 cycloalkylalkyl wherein the cycloalkyl portion is unsubstituted or substituted; aryl which is unsubstituted or substituted; aralkyl C.sub.1-4 ; heterocyclyl; and heterocyclylalkyl (C.sub.1 -C.sub.4)R.sub.6b represents H or R.sub.6a, or together R.sub.6b, N, and R.sub.6a make a C.sub.3 -C.sub.
    Type: Grant
    Filed: April 8, 1996
    Date of Patent: August 17, 1999
    Assignee: Euro-Celtique, S.A.
    Inventors: David Cavalla, Anddre Gehrig, Mark Chasin, Peter Hofer, Peter Wintergest