Patents by Inventor Patricia Petit nee Monpontet

Patricia Petit nee Monpontet 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).

  • Aglycons
    Patent number: 4731468
    Abstract: The present invention relates to new aglycons which correspond to the general formula: ##STR1## in which: R.sub.1, R.sub.2, R.sub.3 and R.sub.5, which can be identical or different, represent a hydrogen atom or a group OH, OMetal or OR.sub.4, R.sub.4 being a substituted or unsubstituted C.sub.1 to C.sub.6 alkyl group,R represents a hydrogen atom or a group COCH.sub.2 R', R' being hydrogen or an alkyl, hydroxyl, alkoxy or aryl group,R.sub.6 and R.sub.7, which are always different, represent either a hydrogen atom or an OH group, andR.sub.8 represents a hydrogen atom or the group CH.sub.3 CO--.Application to the preparation of antibiotics and antitumoral agents.
    Type: Grant
    Filed: August 29, 1984
    Date of Patent: March 15, 1988
    Assignee: Laboratoires Hoechst S.A.
    Inventors: Jean-Pierre Gesson, Martine Mondon, Abdallah A. Abdallah, Jean-Claude Jacquesy, Patricia Petit nee Monpontet