Patents by Inventor Gabor Rubayi

Gabor Rubayi 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).

  • Patent number: 6136800
    Abstract: This invention describes the new 17-difluoromethylene-estratrienes of general formula I ##STR1## in which R.sup.1 is a hydrogen atom or a C.sub.1 -C.sub.10 alkyl group,R.sup.5 is a methyl or ethyl group, andR.sup.2 is a hydrogen atom or a C.sub.1 -C.sub.10 alkyl group in .alpha.- or .beta.-position,R.sup.3 is a hydrogen atom or a C.sub.1 -C.sub.10 alkyloxy group in .alpha.- or .beta.-position,R.sup.4 is a hydrogen atom in .alpha.- or .beta.-position, and A, B, D, E and G each is a hydrogen atom, and optionally at least one of substituent pairsG and R.sup.2, R.sup.2 and R.sup.4, R.sup.4 and A, A and R.sup.3, B and D, D and E is a double bond.
    Type: Grant
    Filed: March 8, 1999
    Date of Patent: October 24, 2000
    Assignee: Schering Aktiengesellschaft
    Inventors: Rolf Bohlmann, Gabor Rubayi