Patents by Inventor Andreas Stein-Eyer

Andreas Stein-Eyer 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).

  • Side-chain homologous vitamin D derivatives, process for their production, pharmaceutical preparations containing these derivatives and their use as pharmaceutical agents
    Patent number: 5532228
    Abstract: The invention discloses side-chain homologous vitamin D derivatives of formula I ##STR1## in which R.sup.1, R.sup.2, R.sup.3, R.sup.4, R.sup.5, R.sup.6, B, and D have the meanings defined in the specification and either (1) A is a direct bond between carbon atoms 20 and 22 and X is an oxy alkylene radical, --(CH.sub.2).sub.n O-- where n is 1 to 3; (2) A is a methylene bridge, --CH.sub.2 --, between carbon atoms 20 and 22 and X is either an alkylene radical, --(CH.sub.2).sub.n -- or an oxy alkylene radical, --(CH.sub.2).sub.n O--, where n is 1 to 3; or (3) if A is a direct bond and B and D together form a second bond, then X(R.sup.5) (R.sup.6) is ##STR2## The compounds possess proliferation-inhibiting and cell-differentiating activity.
    Type: Grant
    Filed: June 1, 1993
    Date of Patent: July 2, 1996
    Assignee: Schering Aktiengesellschaft
    Inventors: Gunter Neef, Gerald Kirsch, Andreas Stein-Eyer, Katica Schwarz, Matthias Brautigam, Ruth Thieroff-Ekerdt, Petra Rach