Patents by Inventor Kurt Kebeler

Kurt Kebeler 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).

Substituted 3-thia- and 3-oxa-alkylflavones, a process for their preparation, the use thereof, medicaments based on these compounds and intermediates

Patent number: 5173498

Abstract: Substituted 3-thia- and 3-oxa-alkylflavones of formula I ##STR1## wherein R, R.sup.1, R.sup.2, R.sup.3, R.sup.4 X, m and n have the indicated meanings, a process for the preparation of these compounds and their use as medicaments and pharmaceutical preparations are described. In addition, new intermediates for the preparation of the compounds of formula I are described.

Type: Grant

Filed: April 4, 1991

Date of Patent: December 22, 1992

Assignee: Hoechst Aktiengesellschaft

Inventors: Gerhard Beck, Ulrich Schacht, Kurt Kebeler, Ernold Granzer

Substituted 3-thia- and 3-oxa-alkylflavones, a process for their preparation, the use thereof, medicaments based on these compounds and intermediates