The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 01, 1987
Filed:
Sep. 26, 1986
Applicant:
Inventors:
Elemer Ezer, Budapest, HU;
Kalman Harsanyi, Budapest, HU;
Hajnalka Vikar nee Petho, Budapest, HU;
Judit Matuz, Budapest, HU;
Laszlo Szporny, Budapest, HU;
Eszter Cholnoky, Budapest, HU;
Osaba Kuthi, Budapest, HU;
Ferenc Trischler, Budapest, HU;
Bela Hegedus, Budapest, HU;
Marta Kapolnas nee Pap, Budapest, HU;
Anna Kallay nee Sohonyai, Budapest, HU;
Assignee:
Richter Gedeon Vegyeszeti Gyar Rt., Budapest, HU;
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07D / ;
U.S. Cl.
CPC ...
546298 ;
Abstract
New intermediate compounds of the formula (I) are disclosed ##STR1## wherein R is hydrogen or C.sub.1 to C.sub.4 alkyl;