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:
Nov. 12, 1991
Filed:
Mar. 01, 1989
Applicant:
Inventors:
Assignee:
Hoechst Aktiengesellschaft, Frankfurt am Main, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D / ;
U.S. Cl.
CPC ...
544216 ;
Abstract
Compounds of general formula ##STR1## are disclosed in which R.sup.1 and R.sup.2 are different from one another and denote either a hydrogen atom or a radical of the formula ##STR2## R.sup.3 denotes a substituted or unsubstituted alkoxy, alkenyloxy, alkynyloxy or aryloxy radical, a hydroxyl group or a halogen atom and