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:
Dec. 12, 1978
Filed:
Aug. 02, 1976
Applicant:
Inventors:
Karl Kiehs, Lampertheim, DE;
Rolf Huber, Ludwigshafen, DE;
Assignee:
BASF Aktiengesellschaft, Ludwigshafen am Rhein, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
568593 ; 568649 ; 568652 ; 568653 ; 2603478 ; 2603 / ; 560144 ; 568644 ;
Abstract
New and valuable pyrocatechol derivatives and a process for their preparation. The pyrocatechol derivatives have the formula ##STR1## wherein: R denotes alkyl of from 1 to 4 carbon atoms which may be substituted with halogen; alkenyl having up to 4 carbon atoms which may be substituted with halogen; alkynyl having up to 5 carbon atoms which may be substituted with halogen; or benzyl;