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. 16, 1980
Filed:
Sep. 15, 1978
Applicant:
Inventors:
Phillip Rossy, Ludwigshafen, DE;
Werner Hoffmann, Neuhofen, DE;
Assignee:
BASF Aktiengesellschaft, , DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D / ; C07D / ;
U.S. Cl.
CPC ...
549 61 ; 549 64 ; 549 65 ; 549 66 ;
Abstract
New thiophene compounds and a new process for the manufacture of thiophene compounds by dehydrogenating dihydrothiophene with certain halogen compounds. The products are starting materials for the manufacture of pharmaceuticals, dyes and plant protection agents and, in particular, for the manufacture of additives to foodstuffs, feeds, beverages and pharmaceuticals.