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:
Apr. 16, 1991
Filed:
Apr. 10, 1989
Applicant:
Inventors:
Gerhard Heywang, Bergisch Gladbach, DE;
Friedrich Jonas, Aachen, DE;
Assignee:
Bayer Aktiengesellschaft, Leverkusen, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
558396 ; 562427 ; 564341 ; 568 44 ; 568 47 ; 568 48 ; 568 49 ; 568 56 ; 568 57 ;
Abstract
The invention relates to mercaptopyrenes of the formula ##STR1## in which n denotes a whole number from 3 to 10 and