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:
Oct. 14, 1986
Filed:
Mar. 15, 1985
Applicant:
Inventors:
Assignee:
Ciba-Geigy Corporation, Ardsley, NY (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07D / ; C07D / ;
U.S. Cl.
CPC ...
540-1 ; 430 70 ; 430 71 ; 430 72 ; 430 75 ; 430 83 ; 548417 ; 549 31 ; 549 34 ; 549 35 ; 549 39 ; 549234 ;
Abstract
2- or 2,3-substituted 5,6,11,12-tetraseleneotetracene or -tetrathiotetracene of the formula ##STR1## in which X is S or Se, R is alkoxy, hydroxyalkoxy, aryloxy, cycloalkoxy, aralkoxy, --OH, --NH.sub.2, --Cl, --Br or substituted amino and Y is hydrogen or --COR. The compounds can be bonded as side groups to polymers. The polymers and the compounds combine with electron acceptors to form charge transfer complexes which can be used as electrically conductive layers.