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:
Aug. 14, 1990
Filed:
Jun. 05, 1989
Applicant:
Inventors:
Assignee:
BASF Aktiengesellschaft, Ludwigshafen, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03C / ;
U.S. Cl.
CPC ...
430271 ; 430281 ; 430300 ; 430510 ; 430512 ; 430517 ; 430522 ;
Abstract
A photosensitive recording element possessing a photosensitive recording layer which is applied to a dimensionally stable base, if desired on top of one or more intermediate layers, and has good photochemical properties and a long shelf life contains special sulfo-containing azo or azoxy dyes for controlling the photochemical properties in the photosensitive recording layer and/or in any intermediate layer present. Dyes which are suitable for use according to the invention can be obtained, for example, by autocondensation of 5-nitro-o-toluenesulfonic acid.