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. 01, 1986
Filed:
Nov. 23, 1984
Applicant:
Inventors:
Peter Bergthaller, Bergisch Gladbach, DE;
Hauke Furstenwerth, Cologne, DE;
Rudolf Stolzenburg, Langenfeld, DE;
Paul Marx, Leverkusen, DE;
Holger Heidenreich, Cologne, DE;
Assignee:
Agfa-Gevaert Aktiengesellschaft, Leverkusen-Bayerwerk, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03C / ; G03C / ;
U.S. Cl.
CPC ...
430241 ; 430223 ; 430242 ; 430562 ;
Abstract
Dyes corresponding to formula I may be released imagewise from dye releasers in the dye diffusion transfer process. The dyes obtained are lightfast cyan dyes with improved spectral properties and reduced sensitivity to reducing agents ##STR1## the meanings of symbols given in formula I (A, A', G, R.sup.1, R.sup.2, R.sup.3 and R.sup.4) are indicated in the description.