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. 12, 1982
Filed:
Oct. 14, 1980
Applicant:
Inventors:
Gunter Helling, Cologne, DE;
Kaspar Wingender, Leverkusen, DE;
Wolfgang Himmelmann, Leverkusen, DE;
Manfred Beck, Odenthal, DE;
Assignee:
AGFA-Gevaert AG, Leverkusen, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03C / ;
U.S. Cl.
CPC ...
430213 ; 430371 ; 430518 ;
Abstract
As mordant for mordanting diffusing anionic dyes in image receiving layers of photographic dye diffusion materials the invention makes use of addition polymers having at least 10 mole % of recurring structural units of formula I ##STR1## in which Q represents nitrogen or phosphorus;