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. 31, 1978
Filed:
Aug. 17, 1976
Applicant:
Inventors:
Marcel J Monbaliu, Mortsel, BE;
Hans-Heinrich Credner, Munich, DE;
Wolfgang Himmelmann, Opladen-Lutzenkirchen, DE;
Ernst Meier, Munich, DE;
Gaston J Benoy, Edegem, BE;
Raphael K Van Poucke, Berchem, BE;
Karl-Wilhelm Schranz, Odenthal-Hahnenberg, DE;
George F Van Veelen, Mortsel, BE;
Assignee:
Agfa-Gevaert N.V., Mortsel, BE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03C / ;
U.S. Cl.
CPC ...
9610 / ; 96 565 ; 96111 ;
Abstract
Color photographic material containing a fast-acting hardener, which acts by activating carboxyl groups, wherein said material contains a 2-pyrazolin-5-one coupler precursor corresponding to one of the following general formulae I or II: ##STR1## wherein EACH OF R.sup.1, R and Y are substituents of the type used in 2-pyrazolin-5-one color couplers, and