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. 16, 1977
Filed:
Apr. 12, 1976
Applicant:
Inventors:
Assignee:
AGFA-GEVAERT N.V., Mortsel, BE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03C / ;
U.S. Cl.
CPC ...
96 8 / ; 96 8 / ;
Abstract
Dyes are described corresponding to the following formula for use as light-absorbing dyes in silver halide photographic material: ##STR1## wherein: Z represents the atoms necessary to form a barbituric acid nucleus (p=1 or 2), a phenyl group (p=0 or 1) or a pyrrole ring (p=0)