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:
Jan. 06, 1976
Filed:
Apr. 30, 1973
Applicant:
Inventors:
Marcel Jan Libeer, Mortsel-Antwerp, BE;
Henri Depoorter, Mortsel-Antwerp, BE;
Gerrit Godfried Van Mierlo, Mortsel-Antwerp, BE;
Raymond Gerard Lemahieu, Wervik-West-Flanders, BE;
Assignee:
Agfa-Gevaert N.V., Mortsel, BE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09b / ; C09b / ;
U.S. Cl.
CPC ...
2602404 ; 96123 ; 96126 ; 96127 ; 96131 ; 96139 ; 2602 / ; 2602401 ; 2602406 ; 26024065 ; 2602407 ; 2602409 ; 2602 / ; 26029359 ; 260309 ;
Abstract
The invention relates to a new class of pyrrolobenzimidazole, benzimidazoloisoquinoline and dipyrodinobenzodiimidazole in cyanine sensitizing dyes derived therefrom and their use in silver halide emulsions, and to methods for preparation of such new dyes.