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:
May. 29, 1984
Filed:
Nov. 25, 1981
Applicant:
Inventors:
Assignee:
AGFA-GEVAERT, N.V., Mortsel, BE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03C / ;
U.S. Cl.
CPC ...
430445 ; 430489 ; 430611 ; 430600 ; 430446 ; 430448 ; 430449 ;
Abstract
The present invention deals with novel antifogging compounds and their use in a method of photographic reproduction comprising developing a photographic material having at least one exposed silver halide emulsion layer in the presence of a 1-phenyl-5-mercaptotetrazole compound wherein the phenyl group bears a substituent comprising at least one thioether function.