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:
Nov. 29, 1977
Filed:
Feb. 13, 1976
Applicant:
Inventors:
Burton H Waxman, Endwell, NY (US);
Michael C Mourning, Vestal, NY (US);
Assignee:
GAF Corporation, New York, NY (US);
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03C / ; G03C / ; G03C / ; C07C / ;
U.S. Cl.
CPC ...
96 2 / ; 96-3 ; 96 55 ; 96 77 ; 9610 / ; 428411 ; 560 32 ;
Abstract
Compounds of the formula: ##STR1## wherein R is halogen or trifluoromethyl, n is 0 to 5, and CD is the residue of a paraphenylenediamine color developer having a primary amino group available for oxidative coupling, the phenoxycarbonyl group being attached to the primary nitrogen atom of the paraphenylenediamine color developer, are used in a receiving sheet of a diffusion transfer photographic element for coupling with a color former to form a stable dye.