Patent · US Expired

Color photographic recording material

US4820616A · kind A · utility

7Cited by

3References

5Claims

0Family size

Assignee

Agfa-Gevaert NV · BE

Inventors

Reinhart Matejec · Leverkusen, DE
Manfred Becker · Leverkusen, DE
Heinrich Odenwalder · Leverkusen, DE
Hans-Joerg Metz · Cologne, DE

Key dates

Filing date	Feb 11, 1987
Grant date	Apr 11, 1989
Priority date	—
Expiry date	Feb 11, 2007

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10S430/156
WIPO fieldOptics
WIPO sectorInstruments

Abstract

The sensitivity of highly sensitive color photographic recording materials may be enhanced by compounds releasing fogging or development accelerating compounds as a result of a reaction with color developer oxidation products and fogging may at the same time be reduced by using compounds corresponding to formula I as silver halide stabilizers: ##STR1## wherein Z denotes the atoms required for completing an oxazole or oxazine ring and PA1 Y denotes a condensed aromatic ring system having at least one aromatic ring optionally substituted with an acid group, or a substituent carrying an acid group.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.