Patent · US Expired

Photographic recording material and process for the production of photographic images

US4906557A · kind A · utility

4Cited by

2References

8Claims

0Family size

Assignee

Agfa-Gevaert NV · BE

Inventors

Manfred Becker · Leverkusen, DE
Reinhart Matejec · Leverkusen, DE
Hans hlschlager · Bensberg, DE

Key dates

Filing date	Feb 9, 1989
Grant date	Mar 6, 1990
Priority date	—
Expiry date	Feb 9, 2009

Classification

Technology area (CPC G)Physics
CPC primaryG03C1/346
WIPO fieldOptics
WIPO sectorInstruments

Abstract

Improved photographic recording materials contain silver halide grains having at least two zones differing in their halide composition and, as stabilizer, a compound corresponding to the formula ##STR1##

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