Patent · US Expired

Photographic recording material

US4636461A · kind A · utility

8Cited by

3References

7Claims

0Family size

Assignee

Agfa-Gevaert NV · BE

Inventors

Manfred Becker · Leverkusen, DE
Reinhart Matejec · Leverkusen, DE
Lothar Endres · Bensberg, DE

Key dates

Filing date	Jan 31, 1985
Grant date	Jan 13, 1987
Priority date	—
Expiry date	Jan 31, 2005

Classification

Technology area (CPC G)Physics
CPC primaryG03C2001/03558
WIPO fieldOptics
WIPO sectorInstruments

Abstract

Photographic recording materials containing a silver halide emulsion in which the grains have zones of differing iodide content provide improved sensitometric results.

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