Patent · US Expired

Process of preparing photographic silver halide emulsion

US4278759A · kind A · utility

4Cited by

6References

2Claims

0Family size

Assignee

AGFA-Gervaert AG · DE

Inventors

Wilhelm Saleck
Erich Wolff · Solingen, DE
Erwin Muller · Dürnten, CH

Key dates

Filing date	May 24, 1979
Grant date	Jul 14, 1981
Priority date	—
Expiry date	May 24, 1999

Classification

Technology area (CPC G)Physics
CPC primaryG03C1/043
WIPO fieldOptics
WIPO sectorInstruments

Abstract

A homo- or copolymer containing copolymerized monomeric units of the formula ##STR1## is a valuable peptizing agent for the precipitation of silver halide. Sensitivity, onset of development and silver covering power are advantageously influenced.

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