Patent · US Expired

Method of developing x-ray materials

US5296342A · kind A · utility

5Cited by

1References

9Claims

0Family size

Assignee

Agfa-Gevaert NV · BE

Inventors

Andre Roefs · Herentals, BE
Francis J. Sels · Kontich, BE
Marc Van den Zegel · Boortmeerbeek, BE

Key dates

Filing date	Nov 12, 1992
Grant date	Mar 22, 1994
Priority date	—
Expiry date	Nov 12, 2012

Classification

Technology area (CPC G)Physics
CPC primaryG03C5/305
WIPO fieldOptics
WIPO sectorInstruments

Abstract

For the processing in a total processing time of 60 seconds or less of exposed X-ray materials containing silver bromide or silver bromoiodide emulsions use is made of an aqueous alkaline photographic developing solution, having a pH in the range of 9 to 12, comprising a dihydroxybenzene developing agent, 4-hydroxymethyl-4-methyl-1-phenyl-3-pyrazolidinone as an auxiliary developing agent, at least one organic antifoggant and a compound providing iodide ions.

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