Patent · US Expired

High speed lithographic film element

US4230796A · kind A · utility

11Cited by

14References

8Claims

0Family size

Assignee

E.I. DU PONT DE NEMOURS AND COMPANY · US

Inventors

Herbert Gunther · Allendorf (Eder), DE
Herbert Blank · Darmstadt, DE

Key dates

Filing date	Sep 22, 1978
Grant date	Oct 28, 1980
Priority date	—
Expiry date	Sep 22, 1998

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10S430/15
WIPO fieldOptics
WIPO sectorInstruments

Abstract

High speed litho film in which short-life development accelerators such as cysteine methyl ester and its analogues are incorporated into the silver halide emulsion layer.

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