Patent · US Expired

(1,2-naphthoquinone 2-diazide) sulfonic acid esters, radiation-sensitive mixture prepared therewith and radiation-sensitive recording material

US5563018A · kind A · utility

1Cited by

8References

15Claims

0Family size

Assignee

Hoechst GmbH · DE

Inventors

Gerhard Buhr · Königstein, DE
Wolfgang Zahn
Fritz Erdmann · Eltville am Rhein, DE
Siegfried Scheler · Wiesbaden, DE

Key dates

Filing date	Mar 17, 1993
Grant date	Oct 8, 1996
Priority date	—
Expiry date	Mar 17, 2013

Classification

Technology area (CPC G)Physics
CPC primaryG03F7/022
WIPO fieldOrganic fine chemistry
WIPO sectorChemistry

Abstract

The invention relates to 2,3,4-trihydroxy-3'-methyl-, -ethyl-, -propyl- or -isopropylbenzophenone which is completely esterified with (1,2-naphthoquinone 2-diazide)-4-sulfonic acid and/or (7-methoxy-1,2-naphthoquinone 2-diazide)-4-sulfonic acid, a radiation-sensitive mixture prepared therewith, and a radiation-sensitive recording material comprising a substrate and a radiation-sensitive layer which is composed of the mixture according to the invention.

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