Patent · US Expired

Photopolymerizable compositions for the production of printing plates and relief plates containing dianthronyl or bisanthrone compound

US4189322A · kind A · utility

2Cited by

2References

5Claims

0Family size

Assignee

BASF SE

Inventors

Gerhard Hoffmann · Otterstadt, DE
Dieter Kleuser · Bischofswerda, DE
Bernd Bronstert · Otterstadt, DE

Key dates

Filing date	May 3, 1978
Grant date	Feb 19, 1980
Priority date	—
Expiry date	May 3, 1998

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10S430/124
WIPO fieldOptics
WIPO sectorInstruments

Abstract

Photopolymerizable compositions for the production of printing plates and relief plates, consisting essentially of a photoinitiator-containing mixture of olefinically unsaturated photopolymerizable compounds with polymeric binders, contain up to 1% by weight of a compound having the structural element of anthrone, e.g. bianthrone and 9,9'-bianthryl, which results in an improved relief image in the production of relief plates.

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