Patent · US Expired

Lithographic base with a modified dextran or pullulan hydrophilic layer

US5402725A · kind A · utility

5Cited by

8References

5Claims

0Family size

Assignee

Agfa-Gevaert NV · BE

Inventors

Joan Vermeersch · Deinze, BE
Paul Coppens · Turnhout, BE
Guido Hauquier · Nijlen, BE
Etienne Schacht · Staden, BE

Key dates

Filing date	May 20, 1992
Grant date	Apr 4, 1995
Priority date	—
Expiry date	May 20, 2012

Classification

Technology area (CPC G)Physics
CPC primaryG03F7/07
WIPO fieldOptics
WIPO sectorInstruments

Abstract

This invention provides a lithographic base comprising a support provided with a hardened hydrophilic layer wherein the hardened hydrophilic layer comprises a dextran or pullulan modified with a group containing amine or amide functions having at least one free hydrogen.

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