Radiation-sensitive polymers

US5130392A · kind A · utility

Assignee

• BASF SE

Inventors

• Reinhold Schwalm · Monsheim, DE
• Andreas Boettcher · Leimen, DE

Key dates

• Filing date: Jan 9, 1990
• Grant date: Jul 14, 1992
• Expiry date: Jan 9, 2010

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C08F246/00
• WIPO field: Macromolecular chemistry, polymers
• WIPO sector: Chemistry

Abstract

Radiation-sensitive polymers suitable for use in positive- and negative-working recording elements contain not only acid-labile groups but also onium salt groups having nonnucleophilic counterions in one and the same molecule.