Copolymers of ethylene

US5492990A · kind A · utility

Assignee

• Hoechst GmbH · DE

Inventors

• John Hobes · Dinslaken, DE
• Wilhelm Zoller

Key dates

• Filing date: Aug 22, 1994
• Grant date: Feb 20, 1996
• Expiry date: Aug 22, 2014

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C08F210/02
• WIPO field: Macromolecular chemistry, polymers
• WIPO sector: Chemistry

Abstract

Copolymers of ethylene, a vinyl ester of a tertiary saturated monocarboxylic acid and optionally a further monomer, and a process for making them. The copolymers are suitable for producing films of high mechanical strength and excellent optical properties.