Plasticized polyvinyl alcohol

US4529666A · kind A · utility

Assignee

• BAYER HEALTHCARE LLC · DE

Inventors

• Herbert Salzburg · Leichlingen, DE
• Klaus Reinking · Wermelskirchen, DE
• Frank Kleiner · Cologne, DE

Key dates

• Filing date: Dec 10, 1984
• Grant date: Jul 16, 1985
• Expiry date: Dec 10, 2004

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10T428/31855
• WIPO field: Surface technology, coating
• WIPO sector: Chemistry

Abstract

Plasticized polyvinyl alcohol containing one or more 1,4-monoanhydrohexitols and/or one or more 1,4-3,6-dianhydrohexitols and its use for the production of composite films by coextrusion, coating, doubling and lamination.