Coated polyester films
US4224270A · kind A · utility
6Cited by
12References
12Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Oct 26, 1978 |
| Grant date | Sep 23, 1980 |
| Priority date | — |
| Expiry date | Oct 26, 1998 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02W30/62
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A process for the production of a plastics film in which a polymeric composition comprising a fresh linear polyester and polymer derived from a film of a synthetic linear polyester coated with a composition comprising a thermosetting acrylic or methacrylic composition is shaped by extrusion.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.