Coated polyester films
US4391767A · kind A · utility
12Cited by
11References
9Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Sep 17, 1980 |
| Grant date | Jul 5, 1983 |
| Priority date | — |
| Expiry date | Sep 17, 2000 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31797
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
Coating polyester films between the longitudinal and transverse drawing stages of the biaxial orientation process with a non-heat sealing primer coating which may be reclaimable.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.