Novel oriented polyester film composites
US4880700A · kind A · utility
28Cited by
6References
25Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 12, 1987 |
| Grant date | Nov 14, 1989 |
| Priority date | — |
| Expiry date | Aug 12, 2007 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31797
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
Oriented polyester film composites comprise, on at least one face surface of the polyester base, a primer coating adapted to enhance the adhesion of topcoats thereto, said adhesive primer coating comprising a modified copolymer produced by aqueous phase radical polymerization of at least one acrylic monomer in the presence of a water-soluble or water-dispersible copolyester containing a plurality of sulfonyloxy groups.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.