Composite packing film
US4671986A · kind A · utility
8Cited by
3References
16Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 18, 1984 |
| Grant date | Jun 9, 1987 |
| Priority date | — |
| Expiry date | Sep 18, 2004 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31928
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
Composite film for packing comprising an inner supporting layer of a polyolefinic film coated, on one or both faces hereof, with a polyolefin containing free carboxylic acid along the polymeric chain and with a vinyl polymer or with a polyamide.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.