Multilayer film having a layer of low pressure, low density heterogeneous ethylene copolymers
US4464426A · kind A · utility
25Cited by
15References
10Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Nov 3, 1981 |
| Grant date | Aug 7, 1984 |
| Priority date | — |
| Expiry date | Nov 3, 2001 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31913
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
A multilayer plastic film suitable for use in the manufacture of garbage and trash bags wherein the film comprises at least one layer of a high pressure low density polyethylene, and a layer comprising low pressure low density gas phase heterogeneous copolymers formed from ethylene, and at least one of propylene and butene-1 and at least one C.sub.5 -C.sub.8 comonomer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.