Multilayer films comprising low pressure, low density polyethylene
US4399173A · kind A · utility
61Cited by
5References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 4, 1982 |
| Grant date | Aug 16, 1983 |
| Priority date | — |
| Expiry date | Jan 4, 2002 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31913
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
A multilayer plastic film free of melt fracture suitable for use in packaging and making bags wherein the film comprises a core layer of low melt index, low pressure, low density polyethylene, and two outer layers of a high melt index, low pressure, low density polyethylene. The process of making the multilayer film is also disclosed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.