Wrapping film
US4170304A · kind A · utility
75Cited by
9References
5Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | May 19, 1978 |
| Grant date | Oct 9, 1979 |
| Priority date | — |
| Expiry date | May 19, 1998 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08L2555/00
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A wrapping film for use in spin wrapping applications is produced by extruding a blend of polyethylene with between 0.5 and 10% by weight of polyisobutylene to form a film and treating one surface of the film with a corona discharge.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.