Method of manufacturing oriented amorphous aromatic polymeric films
US4120931A · kind A · utility
6Cited by
7References
28Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 26, 1977 |
| Grant date | Oct 17, 1978 |
| Priority date | — |
| Expiry date | May 26, 1997 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB29C55/18
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A method for producing a high-strength film of amorphous aromatic high polymers comprising rolling said polymer between rolls, and stretching the rolled film of said polymer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.