Lyocell film made from cellulose having low degree of polymerization values
US6440547B1 · kind B1 · utility
80Cited by
104References
1Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 30, 2001 |
| Grant date | Aug 27, 2002 |
| Priority date | — |
| Expiry date | Oct 30, 2021 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/2965
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
The present invention provides lyocell films, having a high hemicellulose content of at least 5%, a low copper number of less than 2, and including cellulose that has a low average degree of polymerization (D.P.) in the range of about 200 to 1100.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.