Nonwoven based on polymers derived from lactic acid, process for manufacture and use of such a nonwoven
US5985776A · kind A · utility
14Cited by
10References
17Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 1, 1994 |
| Grant date | Nov 16, 1999 |
| Priority date | — |
| Expiry date | Aug 1, 2014 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T442/696
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A nonwoven fabric formed from filaments made from a polymer derived from L- and D-lactic acid. The nonwoven fabric is biodegradable and especially suitable for use in disposable hygiene products.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.