Process for the manufacture of nonwoven surfaces
US8557170B2 · kind B2 · utility
0Cited by
3References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 20, 2005 |
| Grant date | Oct 15, 2013 |
| Priority date | — |
| Expiry date | Nov 19, 2027 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08L2205/02
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
The present invention relates to a novel process for the manufacture of nonwoven surfaces.It relates more particularly to a process for the manufacture of nonwoven surfaces by the process of direct melt spinning of continuous filaments arranged in the form of a sheet. This process employs a composition based on a thermoplastic polymer exhibiting an electrical conductivity sufficient to prevent the formation of electrostatic charges or to allow their removal during the spinning process.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.