Composite nonwoven sheet
US4647497A · kind A · utility
41Cited by
0References
11Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jun 7, 1985 |
| Grant date | Mar 3, 1987 |
| Priority date | — |
| Expiry date | Jun 7, 2005 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T442/197
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
A composite nonwoven sheet is provided having a polyolefin synthetic pulp layer, optionally containing woodpulp and adhesive binder, is adhered by adhesive binder to a continuous filament scrim. The pulp surface of the composite has unexpectedly high abrasion resistance.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.