Fibrous inner web for sheet vinyl flooring goods
US4680223A · kind A · utility
6Cited by
5References
9Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Nov 22, 1985 |
| Grant date | Jul 14, 1987 |
| Priority date | — |
| Expiry date | Nov 22, 2005 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T442/699
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A fibrous web is prepared from a composition comprising woodpulp, glass fibers, polyolefin pulp containing carboxylic functionality, an inorganic filler, a polymeric binder, polyolefin pulp devoid of carboxylic functionality, if desired, and polyvinyl chloride, if desired. The fibrous web is useful as an inner layer in a multi-layer sheet floor covering material.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.