Glass-containing sheet substrate
US4220500A · kind A · utility
14Cited by
5References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 5, 1979 |
| Grant date | Sep 2, 1980 |
| Priority date | — |
| Expiry date | Jan 5, 1999 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T442/697
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
A non-woven glass fiber-containing sheet composed of a top layer of a mixture of glass fiber with other fiber and a back layer of a mixture of fiber other than glass fiber with polyvinyl chloride fiber or polyvinyl chloride latex flocculate is a suitable substrate for processing it into flooring, walling, roofing, etc. by impregnating it with a polyvinyl chloride sol to strengthen the sheet without exudation of the sol onto the back layer surface.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.