Non-asbestos flooring felt containing particulate inorganic filler, a mixture of fibers and a binder
US4373992A · kind A · utility
47Cited by
6References
15Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Mar 31, 1981 |
| Grant date | Feb 15, 1983 |
| Priority date | — |
| Expiry date | Mar 31, 2001 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T442/53
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
Flooring felt containing glass fibers, cellulosic fibers, synthetic fibers, particulate inorganic filler, latex binder and calcium hydroxide.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.