Floor composition
US4444925A · kind A · utility
4Cited by
1References
4Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Dec 16, 1982 |
| Grant date | Apr 24, 1984 |
| Priority date | — |
| Expiry date | Dec 16, 2002 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02W30/91
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
A sub-flooring mix comprising a composition of calcium sulfate hemihydrate and other additives; and sand and water. Polyvinyl alcohol is added to the composition, which prevents surface dusting when the mix sets.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.