Process for manufacturing cellular plaster and molded plaster articles
US4523954A · kind A · utility
3Cited by
17References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 12, 1982 |
| Grant date | Jun 18, 1985 |
| Priority date | — |
| Expiry date | Oct 12, 2002 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC04B28/145
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
A process for manufacturing a cellular plaster with plaster obtained by calcining phosphogypsum, comprising mixing dry plaster with a previously prepared aqueous foam and with about 0.1-5% by weight, relative to the dry plaster, of slaked lime.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.