Method for production of inclusion water for hardening gypsum, method for production of shaped article of gypsum, and shaped article of gypsum
US4988390A · kind A · utility
4Cited by
4References
3Claims
0Family size
Assignee
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Key dates
| Filing date | Apr 17, 1990 |
| Grant date | Jan 29, 1991 |
| Priority date | — |
| Expiry date | Apr 17, 2010 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC04B40/0028
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
A shaped article of gypsum possessing heretofore unattainable high strength, a method for the production of the shaped article, and a method for the production of inclusion water indispensable to the hardening by hydration of the production of the shaped article of gypsum are disclosed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.