Gypsum composition
US7393424B2 · kind B2 · utility
14Cited by
4References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 16, 2007 |
| Grant date | Jul 1, 2008 |
| Priority date | — |
| Expiry date | May 16, 2027 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC04B2103/006
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
A gypsum composition comprising water, stucco, clay, an amine compound, a polyoxyalkylene, and a comb-branched copolymer is disclosed. The gypsum composition has improved fluidity. A method for preparing the gypsum composition is also disclosed. The method comprises mixing the components to form a slurry, casting the slurry into a product, and drying the product.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.