Aqueous asphalt/wax emulsions for use in gypsum compositions and building products
US8821632B2 · kind B2 · utility
2Cited by
11References
55Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 14, 2012 |
| Grant date | Sep 2, 2014 |
| Priority date | — |
| Expiry date | Aug 14, 2032 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC04B2111/30
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
Aqueous asphalt/wax emulsions are disclosed herein for use in gypsum formulations and other building products. The emulsions may include water; a wax component; an asphalt component; and at least one emulsifier. Optional additives may also be included in the emulsion or in a slurry formed from such emulsion for preparing a settable gypsum composition herein. Methods of making such emulsions are also provided.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.