Foaming agent composition and process
US5714001A · kind A · utility
79Cited by
20References
34Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 13, 1995 |
| Grant date | Feb 3, 1998 |
| Priority date | — |
| Expiry date | Nov 13, 2015 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC04B2103/40
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
Surfactants containing a mixture of alkyl sulfate and alkyl ether sulfate in specific ratios are provided. Preferred compositions are blends of alkyl sulfate with narrow range alkoxylated alcohols are sulfonated. These compositions are used as improved foaming agent compositions and exhibit desirable foaming characteristics for use in the manufacture of gypsum board and concrete and in oil field applications.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.