Process for improving the stability and shaping of anhydrous sodium metasilicate, and the products, and compositions containing same
US3996399A · kind A · utility
3Cited by
5References
7Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jun 9, 1975 |
| Grant date | Dec 7, 1976 |
| Priority date | — |
| Expiry date | Jun 9, 1995 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC01B33/325
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
The invention concerns a process for improving the stability and form of substantially anhydrous sodium metasilicate, and the compositions containing same, and the resulting products. According to the invention, sodium metasilicate is treated with a phosphoric compound. The present invention is used in particular for detergent compositions.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.