Process for the production of sodium percarbonate
US4022874A · kind A · utility
6Cited by
4References
5Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 11, 1974 |
| Grant date | May 10, 1977 |
| Priority date | — |
| Expiry date | Jul 11, 1994 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC01B15/103
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
Processes for the preparation of sodium percarbonate having substantially the formula 2Na.sub.2 CO.sub.3.3H.sub.2 O.sub.2, the processes being particularly suited to the use of ordinary sodium carbonate, which processes comprise reacting 60 to 80 percent hydrogen peroxide with sodium carbonate monohydrate or a hydrate of sodium carbonate containing from about 75 to 90 percent sodium carbonate; and products obtained thereby, particularly those percarbonate products having an excellent resistance to shock and attrition and effective densities of 0.61-0.92 g/cm.sup.3 and mean particle diameters of 250-610 microns.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.