Solid detergents
US5399297A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jun 3, 1993 |
| Grant date | Mar 21, 1995 |
| Priority date | — |
| Expiry date | Jun 3, 2013 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC11D17/0065
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
Solid detergent compositions containing up to 40% by weight of water are obtained by mixing 100 parts by weight of an aqueous 40 to 60% by weight alkyl sulfate paste at 20.degree. to 80.degree. C. with (a) 15 to 100 parts by weight of a sodium salt selected from the group consisting of sodium sulfate, sodium carbonate and sodium silicate; and/or (b) 10 to 300 parts by weight aluminosilicate; and converting the solid mixture obtained into particulate or powder form at 20.degree. to 60.degree. C.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.