Spray-dried granular detergent containing aluminosilicate, silicate, and pyrophosphate
US4019999A · kind A · utility
24Cited by
5References
16Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 23, 1975 |
| Grant date | Apr 26, 1977 |
| Priority date | — |
| Expiry date | Jul 23, 1995 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC11D3/08
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A spray-dried granular detergent composition is prepared containing an alkali metal silicate, a particular aluminosilicate, and an alkali metal orthophosphate or pyrophosphate with a limited range of total-free moisture contents. The compositions of the present invention are very effective in cleaning despite the low levels of total phosphate present.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.