Low phosphate or phosphate free nonaqueous liquid nonionic laundry detergent composition and method of use
US4769168A · kind A · utility
6Cited by
11References
22Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 19, 1986 |
| Grant date | Sep 6, 1988 |
| Priority date | — |
| Expiry date | Feb 19, 2006 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC11D17/0004
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A low polyphosphate or a polyphosphate free liquid heavy duty laundry detergent composition comprising a suspension of an alkali metal salt of nitrilotriacetic acid (NTA) and zeolite detergent builders in liquid nonionic surfactant. The laundry detergent composition comprises a nonaqueous liquid nonionic surfactant containing a stable suspension of a mixture of an alkali metal salt of nitrilotriacetic acid (NTA) and zeolite builders.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.