Phosphate free nonaqueous liquid nonionic laundry detergent composition and method of use
US4690771A · kind A · utility
15Cited by
10References
20Claims
0Family size
Assignee
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Key dates
| Filing date | Aug 5, 1985 |
| Grant date | Sep 1, 1987 |
| Priority date | — |
| Expiry date | Aug 5, 2005 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC11D17/0004
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
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.