Block detergent containing nitrilotriacetic acid
US5490949A · kind A · utility
4Cited by
9References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 7, 1995 |
| Grant date | Feb 13, 1996 |
| Priority date | — |
| Expiry date | Mar 7, 2015 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC11D17/0065
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A phosphate-free, solid, block detergent containing an alkali metal salt of nitrilotriacetic acid, an acid, alkali metal containing hydroxides and silicates, and alkali metal containing carbonates and sulfates is taught. A process for producing the block detergent is also taught.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.