Laundry detergents and cleaners with reduced requirement for conventional chemicals
US4830784A · kind A · utility
11Cited by
11References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 2, 1987 |
| Grant date | May 16, 1989 |
| Priority date | — |
| Expiry date | Mar 2, 2007 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC11D2111/46
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
The method of using polyfunctional quaternary ammonium compounds which are at least substantially insoluble in an aqueous fabric detergent solution and/or are fixed to solids correspondingly insoluble in such aqueous solution, as a soil-collecting, concentration-reducing agent for reducing the demand for conventional detergent components in the aqueous solution.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.