Washing and cleaning agents containing .beta.-alanine-N,N-diacetic acid
US4997587A · kind A · utility
10Cited by
5References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 17, 1989 |
| Grant date | Mar 5, 1991 |
| Priority date | — |
| Expiry date | Aug 17, 2009 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC11D3/33
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
Washing and cleaning agents for aqueous use contain from 2 to 25% by weight, based on the total weight of the agent, of .beta.-alanine-N,N-diacetic acid or an alkali metal or ammonium salt thereof as water softener. The washing and cleaning agent is effective in preventing hardness deposits on textiles and fabrics.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.