Extraneous dye or colorant scavenging system in laundry
US4380453A · kind A · utility
34Cited by
7References
13Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Nov 12, 1980 |
| Grant date | Apr 19, 1983 |
| Priority date | — |
| Expiry date | Nov 12, 2000 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC11D17/049
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A system for controlling extraneous free flowing dyes or colorants in a liquid bath by using a dye scavenger member having a textile substrate or the like impregnated with a dye scavenging material such as N-trisubstituted ammonium 2 hydroxy 3 halopropryl compounds or salts of epoxy propyl ammonium compounds such as glycidyltrimethylammonium chloride. Such members, and the methods of making and using same are included.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.