Fabric softeners based on quaternary poly(oxyalkylene) alkanolamine esters
US5254270A · kind A · utility
3Cited by
5References
32Claims
0Family size
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Key dates
| Filing date | Mar 13, 1992 |
| Grant date | Oct 19, 1993 |
| Priority date | — |
| Expiry date | Mar 13, 2012 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC11D3/0015
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
Fabric softeners in the form of aqueous solutions, emulsions or dispersions contain as quaternary ammonium compounds at least one compound of the general formula ##STR1##
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.