Polyquat anionic scavengers for rinse cycle fabric softeners
US6784152B2 · kind B2 · utility
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10References
24Claims
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Key dates
| Filing date | May 10, 2002 |
| Grant date | Aug 31, 2004 |
| Priority date | — |
| Expiry date | Nov 21, 2022 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC11D3/3723
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A rinse cycle fabric softener concentrate having improved softening properties consisting essentially of a blend of at least one polyquat and a cationic fabric softener agent selected from the group consisting of ester-containing quaternary ammonium compounds, amido amine quaternary ammonium compounds, imidazoline quats and mixtures and salts thereof.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.