Compatible mixtures of anionic and cationic surfactants
US8557756B2 · kind B2 · utility
1Cited by
17References
13Claims
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Key dates
| Filing date | Jun 15, 2011 |
| Grant date | Oct 15, 2013 |
| Priority date | — |
| Expiry date | Jan 20, 2032 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC11D1/62
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
Provided are compositions containing a compatible mixture of a cationic surfactant and an anionic surfactant. A composition according to the invention comprises: (a) a first surfactant of formula I:wherein R, R1, R2, and R3 Y, X, and n are as defined below; (b) a second surfactant that is oppositely charged to the first surfactant.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.