Liquid cleaning compositions and shampoos containing dianionic or alkoxylated dianionic surfactants
US6239093A · kind A · utility
47Cited by
15References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 22, 1998 |
| Grant date | May 29, 2001 |
| Priority date | — |
| Expiry date | Dec 22, 2018 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K2800/596
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
This invention relates to a liquid cleaning composition or shampoo comprising a surfactant system containing a dianionic or alkoxylated dianionic surfactant having a structural skeleton of at least five carbon atoms to which two anionic substituent groups spaced at least three atoms apart are attached, wherein one anionic substituent group is a sulfate group or an alkoxy-linked sulfate group and the other anionic substituent is selected from sulfate and sulfonate optionally alkoxy-linked, in combination with one or more other co-surfactants.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.