Compositions comprising combination of DEFI and modified DEFI and methods of making
US6562874B1 · kind B1 · utility
7Cited by
9References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 7, 1999 |
| Grant date | May 13, 2003 |
| Priority date | — |
| Expiry date | Dec 7, 2019 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S516/912
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
Composition may be prepared in a single DEFI reactor comprising mixtures of (1) DEFI (directly esterified fatty acyl isethionate) and (2) a compound produced by the reaction of (a) isethionate with a fatty acid replacement (e.g., a multicarboxylic fatty acid, a fatty acid); or (b) fatty acid with an isethionate replacement (e.g., C2-C24 alcohols, C2-C20 organic acids, amines). Such mixtures are milder than DEFI alone while retaining substantially same foaming benefit.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.