Aqueous liquid solution of a betaine with a solids content of at least 40% by weight
US5354906A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Feb 12, 1993 |
| Grant date | Oct 11, 1994 |
| Priority date | — |
| Expiry date | Feb 12, 2013 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09K23/00
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
An aqueous liquid solution of a betaine of the following general formula is disclosed ##STR1## in which R is an alkyl group of coconut fatty acids, preferably hydrogenated coconut fatty acids, or a fatty acid mixture which, on the average, corresponds to coconut fatty acids, wherein the solution has a solids content of at least 40% by weight, a pH of 5 to 8 and an aminoamide content of not more than 1% by weight, characterized by a content of 1 to 3% by weight, based on the solution, of one or more saturated fatty acids with, on the average, 8 to 18 carbon atoms or one or more unsaturated fatty acids with, on the average, 8 to 24 carbon atoms and 0 to 4% by weight of glycerin, based on the solution.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.