Betaine esters and process for making and using
US9487805B2 · kind B2 · utility
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12References
13Claims
0Family size
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Key dates
| Filing date | Sep 3, 2015 |
| Grant date | Nov 8, 2016 |
| Priority date | — |
| Expiry date | Sep 3, 2035 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC11D1/90
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
A variety of betaine esters, including dialkylaminoalkyl cocoate betaines and dialkylaminoalkyl hydrogenated cocoate betaines are disclosed. These betaines can be advantageously prepared in high yield and purity by a three-step transiterification chemoenzymatic process or a two-step direct esterficiation chemoenzymatic process. These betaine esters have excellent surfactant properties.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.