Sugar/sugar alcohol esters
US5635614A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jun 9, 1995 |
| Grant date | Jun 3, 1997 |
| Priority date | — |
| Expiry date | Jun 9, 2015 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S435/921
- WIPO fieldBiotechnology
- WIPO sectorChemistry
Abstract
The invention disclosed relates to a process for the preparation of sugar and sugar alcohol esters of general formula I EQU (R--COO--).sub.n --R.sup.1 (I) wherein R is an alkyl group, R.sup.1 is derived from a sugar or a polyol moiety and n is 1 to 3, comprising reacting a sugar or a polyol with an acyl moiety, such as a carboxylic acid or ester, in a suitable solvent therefor and in the presence of an enzymatic catalyst capable of catalyzing the formation of ester bonds, and under reduced pressure sufficient to vaporize the solvent and by-product water, and continuously removing the water.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.