Patent · US Expired

Sugar/sugar alcohol esters

US5635614A · kind A · utility

0Cited by
2References
17Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 9, 1995
Grant dateJun 3, 1997
Priority date
Expiry dateJun 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.