Patent · US Active

Crude glycerol-based product, process for its purification and its use in the manufacture of dichloropropanol

US8124814B2 · kind B2 · utility

3Cited by

99References

17Claims

0Family size

Assignee

SOLVAY (Société Anonyme) · BE

Inventors

Philippe Krafft · Sint-Genesius-Rode, BE
Patrick Gilbeau · Braine-le-Comte, BE
Dominique Balthasart · Brussels, BE

Key dates

Filing date	Jun 12, 2007
Grant date	Feb 28, 2012
Priority date	—
Expiry date	Oct 9, 2027

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC12C11/02
WIPO fieldOrganic fine chemistry
WIPO sectorChemistry

Abstract

The invention relates to a crude glycerol-based product comprising glycerol alkyl ethers, to a purification process comprising a treatment of evaporative concentration, of evaporative crystallization, of distillation, of fractional distillation, of stripping, or of liquid-liquid extraction and to the use of the purified product in the manufacture of dichloropropanol.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.