Patent · US Active

Method for production of 1,6-hexanediol with a purity in excess of 99.5%

US7449609B2 · kind B2 · utility

4Cited by

2References

20Claims

0Family size

Assignee

BASF SE

Inventors

Andrea Haunert · Mannheim, DE
Rolf Pinkos · Bad Dürkheim, DE
Thomas Krug · Worms, DE
Tilman Sirch · Schifferstadt, DE
Michael Koch · Speyer, DE
Gerd-Dieter Tebben · Mannheim, DE

Key dates

Filing date	Jul 7, 2005
Grant date	Nov 11, 2008
Priority date	—
Expiry date	Nov 15, 2026

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC07C2601/14
WIPO fieldOrganic fine chemistry
WIPO sectorChemistry

Abstract

The present invention provides a process for preparing 1,6-hexanediol by hydrogenating dialkyl adipates, alkyl 6-hydroxycaproates, 1,4-cyclohexanedione and 4-hydroxycyclohexan-1-one as ester mixtures comprising impurities, by

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