Patent · US Active

Dianhydrohexitol diester mixture NMR

US9505909B2 · kind B2 · utility

2Cited by

4References

17Claims

0Family size

Assignee

Roquette Freres · FR

Inventors

Michael Grass · Bend, US
Andreas Gevers · Bottrop, DE
Benjamin Woldt · Bochum, DE
Michael Woelk-Faehrmann · Marl, DE

Key dates

Filing date	Dec 19, 2012
Grant date	Nov 29, 2016
Priority date	—
Expiry date	Apr 15, 2033

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC07D493/04
WIPO fieldOrganic fine chemistry
WIPO sectorChemistry

Abstract

An ester mixture of dianhydrohexitol, a composition comprising the ester mixture and a polymer composition comprising the ester mixture or the composition, the use thereof, and a process by which the ester mixture can be prepared, where the ester mixture has a mean chain length of (8.3) to (9.2).

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