Patent · US Active

Recovery of trimethylolpropane from purification residue

US8921618B2 · kind B2 · utility

0Cited by

6References

18Claims

0Family size

Assignee

OXEA BISHOP LLC · US

Inventors

Kenneth A. Windhorst · Portland, US
Oakley T. Cortez · Port Aransas, US
Donald K. Raff · Waynesville, US

Key dates

Filing date	Sep 17, 2012
Grant date	Dec 30, 2014
Priority date	—
Expiry date	Sep 7, 2033

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC07C29/88
WIPO fieldOrganic fine chemistry
WIPO sectorChemistry

Abstract

A method of reclaiming trimethylolpropane from purification residue includes hydrolyzing a purification residue with an aqueous medium in the presence of (i) an acid and (ii) an oxidizing agent. The method is particularly effective to reclaim trimethylolpropane from monolinear-bis-TMP-formal:

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