Patent · US Active

Process for the recovery of carboxylic acid and wood treatment process

US10017449B2 · kind B2 · utility

0Cited by

4References

17Claims

0Family size

Assignee

RHODIA ACETOW GMBH · DE

Inventors

Thomas Krumrey · Teningen, DE
Andreas Hummel · Glückstadt, DE
Dirk Hölter · Emmendingen, DE

Key dates

Filing date	Aug 13, 2015
Grant date	Jul 10, 2018
Priority date	—
Expiry date	Aug 13, 2035

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY02P20/582
WIPO fieldOrganic fine chemistry
WIPO sectorChemistry

Abstract

The present invention concerns a process for the recovery of carboxylic acid from a fraction comprising carboxylic acid and impurities, and a process for the manufacture of treated wood, which comprise the step of submitting a fraction containing carboxylic acid and impurities to a gas stripping operation.

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