The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 10, 2019
Filed:
May. 15, 2014
Applicant:
Georgia-pacific Llc, Atlanta, GA (US);
Inventors:
Gerardus Wilhelmus Adrianus Hangx, Echt, NL;
Gerardus Johannes Paulus Krooshof, Echt, NL;
Arie De Rijke, Echt, NL;
Assignee:
GEORGIA-PACIFIC LLC, Atlanta, GA (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B01D 3/36 (2006.01); C07C 53/02 (2006.01); C07C 51/42 (2006.01); C07C 51/44 (2006.01); C07C 51/46 (2006.01); C07C 51/48 (2006.01);
U.S. Cl.
CPC ...
C07C 51/46 (2013.01); B01D 3/36 (2013.01); C07C 51/42 (2013.01); C07C 51/44 (2013.01); C07C 51/48 (2013.01); C07C 53/02 (2013.01);
Abstract
The invention relates to a process to separate formic acid from methyltetrahydrofuran (MTHF) said process comprising subjecting a composition comprising formic acid and MTHF to distillation, characterized in that the process comprises adding water to said distillation. This allows for cost-efficient recovery and recycling of MTHF, for example in process to produce and recover formic acid from a biomass hydrolysate.