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:
Mar. 23, 2021
Filed:
Sep. 30, 2016
Applicant:
Basf SE, Ludwigshafen am Rhein, DE;
Inventors:
Tobias Lang, Dossenheim, DE;
Karl-Heinrich Schneider, Kleinkarlbach, DE;
Zoltan Baan, Maxdorf, DE;
Philip Muelheims, Ludwigshafen, DE;
Steffen Tschirschwitz, Mannheim, DE;
Sascha Shuxia Zhu, Viernheim, DE;
Assignee:
BASF SE, Ludwigshafen am Rhein, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07F 9/22 (2006.01); C07F 9/24 (2006.01);
U.S. Cl.
CPC ...
C07F 9/224 (2013.01); C07F 9/222 (2013.01); C07F 9/24 (2013.01); C07F 9/242 (2013.01); C07F 9/2458 (2013.01); C07F 9/2466 (2013.01); C07F 9/2475 (2013.01);
Abstract
Provided herein is a use of a high-boiling solvent in a mixture comprising a (thio)phosphoric acid derivative and a process including the addition of a high-boiling solvent to a mixture comprising a (thio)phosphoric acid derivative to recover the (thio)phosphoric acid from the mixture by an evaporation process.