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. 30, 2021
Filed:
Jul. 20, 2017
Applicant:
Basf SE, Ludwigshafen am Rhein, DE;
Inventors:
Hans-Joachim Ressel, Hattersheim, DE;
Kilian Tellman, Cologne, DE;
Mark James Ford, Wiesbaden-Breckenheim, DE;
Martin Littmann, Leverkusen, DE;
Friedrich August Muehlthau, Kelkheim-Fischbach, DE;
Guenter Schlegel, Leverkusen, DE;
Assignee:
BASF SE, Ludwigshafen, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07F 9/32 (2006.01); C07F 9/30 (2006.01);
U.S. Cl.
CPC ...
C07F 9/3211 (2013.01); C07F 9/301 (2013.01);
Abstract
The present invention relates primarily to a process for preparing certain phosphorus-containing cyanohydrins of the formula (I), and also to certain phosphorus-containing cyanohydrins per se and to their use for the preparation of glufosinate and/or glufosinate salts. The present invention further relates to certain mixtures particularly suitable for preparing the phosphorus-containing cyanohydrins of the formula (I).