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:
Jun. 29, 2021
Filed:
Dec. 31, 2019
Applicant:
Basf SE, Ludwigshafen am Rhein, DE;
Inventors:
Eric George Klauber, Bad Duerkheim, DE;
Michael Rack, Eppelheim, DE;
Roland Goetz, Neulussheim, DE;
Sebastian Soergel, Ludwigshafen, DE;
Assignee:
BASF SE, Ludwigshafen, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D 237/12 (2006.01); C07D 237/20 (2006.01); C07D 401/12 (2006.01); C07B 31/00 (2006.01); C07B 39/00 (2006.01); C07B 43/04 (2006.01); C07D 403/12 (2006.01);
U.S. Cl.
CPC ...
C07D 237/20 (2013.01); C07B 31/00 (2013.01); C07B 39/00 (2013.01); C07B 43/04 (2013.01); C07D 237/12 (2013.01); C07D 401/12 (2013.01); C07D 403/12 (2013.01);
Abstract
Provided herein is a process for preparing a pyridazine amine compound of formula V, and a process for preparing dichloropyridazine amine compounds of formula IVa, IVb, and mixtures thereof. Further, provided herein are novel dichloropyridazine amine compounds of formula IVa, IVb, and mixtures thereof, wherein the amino group is an ethylamino group.