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:
Aug. 28, 2018
Filed:
Oct. 11, 2017
Applicant:
Air Water Inc., Sapporo-shi, Hokkaido, JP;
Inventors:
Assignee:
AIR WATER INC., Sapporo-shi, JP;
Primary Examiner:
Int. Cl.
CPC ...
C07C 213/08 (2006.01); C07C 217/58 (2006.01); C07C 213/10 (2006.01);
U.S. Cl.
CPC ...
C07C 213/08 (2013.01); C07C 213/10 (2013.01); C07C 217/58 (2013.01);
Abstract
There is provided a method for producing, at a high yield, a composition containing 3-chloro-4-methoxybenzylamine hydrochloride (CMBA-HCl) in which the purity of CMBA-HCl is high. This method comprises a chlorination step involving a chlorination reaction that generates CMBA-HCl from 4-methoxybenzylamine hydrochloride using hydrogen peroxide and hydrochloric acid. There is also provided a CMBA-HCl-containing composition which is produced by the aforementioned production method and in which the purity of CMBA-HCl is high.