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. 13, 2013
Filed:
Oct. 24, 2008
Yuechun Jin, Beijing, CN;
Kezhong LI, Beijing, CN;
Xueting LU, Beijing, CN;
Xiaolin Zhang, Beijing, CN;
Yu Wang, Beijing, CN;
Shuailin Zhou, Beijing, CN;
Chao LI, Beijing, CN;
Yuechun Jin, Beijing, CN;
Kezhong Li, Beijing, CN;
Xueting Lu, Beijing, CN;
Xiaolin Zhang, Beijing, CN;
Yu Wang, Beijing, CN;
Shuailin Zhou, Beijing, CN;
Chao Li, Beijing, CN;
Beijing Tianqing Chemicals Co. Ltd., Beijing, CN;
Abstract
The present application provides a process for continuously producing 3-isothiazolinone derivatives and intermediate products thereof, comprising continuously carrying out four steps, i.e., sulfuration, purification, amination and chlorination. Compared with the batch process of the prior art, the process of the present application may reduce the amount of manufacturing devices, lower energy consumption, simplify operations, and is therefore particularly suitable for mass production.