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.

Date of Patent:
Feb. 26, 2019

Filed:

Feb. 04, 2016
Applicants:

Shanghai Dude Medical Science and Technology Co., Ltd, Shanghai, CN;

Chia Tai Tianqing Pharmaceutical Group Co., Ltd., Lianyungang, Jiangsu Province, CN;

Lianyungang Runzhong Pharmaceutical Co., Ltd., Lianyungang, Jiangsu Province, CN;

Inventors:

Xiquan Zhang, Lianyungang, CN;

Rui Kong, Shanghai, CN;

Xin Liu, Shanghai, CN;

Shan Chen, Shanghai, CN;

Xiaoping Chen, Shanghai, CN;

Leilei Yang, Lianyungang, CN;

Aiming Zhang, Lianyungang, CN;

Xingdong Cheng, Lianyungang, CN;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61K 31/519 (2006.01); C07D 487/04 (2006.01);
U.S. Cl.
CPC ...
C07D 487/04 (2013.01); Y02P 20/55 (2015.11);
Abstract

The present application relates to a method for preparing Ibutinib as shown by the following synthetic route and the intermediate compounds involved therein.


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