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:
Sep. 25, 2018
Filed:
Nov. 26, 2015
Noratech Pharmaceuticals, Inc., Taipei, TW;
Fei Liu, Nanjing, CN;
Cuixia Zhang, Nanjing, CN;
Chenggang Lin, Nanjing, CN;
Chunyan Zhou, Nanjing, CN;
Pan Chen, Nanjing, CN;
Wei Wang, Nanjing, CN;
Lulu Wang, Nanjing, CN;
NORATECH PHARMACEUTICALS, INC., Taipei, TW;
Abstract
The present invention relates to a donepezil derivative of general formula (I) or a pharmaceutically acceptable salt thereof, wherein R in the formula is as disclosed herein; and a method for preparation thereof; and a composition comprising an effective amount of a compound of the general formula (I) or a pharmaceutically acceptable salt thereof. The present invention also relates to use of a compound of the general formula (I) or a pharmaceutically acceptable salt thereof in preparing a medicament for treating a disease resulted from an abnormality in acetylcholinesterase activity.