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:
Oct. 06, 2015

Filed:

Mar. 29, 2010
Applicants:

Song LI, Beijing, CN;

Wu Zhong, Beijing, CN;

Zhibing Zheng, Beijing, CN;

Junhai Xiao, Beijing, CN;

Bing LI, Beijing, CN;

Yunde Xie, Beijing, CN;

Xinbo Zhou, Beijing, CN;

Inventors:

Song Li, Beijing, CN;

Wu Zhong, Beijing, CN;

Zhibing Zheng, Beijing, CN;

Junhai Xiao, Beijing, CN;

Bing Li, Beijing, CN;

Yunde Xie, Beijing, CN;

Xinbo Zhou, Beijing, CN;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A01N 43/42 (2006.01); A61K 31/44 (2006.01); A61K 9/16 (2006.01); A61K 9/20 (2006.01); C07D 471/04 (2006.01);
U.S. Cl.
CPC ...
A61K 31/44 (2013.01); A61K 9/1641 (2013.01); A61K 9/2031 (2013.01); A61K 9/2077 (2013.01); C07D 471/04 (2013.01);
Abstract

The present invention relates to a sustained-release composition containing 2,3,4,5-tetrahydro-2,8-dimethyl-5-[2-(6-methyl-3-pyridyl)ethyl]-1H-pyrido[4,3-b]indole or a pharmaceutically acceptable salt thereof as an active ingredient, preparation thereof and the compound. The composition is suitable for oral administration by one time per day, and achieves the peak plasma concentration at 1.0 to 3 hours after oral administration. The composition is suitable for manufacturing a medicament for treatment of cognitive dysfunction syndrome, Alzheimer's disease, Parkinson's disease, Huntington's disease, or senile dementia.


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