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:
Feb. 19, 2008
Filed:
Apr. 16, 2003
Applicants:
Jianqi LI, Shanghai, CN;
Liying Huang, Shanghai, CN;
Chunnian Zhang, Shanghai, CN;
Xican Tang, Shanghai, CN;
Guoyuan HU, Shanghai, CN;
Inventors:
Jianqi Li, Shanghai, CN;
Liying Huang, Shanghai, CN;
Chunnian Zhang, Shanghai, CN;
Xican Tang, Shanghai, CN;
Guoyuan Hu, Shanghai, CN;
Assignees:
Nhwa Pharma. Corporation, Jiangsu, CN;
Shanghai Institute of Pharmaceutical Industry, Shanghai, CN;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61K 31/497 (2006.01); A61K 31/4965 (2006.01); C07D 241/02 (2006.01); C07D 401/00 (2006.01); C07D 403/00 (2006.01); C07D 405/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
Arylalkyl ketone piperazine derivatives of the formula: and pharmaceutical compositions comprising the same. Also disclosed are methods for using the compounds as analgesic and sedative agents. The compounds of the present invention have good analgesic and sedative activities but few side effects.