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.:

US 8329940 B1

PDF
Full Text
Expired
Date of Patent:
Dec. 11, 2012

Filed:

Dec. 30, 2009
Applicants:

Chun-nan Lin, Kaohsiung, TW;

Dravidum Maitraie, Kaohsiung, TW;

Jih-pyang Wang, Kaohsiung, TW;

Chi-feng Hung, Kaohsiung, TW;

Huang-yao Tu, Kaohsiung, TW;

Ya-ting Liou, Kaohsiung, TW;

Bai-luh Wei, Kaohsiung, TW;

Shyh-chyun Yang, Kaohsiung, TW;

Inventors:

Chun-Nan Lin, Kaohsiung, TW;

Dravidum Maitraie, Kaohsiung, TW;

Jih-Pyang Wang, Kaohsiung, TW;

Chi-Feng Hung, Kaohsiung, TW;

Huang-Yao Tu, Kaohsiung, TW;

Ya-Ting Liou, Kaohsiung, TW;

Bai-Luh Wei, Kaohsiung, TW;

Shyh-Chyun Yang, Kaohsiung, TW;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C 61/12 (2006.01); C07C 69/74 (2006.01); C07D 313/06 (2006.01);
U.S. Cl.
CPC ...
Abstract

The present invention provides a chemical compound having the structure being one selected from a group consisting of wherein Ris one selected from a group consisting of COOCH, COOCHPh, CONHCH(CH)and CONHCH, Ris one selected from a group consisting of H, CHand CH(CH), Ris one selected from a group consisting of H, CH, CH(CH)and CHPh, and Ris one of CH(CH)and CH.


Find Patent Forward Citations

Lin, Chun-Nan. (2012). 18β-glycyrrhetinic acid derivatives and synthetic method thereof (U.S. Patent No. 8329940). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8329940

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