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:
Jul. 02, 2013
Filed:
Aug. 18, 2010
Yang-chang Wu, Kaohsiung, TW;
Fang-rong Chang, Kaohsiung, TW;
Lien-chai Chiang, Kaohsiung, TW;
Kaohsiung Medical University, Kaohsiung, TW;
Abstract
New pharmaceutical compositions extracted from-are confirmed to effectively treat influenza A (HN) virus. The extraction method of the new pharmaceutical compositions mainly includes steps of (a) extracting-with methanol to obtain a crude extract; (b) fractioning the crude extract with n-hexane-methanol to obtain a methanol extract; (c) fractioning the methanol extract with chloroform-water to obtain a chloroform extract; and (d) chromatographing the chloroform extract to obtain the pharmaceutical compositions, which can be further fractioned and chromatographed to obtain various sesquiterpene coumarins.