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:
Jun. 04, 2019
Filed:
Dec. 30, 2015
Applicant:
Kpc Pharmaceuticals, Inc, Yunnan, CN;
Inventors:
Assignee:
KPC PHARMACEUTICALS, INC, Kunming, Yunnan, CN;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61K 36/708 (2006.01); B01D 11/02 (2006.01);
U.S. Cl.
CPC ...
A61K 36/708 (2013.01); B01D 11/0288 (2013.01); A61K 2236/00 (2013.01); A61K 2236/33 (2013.01); A61K 2236/331 (2013.01);
Abstract
A method for extracting stilbene compounds comprises the following steps: grinding a medicinal material rich in stilbene compounds such as; extracting the medicinal material with a herbal flash extractor for one to four times, 5-20 minutes each time; filtering and combining filtrate and concentrating the filtrate to dryness; the proportion of the medicinal material to a solvent being 1 g: 10 ml-1 g:15 ml.