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. 08, 2011
Filed:
Nov. 07, 2003
Applicant:
Hideo Kawachi, Hyogo, JP;
Inventor:
Hideo Kawachi, Hyogo, JP;
Assignee:
Kaneka Corporation, Osaka-Shi, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07J 9/00 (2006.01); A61K 31/56 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention provides a method of separating ergosterol from a solution containing ergosterol in water-insoluble organic solvent, comprising supplying water to the solution and precipitating ergosterol. According to the method of the present invention, ergosterol crystals can be obtained at a high yield. Moreover, controlled water supply provides granular ergosterol aggregates exhibiting good solid-liquid separation character at a high yield.