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:
Jan. 07, 2003
Filed:
Feb. 23, 2001
Applicant:
Inventors:
Jin Woong Kim, Seoul, KR;
Young Hae Choi, Seoul, KR;
Ki Pung Yoo, Seoul, KR;
Min Jeong Noh, Daejon, KR;
Joo Hee Han, Daejon, KR;
Assignee:
Hanwha Chemical Corporation, Seoul, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D 1/102 ; A61K 3/578 ;
U.S. Cl.
CPC ...
B01D 1/102 ; A61K 3/578 ;
Abstract
Methods for isolating taxol and derivatives thereof with high purity are described. The methods include a supercritical fluid and a cosolvent extraction step, a liquid—liquid separation step, and a column chromatography step. An apparatus for isolating Taxol and derivatives thereof that allows the method steps to be performed online also is described.