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:
Apr. 07, 1998
Filed:
Jun. 07, 1995
Applicant:
Inventor:
Rodolphe Margraff, Viry Chatillon, FR;
Assignee:
Rhone-Poulenc Rorer S.A., Antony, FR;
Primary Examiner:
Int. Cl.
CPC ...
C12P / ; C07D / ;
U.S. Cl.
CPC ...
435123 ; 210600 ; 549510 ;
Abstract
Process for obtaining 10-deacetylbaccatin III from various parts of the yew (Taxus sp.) by extracting, with a suitable organic solvent, the aqueous solution obtained after treatment with water of the appropriate part of the yew or by adsorption of the aqueous solution on an appropriate substrate and desorption of 10-deacetylbaccatin III with a suitable solvent and then selective crystallization of 10-deacetylbaccatin III.