Organic compounds -- part of the class 532-570 series – Organic compounds – Heterocyclic carbon compounds containing a hetero ring...
Reexamination Certificate
2005-09-06
2005-09-06
Trinh, Ba K. (Department: 1625)
Organic compounds -- part of the class 532-570 series
Organic compounds
Heterocyclic carbon compounds containing a hetero ring...
C549S511000, C435S123000
Reexamination Certificate
active
06939978
ABSTRACT:
A high yield, economical process for purifying taxanes from yew biomass is disclosed. The process does not require initial liquid:liquid portioning of the crude extract to separate highly polar substances. The organic solvent extract of the biomass is adsorbed onto and selectively desorbed from an adsorption resin to provide a taxane enriched eluate. Substantially pure individual taxanes may be further isolated from the eluate by hydrophobic-interaction chromatography.
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Chang Ching-jer
Tong Xiao-jie
Greenlee Winner and Sullivan P.C.
Purdue Research Foundation
Trinh Ba K.
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