Patent ID: 6881852

Claim:
A process for the purification of paclitaxel comprising: a) mixing crude paclitaxel with a mixture of solvents selected from the group consisting of alkane and chlorinated alkane, filtering the solid followed by drying to obtain paclitaxel of increased purity; b) repeating step (a) one or more times to obtain paclitaxel of increased purity; c) dissolving the solid obtained from step (b) in alkyl ketone followed by adding alkane thereto, filtering and drying the solid thus formed to obtain paclitaxel of increased purity; d) repeating step (c) one or more times to increase the purity of paclitaxel; e) dissolving the paclitaxel obtained from step (d) in alkanol and then adding water, filtering and drying the solid thus formed, to obtain paclitaxel of increased purity; f) dissolving the solid obtained from step (e) in alkyl ketone, filtering, followed by adding alkane to the filtrate, filtering and drying the solid thus formed to obtain pure paclitaxel.