Organic compounds -- part of the class 532-570 series – Organic compounds – Heterocyclic carbon compounds containing a hetero ring...
Reexamination Certificate
2007-07-10
2007-07-10
Seaman, Margaret D. (Department: 1625)
Organic compounds -- part of the class 532-570 series
Organic compounds
Heterocyclic carbon compounds containing a hetero ring...
Reexamination Certificate
active
10944254
ABSTRACT:
This invention discloses and claims an acetone solvate of dimethoxydocetaxel or 4-acetoxy-2α-benzoyloxy-5β,20-epoxy-1-hydroxy-7β,10β-dimethoxy-9-oxotax-11-en-13α-yl (2R,3S)-3-tert-butoxycarbonylamino-2-hydroxy-3-phenylpropionate and its preparation by crystallization from an aqueous/acetone solution.
REFERENCES:
patent: 0982027 (2000-03-01), None
patent: WO 96/30355 (1996-10-01), None
patent: WO 97/32869 (1997-09-01), None
Didier Eric
Perrin Marc-Antoine
Aventis Pharma S.A.
Darkes Paul R.
Gupta Balaram
Rahmani Niloofar
Seaman Margaret D.
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