Extraction method

Details Extraction method Extraction method

2007-02-20

2007-02-20

McKane, Joseph K. (Department: 1626)

Organic compounds -- part of the class 532-570 series

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

C549S350000

Reexamination Certificate

active

10399390

ABSTRACT:
There is disclosed a method for treating a source of azadirachtin: (a) dissolving said sample in an organic polar solvent; (b) combining the solution of step (a) with an organic non-polar solvent to form a single phase containing the said solvents and dissolved sample; (c) treating said single phase of step (b) with an aqueous salt solution to form an aqueous phase and a phase containing the organic non-polar solvent; and (d) recovering one or other or both of the aqueous phase and the phase containing the organic polar solvent.

REFERENCES:
patent: 5395951 (1995-03-01), Nagasampagi et al.
patent: 5827521 (1998-10-01), Moorty et al.
patent: 5856526 (1999-01-01), Sankaram et al.
patent: 6312738 (2001-11-01), O'Shea et al.
patent: 0 581 467 (1996-09-01), None
patent: 0 834 254 (1998-04-01), None
patent: 0 617 119 (2000-08-01), None
patent: WO9639845 (1996-12-01), None
patent: WO9902533 (1999-01-01), None
patent: WO02/32907 (2002-04-01), None
GB 0025313.8 Search Report (Sep. 17, 2001).
GB 9924256.2 Search Report (Feb. 9, 2000).
PCT/GB01/04590 International Search Report (Feb. 6, 2002).

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