Preparation of high purity neem seed extracts

Details Preparation of high purity neem seed extracts Preparation of high purity neem seed extracts

1992-07-27

1995-05-30

Dees, Jose G.

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

Organic compounds

Fatty compounds having an acid moiety which contains the...

4241951, 554 14, 554 17, 554175, 554182, 554191, 504157, 504291, 504293, 504297, C11B 310

Patent

active

054203180

ABSTRACT:
A new process has been developed for preparing high purity neem seed extract by adsorbing aqueous solutions of neem seed extract containing azadirachtin onto a macroporous polymeric adsorbent followed by desorption using a solvent. The resulting extract, optionally formulated, is a useful insecticide for the control of foliar pests.

REFERENCES:
patent: 4325883 (1982-04-01), Jones et al.
patent: 4515785 (1985-05-01), Shimizu et al.
patent: 4556562 (1985-12-01), Larson
patent: 4946681 (1990-08-01), Walter

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