Stable extracts from neem seeds

Details Stable extracts from neem seeds Stable extracts from neem seeds

1992-07-27

1995-02-21

Dees, Jose G.

Drug, bio-affecting and body treating compositions

Designated organic active ingredient containing

Having -c-, wherein x is chalcogen, bonded directly to...

554183, 554 14, 4241951, 504101, C07C 100

Patent

active

053917790

ABSTRACT:
A neem seed extract containing azadirachtin with improved stability has been developed using a process involving dissolution of the crude neem seed extract in a polar solvent and removal of impurities by precipitation and/or treatment of the extract with an oxidizing agent. The resulting extract, optionally formulated as a wettable powder, is a useful insecticide for the control of foliar pests.

REFERENCES:
patent: 4325883 (1982-04-01), Jones et al.
patent: 4325885 (1982-04-01), Jones et al.
patent: 4556562 (1985-12-01), Larson
patent: 4943434 (1990-07-01), Lidert
patent: 4946681 (1990-08-01), Walter

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