Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Pyrethrum plant derived material or plant derived rotenone...
Patent
1987-09-21
1989-01-17
Schenkman, Leonard
Drug, bio-affecting and body treating compositions
Designated organic active ingredient containing
Pyrethrum plant derived material or plant derived rotenone...
A01N 6500
Patent
active
047988258
ABSTRACT:
A composition and method for obtaining an improved stable composition of naturally occurring pyrethroid substances which naturally contain polyacetylenic substances includes inactivating the polyacetylenic substances by selective hydrogenation or removal of the polyacetylenic substances by extraction.
REFERENCES:
patent: 2375773 (1945-05-01), De Jonge
Amoco Corporation
Janiuk Anthony J.
Lipovsky Joseph A.
Magidson William H.
Medhurst Ralph C.
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