Method of protecting keratinous material from attack by...

Details Method of protecting keratinous material from attack by... Method of protecting keratinous material from attack by...

A - Human Necessities

01

N

117/223, 8/53

A01N 37/38 (2006.01) A01N 37/10 (2006.01) A01N 43/30 (2006.01)

Patent

CA 1136357

Abstract of the Disclosure A method of protecting keratinous material from attack by insects that feed on keratin and from feeding damage, which comprises treating the material to be protected with compounds of the formula Image wherein each of R1 and R2 independently represents hydrogen, fluorine, chlorine, bromine, alkyl of 1 to 4 carbon atoms or alkoxy of 1 to 4 carbon atoms, or R1 and R2 in the ortho- position to each other together represent the methylenedioxy radical, and R3 represents hydrogen, cyano, -C?CH or -CH-CH2.

331121

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