Method of protecting keratinous material from attack by insects

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

1979-06-25

1980-08-26

Beck, Shrive P.

Stock material or miscellaneous articles

Three dimension imitation or 'treated' natural product

106 1505, 106 1835, 427384, 427421, 427428, 428270, 428473, 428907, B22B 902

Patent

active

042195934

ABSTRACT:
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 ##STR1## wherein each of R.sub.1 and R.sub.2 independently represents hydrogen, fluorine, chlorine, bromine, alkyl of 1 to 4 carbon atoms or alkoxy of 1 to 4 carbon atoms, or R.sub.1 and R.sub.2 in the ortho-position to each other together represent the methylenedioxy radical, and R.sub.3 represents hydrogen, cyano, --C.tbd.CH of --CH.dbd.CH.sub.2.

REFERENCES:
patent: 1955891 (1934-04-01), Salzberg et al.
patent: 2134001 (1938-10-01), Mills et al.
patent: 2362768 (1944-11-01), Morgan et al.
patent: 3968298 (1972-08-01), Reinert et al.

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