Electricity: circuit makers and breakers – Capacitive switch
Patent
1974-03-27
1976-09-21
Horwitz, D.
Electricity: circuit makers and breakers
Capacitive switch
260 4575R, 260 457RT, C07C 2514
Patent
active
039819361
ABSTRACT:
A process for preparing a bis-(bromomethyl)-tetrachlorobenzene which comprises contacting a bis-(chloromethyl)-tetrachlorobenzene with a bromide of an element of the first to the third group of the Periodic Table, preferably in a solvent of the bis-(chloromethyl)-tetrachlorobenzene which solvent is a non-solvent for the bis-(bromomethyl)-tetrachlorobenzene being prepared; a stabilized polymeric composition comprising a polymer and a bis-(bromomethyl)-tetrachlorobenzene, preferably containing additionally a compound of antimony or boron.
REFERENCES:
patent: 2097155 (1937-10-01), Groll et al.
patent: 2675413 (1954-04-01), Ballard et al.
patent: 3130222 (1964-04-01), Asadorian et al.
patent: 3419626 (1968-12-01), Pyne et al.
patent: 3420900 (1969-01-01), Mark
Petersen Egon
Schmidt Werner
Steffen Klaus-Dieter
Dynamit Nobel Aktiengesellschaft
Horwitz D.
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