US PATENT SUBCLASS 252 / 581
.~ Halogenated polycyclic compound-containing

Current as of: June, 1999
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570  DF  FLUENT DIELECTRIC {7}
581.~ Halogenated polycyclic compound-containing

DEFINITION

Classification: 252/581

Halogenated polycyclic compound-containing:

(under subclass 570) Subject matter which contains an organic material comprised of more than one carbocyclic ring, the organic material also containing fluorine, chlorine, bromine or iodine.