US PATENT SUBCLASS 106 / 284
.~.~.~ Coal tar or pitch containing

Current as of: June, 1999
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106 /   HD   COMPOSITIONS: COATING OR PLASTIC

*  DD  COATING OR PLASTIC COMPOSITIONS {40}
273.1  DF  .~ Bituminous material or tarry residue {10}
281.1  DF  .~.~ With filler, dye or pigment {8}
284.~.~.~ Coal tar or pitch containing

DEFINITION

Classification: 106/284

(under subclass 281) Compositions in the preparation of which coal tar pitch is employed.