US PATENT SUBCLASS 106 / 670
.~.~.~ Calcium sulfate containing

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

*  DD  COATING OR PLASTIC COMPOSITIONS {40}
638  DF  .~ Inorganic settable ingredient containing {30}
668  DF  .~.~ Bituminous material or tarry residue, pitch, or coal containing {3}
670.~.~.~ Calcium sulfate containing

DEFINITION

Classification: 106/670

Calcium sulfate containing:

(under subclass 668) Subject matter wherein the composition includes calcium sulfate.