US PATENT SUBCLASS 106 / 742
.~.~.~.~.~ Cooling in reducing atmosphere


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}
713  DF  .~.~ Portland type cement {13}
739  DF  .~.~.~ Portland type cement per se (e.g., clinker preparation, etc.) {26}
741  DF  .~.~.~.~ Color control or modification (e.g., steps to produce white cement, etc.) {1}
742.~.~.~.~.~ Cooling in reducing atmosphere


DEFINITION

Classification: 106/742

Cooling in reducing atmosphere:

(under subclass 741) Subject matter involving cooling in a reducing atmosphere.