US PATENT SUBCLASS 106 / 769
.~.~.~.~ Iron or manganese containing raw material (Fe, Mn)

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}
769.~.~.~.~ Iron or manganese containing raw material (Fe, Mn)

DEFINITION

Classification: 106/769

Iron or manganese containing raw material (Fe, Mn):

(under subclass 739) Subject matter wherein the raw material includes iron or manganese.