US PATENT SUBCLASS 106 / 457
.~.~.~.~ Silicon containing, e.g., slag, turkey umber, Fullers earth, etc.

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

*  DD  MATERIALS OR INGREDIENTS {7}
400  DF  .~ Pigment, filler, or aggregate compositions, e.g., stone, shale, pebbles, rock, etc. {1}
401  DF  .~.~ Composition contains identified material other than water {25}
456  DF  .~.~.~ Iron compound containing (Fe) {4}
457.~.~.~.~ Silicon containing, e.g., slag, turkey umber, Fullers earth, etc.

DEFINITION

Classification: 106/457

Silicon containing, e.g., slag, turkey umber, fullers earth, etc.:

(under subclass 456) Subject matter wherein the composition also contains silicon, e.g., slag, turkey umber, Fullers earth, etc.