US PATENT SUBCLASS 106 / 464
.~.~.~.~.~ Calcium containing, e.g., calcite, dolomite, chalk, whiting, 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}
461  DF  .~.~.~ Alkaline earth metal compound containing, other than glass, e.g., ettringite, gypsum, barium sulfate, anhydrite, etc. {4}
463  DF  .~.~.~.~ Carbonate containing {1}
464.~.~.~.~.~ Calcium containing, e.g., calcite, dolomite, chalk, whiting, etc. {1}
465  DF  .~.~.~.~.~.~> Organic material or silicon containing

DEFINITION

Classification: 106/464

Calcium containing, e.g., calcite, dolomite, chalk, whiting, etc.:

(under subclass 463) Subject matter wherein the composition contains a calcium compound, such as calcite, dolomite, chalk, whiting, etc.

(1) Note. Calcium carbonate is not required to place a patent in this subclass. Any combination of a calcium compound and a carbonate is sufficient.