US PATENT SUBCLASS 106 / 412
.~.~.~.~ Special process of milling, grinding, comminuting, plural stage or zone mixing or product

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}
410  DF  .~.~.~ Phthalocyanine or derivative containing {3}
412.~.~.~.~ Special process of milling, grinding, comminuting, plural stage or zone mixing or product

DEFINITION

Classification: 106/412

Special process of milling, grinding, comminuting, plural stage or zone mixing or product:

(under subclass 410) Subject matter wherein there is recited a specific method of milling, grinding, or comminuting or multiple stages or zones are recited in a mixing process or product thereof.

(1) Note. Mere recitation of milling, grinding, comminuting, or mixing is not sufficient to place a patent in this subclass, but specific parameters of operation must be recited.