US PATENT SUBCLASS 501 / 145
.~.~ Clay pretreatment

Current as of: June, 1999
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501 /   HD   COMPOSITIONS: CERAMIC

1  DF  CERAMIC COMPOSITIONS {15}
141  DF  .~ Clay containing (e.g., porcelain, earthenware, etc.) {3}
145.~.~ Clay pretreatment {3}
146  DF  .~.~.~> Chemical pretreatment {2}
149  DF  .~.~.~> Water pretreatment
150  DF  .~.~.~> Heat pretreatment

DEFINITION

Classification: 501/145

Clay pretreatment:

(under subclass 141) Processes for treating clay directed to the enhancement of its properties when subsequently used as a component of a ceramic composition.

SEE OR SEARCH CLASS

106, Compositions: Coating or Plastic,

468, and 486+ for treatment of clay to enhance its use as an ingredient of a coating or plastic composition, e.g., as a paper filler.

502, Catalyst, Solid Sorbent, or Support Therefor: Product or Process of Making,

60+, for treatment of zeolite or clay, including Gallium analogs, including to prepare, e.g., activated clay and clay catalysts.