US PATENT SUBCLASS 501 / 147
.~.~.~.~ Using alkaline compound treating agent

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  DF  .~.~ Clay pretreatment {3}
146  DF  .~.~.~ Chemical pretreatment {2}
147.~.~.~.~ Using alkaline compound treating agent

DEFINITION

Classification: 501/147

Using alkaline compound treating agent:

(under subclass 146) Compositions wherein the treating agent comprises a compound of an alkali forming metal or an amine or ammonium compound.

(1) Note. The alkali forming metal may be an alkali metal, an alkaline earth metal or magnesium.