US PATENT SUBCLASS 501 / 84
.~.~ By gas blowing, foaming agent, or in situ reactive gas generation

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

1  DF  CERAMIC COMPOSITIONS {15}
80  DF  .~ Pore-forming {3}
84.~.~ By gas blowing, foaming agent, or in situ reactive gas generation

DEFINITION

Classification: 501/84

By gas blowing, foaming agent, or in situ reactive gas generation:

(under subclass 80) Processes which include blowing a gaseous material through a molten ceramic composition, or which employ a foaming agent, or which employ materials which interact to yield a gas, which gas lends porosity to the composition and compositions to be used in such processes.