US PATENT SUBCLASS 264 / 414
.~.~ Inorganic material containing

Current as of: June, 1999
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264 /   HD   PLASTIC AND NONMETALLIC ARTICLE SHAPING OR TREATING: PROCESSES

405  DF  DIRECT APPLICATION OF ELECTRICAL OR WAVE ENERGY TO WORK (E.G., ELECTROMAGNETIC WAVE, PARTICULATE, MAGNETIC, INDUCTION HEAT, SONIC, ELECTROSTATIC ENERGY, ETC.) {26}
413  DF  .~ Producing or treating porous product {5}
414.~.~ Inorganic material containing

DEFINITION

Classification: 264/414

Inorganic material containing:

(under subclass 413) Processes wherein the pore forming material or porous article contains inorganic material.

(1) Note. Inorganic porous material having minimal or trace amounts of organic material (e.g., resinous binders, etc.) are properly classified here.

(2) Note. Attention is directed to the definition of Class 260 for the distinction between the term "organic" and "inorganic."