US PATENT SUBCLASS 106 / 682
.~.~.~ Physical introduction of gas (e.g., by mixing, agitation, injection, whipping, etc.)

Current as of: June, 1999
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106 /   HD   COMPOSITIONS: COATING OR PLASTIC

*  DD  COATING OR PLASTIC COMPOSITIONS {40}
638  DF  .~ Inorganic settable ingredient containing {30}
672  DF  .~.~ Hollow, foam, cellular or porous material containing or method of forming cellular or porous product {9}
682.~.~.~ Physical introduction of gas (e.g., by mixing, agitation, injection, whipping, etc.)

DEFINITION

Classification: 106/682

Physical introduction of gas (e.g., by mixing, agitation, injection, whipping, etc.):

(under subclass 672) Subject matter involving physical introduction of gas, e.g., by mixing, agitation, injection, whipping, etc.