US PATENT SUBCLASS 106 / 672
.~.~ Hollow, foam, cellular or porous material containing or method of forming cellular or porous product


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.~.~ Hollow, foam, cellular or porous material containing or method of forming cellular or porous product {9}
673  DF  .~.~.~> Peroxide or hypochlorite containing
674  DF  .~.~.~> Carbohydrate containing
675  DF  .~.~.~> Perlite or vermiculite containing (e.g., jeffersite, etc.)
676  DF  .~.~.~> Glass containing
677  DF  .~.~.~> Organic material containing {1}
679  DF  .~.~.~> Slag, cinder or ash containing
680  DF  .~.~.~> Calcium sulfate containing (e.g., anhydrite, plaster of Paris, gypsum, etc.)
681  DF  .~.~.~> Soil, diatomaceous earth, clay, shale, slate or rock material containing or material for treating soil or earth (e.g., soil stabilization, etc.)
682  DF  .~.~.~> Physical introduction of gas (e.g., by mixing, agitation, injection, whipping, etc.)


DEFINITION

Classification: 106/672

Hollow, foam, cellular or porous material containing or method of forming cellular or porous product:

(under subclass 638) Subject matter involving hollow, foam, cellular or porous material or a process of forming cellular or porous material.

(1) Note. To be proper for this subclass, an intent to achieve porisity, etc., must be evident, i.e., mere inclusion of, for example, wood as a filler, which is known to be porous to a degree, is not sufficient to place the patent herein.