US PATENT SUBCLASS 239 / 6
.~ Involving slow diffusion

Current as of: June, 1999
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239 /   HD   FLUID SPRINKLING, SPRAYING, AND DIFFUSING

1  DF  PROCESSES {10}
6.~ Involving slow diffusion

DEFINITION

Classification: 239/6

(under subclass 1) Processes involving the step or steps of slowly disseminating a substance into the atmosphere, usually from a porous or absorbent mass by volatilization influenced only by the ambient air.

SEE OR SEARCH THIS CLASS, SUBCLASS:

34+, for slow diffusers.