US PATENT SUBCLASS 588 / 9
.~.~ Clay or claylike

Current as of: June, 1999
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588 /   HD   HAZARDOUS OR TOXIC WASTE DESTRUCTION OR CONTAINMENT

1  DF  DESTRUCTION OR CONTAINMENT OF RADIOACTIVE WASTE {5}
2  DF  .~ By fixation in stable solid media {8}
9.~.~ Clay or claylike

DEFINITION

Classification: 588/9

Clay or clay-like:

(under subclass 2) Subject matter wherein the solid media is a fine grained naturally occurring earthy material or artificial composition having generally, equivalent chemical and physical properties.