US PATENT SUBCLASS 252 / 72
.~ With leak-stopping agents

Current as of: June, 1999
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252 /   HD   COMPOSITIONS

71  DF  HEAT-EXCHANGE, LOW-FREEZING OR POUR POINT, OR HIGH BOILING COMPOSITIONS {2}
72.~ With leak-stopping agents

DEFINITION

Classification: 252/72

(under subclass 71) Compositions which contain agents for stopping or reducing leaks in containers.

SEE OR SEARCH CLASS

106, Compositions: Coating or Plastic,

33, for leak stopping compositions, per se.