US PATENT SUBCLASS 252 / 383
.~.~ Organic and inorganic matter containing

Current as of: June, 1999
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252 /   HD   COMPOSITIONS

380  DF  PRESERVATIVE AGENTS {3}
381  DF  .~ Anti-caking, separative or protective coatings or zones {4}
383.~.~ Organic and inorganic matter containing

DEFINITION

Classification: 252/383

(under subclass 381) Compositions each of which contains both an organic compound and an inorganic compound or element.