US PATENT SUBCLASS 252 / 398
.~.~ Plant or animal matters of unknown compositions

Current as of: June, 1999
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252 /   HD   COMPOSITIONS

380  DF  PRESERVATIVE AGENTS {3}
397  DF  .~ Anti-oxidants or chemical change inhibitants {2}
398.~.~ Plant or animal matters of unknown compositions

DEFINITION

Classification: 252/398

(under subclass 397) Compositions which contain plant or animal matter, or extracts thereof, of unknown constitutions.