US PATENT SUBCLASS 252 / 180
.~ Plant or organic material containing

Current as of: June, 1999
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252 /   HD   COMPOSITIONS

175  DF  WATER-SOFTENING OR PURIFYING OR SCALE-INHIBITING AGENTS {4}
180.~ Plant or organic material containing {1}
181  DF  .~.~> With inorganic matter other than alkali-metal hydroxides and carbonates and water

DEFINITION

Classification: 252/180

(under subclass 175) Compositions which contain plants, plant parts or extracts, or organic compounds.