US PATENT SUBCLASS 424 / 631
.~.~.~ With cellulose-sulfur compound or lignin

Current as of: June, 1999
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424 /   HD   DRUG, BIO-AFFECTING AND BODY TREATING COMPOSITIONS

600  DF  INORGANIC ACTIVE INGREDIENT CONTAINING {20}
617  DF  .~ Heavy metal or compound thereof {14}
630  DF  .~.~ Copper {7}
631.~.~.~ With cellulose-sulfur compound or lignin

DEFINITION

Classification: 424/631

With cellulose-sulfur compound or lignin:

(under subclass 630) Compositions which contain elemental copper or an inorganic copper compound thereof and an organic compound which is either lignin sulfonate or a reaction product of cellulose with sulfur or a sulfur compound.