US PATENT SUBCLASS 510 / FOR 191
.~.~.~ Sulfur or phosphorus containing (252/545)

Current as of: June, 1999
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510 /   HD   CLEANING COMPOSITIONS FOR SOLID SURFACES, AUXILIARY COMPOSITIONS THEREFOR, OR PROCESSES OF PREPARING THE COMPOSITIONS

FOR 108  DF  DETERGENTS (FOR USE ON SOLID MATERIALS) (252/89.1) {26}
FOR 187  DF  .~ Nitrogen base containing (except protein) (252/541) {4}
FOR 190  DF  .~.~ Amine or amide (252/544) {4}
FOR 191.~.~.~ Sulfur or phosphorus containing (252/545)

DEFINITION

Classification: 510/FOR.191

Foreign Art Collections including composition in which the heterocyclic amine functions as an optical brightener or a fluorescent whitener.