US PATENT SUBCLASS 510 / FOR 157
.~.~.~ Heterocyclic (252/524)

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 154  DF  .~ Water-soluble inorganic B, Si, or P compound containing (252/135) {5}
FOR 156  DF  .~.~ Nitrogen base containing (except protein) (252/523) {2}
FOR 157.~.~.~ Heterocyclic (252/524)

DEFINITION

Classification: 510/FOR.157

Foreign Art Collections including composition containing ammonia or hydrazine, or a derivative of either, in which at least one hydrogen is replaced by a singly or doubly bonded carbon or by an acyl group or a salt of ammonia, hydrazine or such derivative, except protein.