US PATENT SUBCLASS 502 / 515
SPECIFIC CONTAMINANT REMOVAL
Current as of:
June, 1999
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502 /
HD
CATALYST, SOLID SORBENT, OR SUPPORT THEREFOR: PRODUCT OR PROCESS OF MAKING
515
SPECIFIC CONTAMINANT REMOVAL
{3}
516
DF
.~
> Metal contaminant removal
517
DF
.~
> Sulfur or sulfur compound removal
518
DF
.~
> Carbonaceous contaminant
DEFINITION
Classification: 502/515
SPECIFIC CONTAMINANT REMOVAL:
(under the class definition) Collection of art directed to regenerating or rehabilitating a composition of this class and concerned primarily with freeing the composition of some specific material usually called a "poison".
