US PATENT SUBCLASS 210 / 909
.~.~ Aromatic compound (e.g., PCB, phenol, etc.)

Current as of: June, 1999
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210 /   HD   LIQUID PURIFICATION OR SEPARATION

902  DF  MATERIALS REMOVED {7}
908  DF  .~ Organic {2}
909.~.~ Aromatic compound (e.g., PCB, phenol, etc.)

DEFINITION

Classification: 210/909

Aromatic compound (e.g., PCB, phenol, etc.):

Collection of disclosures under collection 908 in which the material contains a benzene radical.