US PATENT SUBCLASS 208 / 262.5
.~.~ Polychorinated biphenyl (PCB)


Current as of: June, 1999
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208 /   HD   MINERAL OILS: PROCESSES AND PRODUCTS

177  DF  REFINING {23}
262.1  DF  .~ Halogen contaminant removal {1}
262.5.~.~ Polychorinated biphenyl (PCB)


DEFINITION

Classification: 208/262.5

Polychlorinated biphenyl (PCB):

(under subclass 262.1) Process wherein the contaminant removed is a polychorinated biphenyl.