US PATENT SUBCLASS 208 / 296
.~ With Group IB or IIB metal compound


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

177  DF  REFINING {23}
296.~ With Group IB or IIB metal compound


DEFINITION

Classification: 208/296

(under subclass 177) Processes wherein mineral oil is treated with a compound of a metal of Groups IB, or IIB, i.e., Cu, Ag, Au, Zn, Cd or Hg.

SEE OR SEARCH THIS CLASS, SUBCLASS:

246, for processes of desulfurizing mineral oils with Group IB metal compounds.

247, for processes of desulfurizing mineral oils with Group IIB metal compounds.