US PATENT SUBCLASS 208 / 295
.~ With Group IV, V, VI, VII or VIII metal compound

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

177  DF  REFINING {23}
295.~ With Group IV, V, VI, VII or VIII metal compound

DEFINITION

Classification: 208/295

(under subclass 177) Processes wherein mineral oil is treated with a compound of a metal of Groups IV, V, VI, VII or VIII.

SEE OR SEARCH THIS CLASS, SUBCLASS:

216, 217, 243, 244, and 249, for processes of desulfurizing mineral oils using Groups IV, V, VI, VII or VIII metal compounds.

292, for processes of refining employing arsenic, antimony or bismuth containing treating agent.

299+, for refining processes, particularly those involving manipulative techniques, of contacting mineral oils with solid catalysts or adsorbents.