US PATENT SUBCLASS 208 / 214
.~.~.~.~ With hydrogen yielding material (H donor)

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

177  DF  REFINING {23}
208 R  DF  .~ Sulfur removal (free or combined sulfur) {17}
209  DF  .~.~ With hydrogen {4}
213  DF  .~.~.~ With solid catalyst or absorbent {4}
214.~.~.~.~ With hydrogen yielding material (H donor)

DEFINITION

Classification: 208/214

(under subclass 213) Processes wherein an added hydrogen rich material is employed under conditions that hydrogen is generated or liberated during the process (hydrogen donor processes).

SEE OR SEARCH THIS CLASS, SUBCLASS:

56, and 145, for mineral oil conversion processes wherein hydrogen donor agents are used as sources of hydrogen.