US PATENT SUBCLASS 208 / 84
.~.~ With added material (to scrubbing-stripping stage)


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

46  DF  CHEMICAL CONVERSION OF HYDROCARBONS {11}
81  DF  .~ With contacting vapor porducts with liquid feed (i.e., product scrubbing and feed stripping) {3}
84.~.~ With added material (to scrubbing-stripping stage)


DEFINITION

Classification: 208/84

(under subclass 81) Processes wherein a material, other than the vapor product or mineral oil feed, is added to the

vapor-oil contact zone.