US PATENT SUBCLASS 208 / 83
.~.~ With subsequent fractionation

Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use


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}
83.~.~ With subsequent fractionation

DEFINITION

Classification: 208/83

(under subclass 81) Processes wherein the products are separated into fraction having different properties subsequent to contacting the mineral oil feed.

(1) Note. This separation is generally by distillation.