US PATENT SUBCLASS 208 / 232
.~.~.~.~.~ Alcohol containing


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

177  DF  REFINING {23}
208 R  DF  .~ Sulfur removal (free or combined sulfur) {17}
226  DF  .~.~ With alkali or alkali earth metal compound (except clays) {4}
230  DF  .~.~.~ Alkali metal compound {2}
231  DF  .~.~.~.~ With added oxygen containing organic compound {2}
232.~.~.~.~.~ Alcohol containing {1}
233  DF  .~.~.~.~.~.~> With other organic compound


DEFINITION

Classification: 208/232

(under subclass 231) Processes wherein an added alcohol is employed.

SEE OR SEARCH THIS CLASS, SUBCLASS:

205, for sweetening treatments wherein an alkali metal hydroxide or carbonate and an acyclic alcohol are used.