US PATENT SUBCLASS 23 / 306
.~ Concentration of liquids in liquids

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

Internet Version by PATENTEC © 1999      Terms of Use


23 /   HD   CHEMISTRY: PHYSICAL PROCESSES

293 R  DF  PHYSICAL PROCESSES {7}
306.~ Concentration of liquids in liquids {1}
307  DF  .~.~> With direct heating

DEFINITION

Classification: 23/306

(under subclass 293) Processes involving concentration of solutions of liquids in liquids not otherwise provided for.

SEE OR SEARCH THIS CLASS, SUBCLASS:

274+, for apparatus for concentrating liquids in liquids.

SEE OR SEARCH CLASS

159, Concentrating Evaporators, for processes for concentrating solutions or suspensions of solids in liquids not more specifically provided for in other classes.

202, Distillation: Apparatus,

152+, and 232+ for separatory distillation apparatus. 203, Distillation: Processes, Separatory,

12+, for processes of distilling a liquid to separate only water.