US PATENT SUBCLASS 423 / 208
.~.~ Water leaching or forming water soluble substance

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

Internet Version by PATENTEC © 1999      Terms of Use


423 /   HD   CHEMISTRY OF INORGANIC COMPOUNDS

1  DF  TREATING MIXTURE TO OBTAIN METAL CONTAINING COMPOUND {15}
179  DF  .~ Alkali metal (Li, Na, K, Rb, or Cs) {12}
208.~.~ Water leaching or forming water soluble substance

DEFINITION

Classification: 423/208

(under subclass 179) Processes including the step of dissolving out a portion of a solid with water as a solvent, or forming a substance which is soluble in water; see Glossary for leaching.

SEE OR SEARCH THIS CLASS, SUBCLASS:

179, for processes which include the step of leaching with water containing other materials, e.g., brine etc.

202, for processes which include the step of leaching with an acidic substance.

205, for processes which include leaching or forming a water soluble substance and additionally employ pressure, vacuum, or steam.