US PATENT SUBCLASS 423 / 635
.~.~ Alkaline earth metal (Mg, Ca, Sr, or Ba)

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

579  DF  OXYGEN OR COMPOUND THEREOF {4}
592  DF  .~ Metal containing {12}
635.~.~ Alkaline earth metal (Mg, Ca, Sr, or Ba) {1}
636  DF  .~.~.~> Process of manufacturing {4}

DEFINITION

Classification: 423/635

(under subclass 592) Products or processes wherein the metal is magnesium, calcium, strontium, or barium.

SEE OR SEARCH THIS CLASS, SUBCLASS:

164, for processes of treating mixtures to obtain a hydrate or hydroxide of an alkaline earth metal, including the steps of (1) forming an insoluble substance in a liquid and (2) chemically forming a hydrate or a hydroxide.