US PATENT SUBCLASS 423 / 607
.~.~.~ Chromium


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}
606  DF  .~.~ Group VIB metal (Cr, Mo, or W) {1}
607.~.~.~ Chromium


DEFINITION

Classification: 423/607

(under subclass 606) Products or processes wherein the metal is chromium.

SEE OR SEARCH THIS CLASS, SUBCLASS:

595, for compound which contain oxygen chromium and another metal or ammonium.