US PATENT SUBCLASS 423 / 412
.~.~.~ Aluminum containing

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

351  DF  NITROGEN OR COMPOUND THEREOF (EXCEPT AMMONIUM SALT OF NON-NITROGEN ACID) {5}
406  DF  .~ Binary compound {2}
409  DF  .~.~ Metal or ammonium containing {3}
412.~.~.~ Aluminum containing

DEFINITION

Classification: 423/412

(under subclass 409) Products or processes wherein the metal is aluminum.