US PATENT SUBCLASS 106 / 450
.~.~.~ Zirconium compound containing (Zr)

Current as of: June, 1999
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106 /   HD   COMPOSITIONS: COATING OR PLASTIC

*  DD  MATERIALS OR INGREDIENTS {7}
400  DF  .~ Pigment, filler, or aggregate compositions, e.g., stone, shale, pebbles, rock, etc. {1}
401  DF  .~.~ Composition contains identified material other than water {25}
450.~.~.~ Zirconium compound containing (Zr) {1}
451  DF  .~.~.~.~> Vanadium or praseodymium containing (V, Pr)

DEFINITION

Classification: 106/450

Zirconium compound containing (Zr):

(under subclass 401) Subject matter wherein the composition contains a zirconium compound.

SEE OR SEARCH THIS CLASS, SUBCLASS:

312, for opacifiers for enamel which contain a zirconium compound.

SEE OR SEARCH CLASS

423, Chemistry of Inorganic Compounds, appropriate subclasses for zirconium compounds, per se.