US PATENT SUBCLASS 501 / 46
.~.~.~.~ And titanium, zirconium, vanadium, tungsten, or molybdenum

Current as of: June, 1999
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501 /   HD   COMPOSITIONS: CERAMIC

1  DF  CERAMIC COMPOSITIONS {15}
11  DF  .~ Glass compositions, compositions containing glass other than those wherein glass is a bonding agent, or glass batch forming compositions {11}
41  DF  .~.~ Nonsilicate oxide glasses {4}
45  DF  .~.~.~ Phosphorus containing {3}
46.~.~.~.~ And titanium, zirconium, vanadium, tungsten, or molybdenum

DEFINITION

Classification: 501/46

And titanium, zirconium, vanadium, tungsten, or molybdenum:

(under subclass 45) Compositions additionally containing titanium, zirconium, vanadium, tungsten, or molybdenum, or a compound of any of these elements.