US PATENT SUBCLASS 252 / 507
.~.~.~ Titanium or zirconium compound

Current as of: June, 1999
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252 /   HD   COMPOSITIONS

500  DF  ELECTRICALLY CONDUCTIVE OR EMISSIVE COMPOSITIONS {6}
502  DF  .~ Elemental carbon containing {5}
506  DF  .~.~ With metal compound {3}
507.~.~.~ Titanium or zirconium compound

DEFINITION

Classification: 252/507

(under subclass 506) Compositions which contain a titanium or zirconium compound in addition to the elemental carbon.

SEE OR SEARCH THIS CLASS, SUBCLASS:

519.12, and 520.2+, for other conductive or emissive compositions which contain titanium or zirconium compounds.