US PATENT SUBCLASS 501 / 137
.~.~.~.~ Barium titanate


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

1  DF  CERAMIC COMPOSITIONS {15}
134  DF  .~ Titanate, zirconate, stannate, niobate, or tantalate or oxide of titanium, zirconium, tin, niobium, or tantalum containing (e.g., dielectrics, etc.) {1}
135  DF  .~.~ Alkaline earth or magnesium containing {1}
136  DF  .~.~.~ Titanate containing {1}
137.~.~.~.~ Barium titanate {2}
138  DF  .~.~.~.~.~> And divalent metal oxide other than alkaline earth oxide or magnesium oxide
139  DF  .~.~.~.~.~> And trivalent metal oxide


DEFINITION

Classification: 501/137

Barium titanate:

(under subclass 136) Compositions in which the titanate compound is a barium titanate.