US PATENT SUBCLASS 501 / 136
.~.~.~ Titanate containing

Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use


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.~.~.~ Titanate containing {1}
137  DF  .~.~.~.~> Barium titanate {2}

DEFINITION

Classification: 501/136

Titanate containing:

(under subclass 135) Compositions which include a titanate compound, i.e., a salt of titanic acid (H2TiO3).

(1) Note. Compositions which contain an oxide of titanium but no titanate are classified in other subclasses.