US PATENT SUBCLASS 501 / 151
.~ Fluorine containing

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

1  DF  CERAMIC COMPOSITIONS {15}
151.~ Fluorine containing

DEFINITION

Classification: 501/151

Fluorine containing:

(under subclass 1) Subject matter which includes fluorine or a fluorine compound.

(1) Note. Included herein are, e.g., polycrystalline fluoride materials, such as fluoaluminate dielectric materials and micaceous ceramics not otherwise classifiable.