US PATENT SUBCLASS 502 / 200
.~ Nitrogen compound containing

Current as of: June, 1999
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502 /   HD   CATALYST, SOLID SORBENT, OR SUPPORT THEREFOR: PRODUCT OR PROCESS OF MAKING

100  DF  CATALYST OR PRECURSOR THEREFOR {12}
200.~ Nitrogen compound containing {1}
201  DF  .~.~> Nitrate

DEFINITION

Classification: 502/200

Nitrogen compound containing:

(under subclass 100) Composition containing chemically combined element number 7.