US PATENT SUBCLASS 502 / 201
.~.~ Nitrate

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  DF  .~ Nitrogen compound containing {1}
201.~.~ Nitrate

DEFINITION

Classification: 502/201

Nitrate:

(under subclass 200) Composition in which the nitrogen is part of a radical comprising three oxygen atoms.