US PATENT SUBCLASS 502 / 162
.~.~ Organic phosphorus or nitrogen, except the ammonium ion

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}
150  DF  .~ Organic compound containing {13}
162.~.~ Organic phosphorus or nitrogen, except the ammonium ion {5}
163  DF  .~.~.~> Phthalocyanine
164  DF  .~.~.~> Quaternary ammonium or phosphonium
165  DF  .~.~.~> Copper containing
166  DF  .~.~.~> Rhodium containing
167  DF  .~.~.~> Organic nitrogen containing

DEFINITION

Classification: 502/162

Organic phosphorus or nitrogen, except the ammonium ion:

(under subclass 150) Composition in which an organic compound contains elements number 7 or 15 with the proviso that no more than three of the valences of element 7 are occupied by hydrogen.

(1) Note. Quaternary ammonium compounds are provided herein, see subclass 164, but the ammonium ion (NH4[end subscrpt])+ is excluded.