US PATENT SUBCLASS 502 / 155
.~.~.~ Including phosphorus or sulfur or compound containing nitrogen or phosphorus or sulfur

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}
152  DF  .~.~ Organic compound including carbon-metal bond {5}
155.~.~.~ Including phosphorus or sulfur or compound containing nitrogen or phosphorus or sulfur

DEFINITION

Classification: 502/155

Including phosphorus or sulfur or compound containing nitrogen or phosphorus or sulfur:

(under subclass 152) Composition including element 15 or 16, free or chemically bound or a compound containing element number 7.