US PATENT SUBCLASS 585 / 527
.~.~.~ N- or P-containing catalyst

Current as of: June, 1999
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585 /   HD   CHEMISTRY OF HYDROCARBON COMPOUNDS

500  DF  UNSATURATED COMPOUND SYNTHESIS {14}
502  DF  .~ By addition of entire unsaturated molecules, e.g., polymerization, etc. {8}
520  DF  .~.~ Using extraneous nonhydrocarbon agent, e.g., catalyst, etc. {5}
527.~.~.~ N- or P-containing catalyst {2}
528  DF  .~.~.~.~> Metal phosphate
529  DF  .~.~.~.~> P compound on solid carrier, e.g., "solid phosphoric acid", etc.

DEFINITION

Classification: 585/527

N- or P-containing catalyst:

(under subclass 520) Subject matter catalyzed by a material

containing nitrogen or phosphorus in free or combined form.