US PATENT SUBCLASS 208 / 423
.~.~ Containing Group VIII metal

Current as of: June, 1999
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208 /   HD   MINERAL OILS: PROCESSES AND PRODUCTS

400  DF  BY TREATMENT OF SOLID MINERAL, E.G., COAL LIQUEFACTION, ETC. {13}
419  DF  .~ Using specifically added catalyst during hydrogenation {3}
423.~.~ Containing Group VIII metal

DEFINITION

Classification: 208/423

Containing Group VIII metal:

(under subclass 419) Subject matter in which the catalyst contains one or more of cobalt, iron or nickel, or a platinum group metal (Pt, Pd, Ir, Rh, Ru, or Os), in free or combined form.