US PATENT SUBCLASS 208 / 420
.~.~ Dissolved or suspended-thermally-decomposable catalyst, component or precursor

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}
420.~.~ Dissolved or suspended-thermally-decomposable catalyst, component or precursor

DEFINITION

Classification: 208/420

Dissolved or suspended-thermally-decomposable catalyst, component or precursor:

(under subclass 419) Subject matter in which the catalyst, a component thereof, or a precursor thereof is dissolved in the reaction mixture or in which the reaction mixture contains in suspension a catalyst component or catalyst precursor which will decompose under the elevated temperature conditions of the reaction.