(under subclass 3) Processes which include a mineral oil cracking step in addition to the oxidation treatment.
(1) Note. This subclass contains, for example, processes of cracking mineral oils wherein air or oxidizing gas is introduced into the cracking zone during cracking to exercise some oxidizing of the mineral oil.
SEE OR SEARCH THIS CLASS, SUBCLASS:
106+, for mineral oil cracking processes, per se, particularly subclasses 128+ for cracking mineral oil in the presence of nonreactive gases or vapors. See the definition to subclass 106 for the definition and scope of the term "cracking".
SEE OR SEARCH CLASS
554, Organic Compounds, 132, and indented subclasses for the oxidation of petroleum or other nonaromatic hydrocarbon mixtures to obtain definite organic compounds of mixtures thereof. See (2) Note to the definition of subclass 451 for the line.
