(under subclass 46) Processes wherein a plurality of mineral oils or mineral oil fractions are separately subjected to conditions resulting in a conversion or alteration of the hydrocarbons.
(1) Note. Processes classified in this or subclasses may involve subsequent blending of the products of the separate conversions, or the separate fractions may be from a single mineral oil source.
SEE OR SEARCH THIS CLASS, SUBCLASS:
49+, for processes wherein a mineral oil is subjected to a plurality of successive conversion operations.
