.~ By ring formation from nonring moiety, e.g., aromatization, etc. {7}
413
.~.~ With preliminary treatment of feed or plural separation procedures
DEFINITION
Classification: 585/413
With preliminary treatment of feed or plural separation procedures:
(under subclass 407) Subject matter wherein the effluent from the aromatization reaction or a component thereof passes through at least two separation steps or wherein a feedstock is treated prior to the aromatization reaction, e.g., by separation into fractions, by preheating, etc.
