Process for preparing aviation base stock and aviation gasoline

Claim 1

PROCESS FOR THE PARODUCTION OF 100/130 GRADE AVIATION GASOLINE WHICH COMPRISES SEPARATING FROM A NAPHTHENIC STRAIGHT RUN GASOLINE CONTAINING AT LEAST 40% BY WEIGHT NAPHTHENES BY FRACTIONAL DISTILLATION A LIGHT ENDS FRACTION BOILING UP TO ABOUT 65*C. AND A FRACTION HAVING AN INTIAL BOILING POINT OF ABOUT 65*C., CATALYTICALLY REFORMPOINT BETWEEN 130*C. AND 140*C., CATALYTICALLY REFORMING LATTER FRACTION, BLENDING THE REFORMATE THUS PROBLEND, FRACTIONALLY DISTILLING THE STABLIZED BLEND TO SEPARATE AND REMOVE THEREFROM THE MATERIAL BOILING BETWEEN ABOUAT 75*C. AND 105EC., AND BLENDING TRHE REMAINDER IN AN AMOUNT AT LEAST 30% BY VOLUME WITH ALKLATE IN AN AMOUNT LESS THAN 50% BY VOLUME AND ISOPENTANE IN AN AMOUNT SUFFICIENT TO MEET THE VOLATILITY REQUIREMENTS, ANY ADDITIONAL COMPONENTS BEING PRESENT IN AMOUNTS LESS THAN 10% BY VOLUME OF THE FINISHED GASOLINE.