Hydrocracking of hydrocarbon oil with a copper oxide-chromium oxide catalyst on an alumina-fluorine support

Claim 1

A METHOD OF HYDROCRACKING A HYDROCARBON OIL BOILING ABOVE 850*F. WHICH COMPRISES CHARGING A CATALYST AND A FEED COMPRISING SAID TO A CONTACTING ZONE AND CONTACTING SAID FEED WITH SAID CATALYST AT A TEMPERATURE IN THE RANGE FROM 700 TO 1000 DEGREES F., A PRESSURE IN THE RANGE FROM 500 TO 5000 P.S.I.G., A LIQUID HOUR SPACE VELOCITY OF FROM 0.1 TO 10, IN THE PRESENCE OF FROM 1000 TO 2000 STANDARD CUBIC FEET OF HYDROGEN PER BARREL OF SAID FEED, SAID CATALYST COMPRISING A MIXTURE OF COPPER AND CHROMIUM IN AN OXIDIZED FORM, WHEREIN THE RATIO OF CHROMIUM TO COPPER THEREIN CONTAINING FROM 4:1 PARTS BY WEIGHT DEPOSITED ON ALUMINA CONTAINING FROM 0.1 TO 2 WEIGHT DEPOSITED ON ALUMINA CONTAINING FROM CENT OF COPPER PLUS CHROMIUM CONTAINED IN SAID CATALYST BEING IN THE RANGE FROM 2 TO 20 WEIGHT MATERIAL BOILING BY CONVERTING AT LEAST A PORTION OF THE MATERIAL BOILING ABOVE 850 DEGREES F. AND CONTAINING GOOD YIELDS OF GAS-OIL BOILING IN THE RANGE FROM 500 TO 850 DEGREES F.