Preparation of alpha-olefins by dehydration of 2-alcohols

Claim 1

A PROCESS OF PREPARING A-OLEFINS BY SELECTIVELY DEHYDRATING 2-ALCOHOLS COMPRISING CONTACTING A 2-ALCOHOL HAVING THE FORMULA: (R-)2-CH-CH(-OH)-CH3 WHEREIN R IS SELECTED FROM THE GROUP CONSISTING OF HYDROGEN, HYDROCARBON RADICALS AND SUBSTITUTED HYDROCARBON RADICALS WITH THE FURTHER PROVISIONS THAT AT LEAST ONE R IS HYDRACARBON IN NATURE, THAT THE HYDROCARBON RADICAL IS SELCTED FROM THE GROUP CONSISTING OF ALKYL, ALKENYL, ALYNL AND CYCLOALKYL RADICALS AND THE SUBSTITUENTS ON THE SUBSTITUTED HYDROCARBONS ARE SELECTED FROM THE GROUP CONSISTING OF KETO, HYDROXYL ALKOXY, ESTER GROUPS AND ARYL RADICALS WITH THE FURTHER PROVISION THAT WHEN THE SUBSTITUENT IS ONE CLOSER THAN THE 5 DOUBLE BOND, TRIPPLE BOND, CARBON THAN THE 4 POSITION, WHEN THE SUBSTITUENT IS A KETO GROUP IT IS NO CLOSER THAN THE 5 POSITION, WHEN THE SUBSTITUENT IS ON OF THE GROUP OF A DOUBLE BOND, TRIPLE BOND, HYDROXYL, ALKOXY AND ESTER GROUPS THE SUBSTITUENT IS NO CLOSER THAN THE 6 POSITION, IN THE VAPOR STATE WITH A METAL OXIDE CATALYST SELECTED FROM THE GROUP CONSISTING OF THORIUM OXIDE, SCANDIUM OXIDE, YTTRIUM OXIDE, AND OXIDES OF THE RARE EARTH METALS AT A TEMPERATURE IN THE RANGE OF ABOUT 330* TO ABOUT 600*C., AND RECOVERING AN OLEFIN PRODUCT OF WHICH AT LEAST ABOUT 90% IS ALPHA-OLEFIN.