Patent ID: 7442817

Claim:
A process in continuous for the preparation of olefin oxides by the direct epoxidation of an olefin with hydrogen peroxide, or compounds capable of producing hydrogen peroxide under the reaction conditions, in a solvent medium, in the presence of a catalytic system consisting of a zeolite containing titanium atoms and a nitrogenated base having general formula (I) wherein: R, R 1 and R 2 , the same or different, can be H, an alkyl group with C 1 -C 10 carbon atoms, a —COR 3 group wherein R 3 is an alkyl group with C 1 -C 10 carbon atoms, or a group, wherein n is a number ranging from 1 to 10 and R 4 and R 5 are H or an alkyl group with C 1 -C 10 carbon atoms, on the condition that R, R 1 and R 2 are not contemporaneously H.