Zeolite catalytic composition comprising phosphorus-containing IM-5-P, their preparation and their use in the catalytic cracking

Catalytic composition comprising: Zeolite I. at least one phosphorus-containing IM-5-P, at least partly in the hydrogen form, for its part comprising silicon and at least one element from the group Al, Fe, Ga, Ti and B and at most 10 wt .-% phosphorus; II. At least one other zeolite selected from the group consisting of Y zeolite, zeolite X, zeolite Beta, zeolites ZSM-5 and silicalite and III. at least one matrix.