A PROCEDURE FOR ENCAPSULATING A PARTIALLY MISCIBLE ORGANIC MATERIAL IN WATER WITHIN A LAYER OF POLYUREA OR POLYURETHANE MICROCAPSULES COMPOSED OF A MATERIAL THAT IS PARTIALLY MISCIBLE IN WATER, ENCAPSULATED WITH A LAYER OF POLYUREA OR POLIUREA
A PROCESS FOR THE PRESULFURIZATION OF POROUS PARTICLES OF A SULFURABLE CATALYST CONTAINING AT LEAST ONE METAL OR METAL OXIDE, A PRESULFURED CATALYST SO OBTAINED, AND A PROCESS TO CONVERT A SOURCE OF HYDROCARBON FEED BY THESE
PROCESS TO PRODUCE SPHERICAL CATALYST PARTICLES CONTAINING A ZEOLITE, CATALYST PARTICLES OBTAINED BY SUCH PROCESS AND USE OF SUCH PARTICLES IN OLEFIN COMPOUND EPOXIDATION REACTIONS
A PROCESS FOR THE PRESULFURIZATION OF POROUS PARTICLES OF A SULFURABLE CATALYST CONTAINING AT LEAST ONE METAL OR METAL OXIDE, A PRESULFURED CATALYST SO OBTAINED, AND A PROCESS TO CONVERT A SOURCE OF HYDROCARBON FEED BY THESE