75476018
Apr 29, 1998
Apr 4, 2000
Active Trademark
SILICA AND SILICATES AS SUPPORT FOR CATALYSTS AND ACTIVE INGREDIENTS AND AS A CATALYST FOR THE POLYMERIZATION OF OLEFINS FOR USE IN THE MANUFACTURE OF POLYETHYLENE, POLYPROPYLENE AND SPECIALITY CHEMICALS IN THE CHEMICAL, PETROCHEMICAL, PLASTICS, AND PHARMACEUTICAL INDUSTRIES
Chemicals