Jean Louis Guth, Zelimir Gabelica: Silica/germanium oxide zeolites. Rhone Poulenc Chimie, Burns Doane Swecker & Mathis, December 6, 1994: US05371307 (29 worldwide citation)

Novel calcined zeolites of MFI type, based on silica and germanium oxide, are well adapted for the catalysis, e.g., of hydrogenolysis, hydrogenation and reforming reactions, and have the general formula:

Zelimir Gabelica, Reinaldo Monque, Giuseppe Giannetto: Method of manufacturing metallosilicates. Intevep, Bachman & LaPointe, October 11, 1994: US05354719 (6 worldwide citation)

A process for preparing a metallosilicate catalyst includes the steps of: forming a mixture of at least one non-alkali metal, a templating agent, and an organic base; adding a silicon additive to the mixture so as to form a metallosilicate hydrogel; aging the hydrogel to obtain a crystalline metallo ...