1
Ashim Kumar Ghosh, Neeta Kulkarni, Pamela Harvey, Roncalli J Twomey: Hydrothermal treatment of phosphorus-modified zeolite catalysts. Saudi Basic Industries Corporation, Grady K Bergen, Jim D Wheelington, Griggs Bergen, December 4, 2007: US07304194 (19 worldwide citation)

A method of treating a ZSM-5-type zeolite catalyst is carried out by treating a ZSM-5 zeolite catalyst having a silica/alumina mole ratio of at least about 200 with a phosphorus compound. The phosphorus-treated ZSM-5 zeolite catalyst is calcined and steamed. Steaming of the catalyst is carried out a ...


2
Ashim Kumar Ghosh, Neeta Kulkarni, Pamela Harvey, Roncalli J Twomey: Method of hydrothermal treatment of phosphorus-modified zeolite catalyts. Saudi Basic Industries Corporation, Grady K Bergen, Jim D Wheelington, Griggs Bergen, August 18, 2009: US07576026 (5 worldwide citation)

A method of treating a ZSM-5-type zeolite catalyst is carried out by treating a ZSM-5 zeolite catalyst having a silica/alumina mole ratio of at least about 200 with a phosphorus compound. The phosphorus-treated ZSM-5 zeolite catalyst is calcined and steamed. Steaming of the catalyst is carried out a ...


3
Ashim Kumar Ghosh, Neeta Kulkarni, Pamela Harvey, Roncalli J Twomey: Method of Hydrothermal Treatment of Phosphorus-Modified Zeolite Catalyts. Grady K Bergen, January 10, 2008: US20080009406-A1

A method of treating a ZSM-5-type zeolite catalyst is carried out by treating a ZSM-5 zeolite catalyst having a silica/alumina mole ratio of at least about 200 with a phosphorus compound. The phosphorus-treated ZSM-5 zeolite catalyst is calcined and steamed. Steaming of the catalyst is carried out a ...


4
Ashim Kumar Ghosh, Neeta Kulkarni, Pamela Harvey, Roncalli J Twomey: Hydrothermal treatment of phosphorus-modified zeolite catalysts. Saudi Basic Industries Corporation, Grady K Bergen, November 9, 2006: US20060252633-A1

A method of treating a ZSM-5-type zeolite catalyst is carried out by treating a ZSM-5 zeolite catalyst having a silica/alumina mole ratio of at least about 200 with a phosphorus compound. The phosphorus-treated ZSM-5 zeolite catalyst is calcined and steamed. Steaming of the catalyst is carried out a ...