| Patent Number |
Title Of Patent |
Date Issued |
| 5260240 |
Process for the demetallization of FCC catalyst |
November 9, 1993 |
| A process is disclosed for passivating the reactivity of contaminant metals, such as nickel and vanadium, which have been deposited on a catalytic cracking catalyst, by adding to the cracking catalyst a mixture of a calcium-containing material and a magnesium-containing material in a |
| 5120425 |
Use of zeolite SSZ-33 in hydrocarbon conversion processes |
June 9, 1992 |
| A crystalline zeolite SSZ-33 is prepared using a quaternary ion as a template wherein said zeolite is used in hydrocarbon conversion processes. |
| 5071807 |
Hydrocarbon processing composition |
December 10, 1991 |
| A composition useful for processing hydrocarbonaceous feedstocks is disclosed comprising a mixture of a calcium/magnesium-containing material and a magnesium-containing material. The preferred calcium/magnesium-containing material is dolomite and the preferred magnesium-containing ma |
| 5002653 |
Catalytic cracking process with vanadium passivation and improved |
March 26, 1991 |
| A catalytic cracking process is disclosed employing a dual component cracking catalyst system comprising zeolite as a first component and a mixture of a calcium/magnesium-containing material and a magnesium-containing material as a second component. The preferred calcium/magnesium-co |
| 4988654 |
Dual component cracking catalyst with vanadium passivation and improved sulfur tolerance |
January 29, 1991 |
| A dual component cracking catalyst system is disclosed comprising zeolite as a first component and a mixture of a calcium/magnesium-containing material and a magnesium-containing material as a second component. The preferred calcium/magnesium-containing material is dolomite and the p |
