| Patent Number |
Title Of Patent |
Date Issued |
| 7439409 |
Process for para-xylene production from light aliphatics |
October 21, 2008 |
| Low-value mixed butanes are processed to obtain a high yield of high-purity para-xylene. Processing steps may comprise fractionation to recover isobutane, dehydrogenation of the isobutane to isobutene, dimerization of the isobutene to obtain C.sub.8 iso-olefins and isoparaffins, arom |
| 7417003 |
Solid acid catalyst and process for decomposition of cumene hydroperoxide |
August 26, 2008 |
| The present invention provides a catalyst particle of an inner core, an outer layer surrounding and bonded to the inner core, the outer layer of a zeolite beta catalyst, and the outer layer having a volumetric fraction from about 0.17 to about 0.62 of the entire catalyst particle. |
| 7405177 |
Catalyst for selective opening of cyclic naphtha and process for using the catalyst |
July 29, 2008 |
| A catalyst and process for opening aliphatic cyclic hydrocarbons have been developed. The catalyst comprises a catalytic metal component, a molecular sieve and refractory inorganic oxide component. The molecular sieve is selected from the group consisting of MAPSOs, SAPOs, UZM-8, UZM |
| 7268267 |
Alkylation process using UZM-8 zeolite |
September 11, 2007 |
| A process for the alkylation of aromatics with olefins using a solid catalyst bed containing UZM-8 zeolite is disclosed. A polyalkylated aromatic is passed to the catalyst bed to reduce the concentration of the olefin at alkylation conditions. A portion of the effluent recovered from |
| 7205448 |
Process for the removal of nitrogen compounds from a fluid stream |
April 17, 2007 |
| At lower temperatures an acidic molecular sieve adsorbent preferentially adsorbs water and basic organic nitrogen compounds over weakly basic organic nitrogen compounds such as nitrites. Elevated temperatures improve the capacity of acidic molecular sieve adsorbents to adsorb nitrite |
| 7091390 |
Hydrocarbon conversion processes using catalysts comprising UZM-8 and UZM-8HS compositions |
August 15, 2006 |
| Hydrocarbon conversion processes using a new family of zeolites identified as UZM-8 and UZM-8HS are described. The UZM-8 and UZM-8HS are related in that the UZM-8HS are derived from the UZM-8 zeolite by treating the UZM-8 with a fluoro-silicate salt, an acid, etc. The UZM-8 and -8HS have |
| 6982074 |
High silica zeolites: UZM-5HS |
January 3, 2006 |
| A family of crystalline aluminosilicate zeolites designated UZM-5HS and derived from UZM-5 have been synthesized. The aluminum content of the UZM-5HS is lower than that of the starting UZM-5 thus changing its ion exchange capacity and acidity. These UZM-5HS are represented by the emp |
| 6890511 |
Crystalline aluminosilicate zeolitic composition: UZM-15 |
May 10, 2005 |
| An aluminosilicate zeolite and substituted versions designated UZM-15 have been synthesized. These zeolites are prepared using an organoammonium cation as a template in which at least one organic group has at least 2 carbon atoms. An example of such a cation is diethyldimethylammonium |
| 6776975 |
Crystalline aluminosilicate zeolitic composition: UZM-4M |
August 17, 2004 |
| Applicants have synthesized a new crystalline aluminosilicate zeolite identified as UZM-4M. This new zeolite is obtained by treating a UZM-4 zeolite with a fluorosilicate salt to obtain a zeolite having the empirical formula:where M1 is an alkali metal, alkaline earth metal, rare earth m |
| 6756030 |
Crystalline aluminosilicate zeolitic composition: UZM-8 |
June 29, 2004 |
| Applicants have synthesized a family of microporous aluminosilicate zeolites and substituted versions thereof which are identified as UZM-8. These new compositions can be prepared using either only one or more organoammonium cations, such as diethyldimethylammonium or ethyltrimethyla |
| 6752980 |
UZM-16: a crystalline aluminosilicate zeolitic material |
June 22, 2004 |
| An aluminosilicate zeolite and substituted version designated UZM-16 have been synthesized. These zeolites are prepared using benzyltrimethyl-ammonium (BzTMA) cation or a combination of BzTMA and at least one other quaternary ammonium cation These zeolites have a structure that is re |
| 6710003 |
Process for preparing attrition resistant zeolitic layered catalyst composition |
March 23, 2004 |
| A layered catalyst composition is disclosed where the composition is prepared by bonding an outer layer comprising a bound zeolite (e.g. zeolite beta) to an inner core material (e.g. cordierite). The use of an organic bonding agent in the catalyst preparation procedure provides a com |
| 6613302 |
UZM-5, UZM-5P and UZM-6: crystalline aluminosilicate zeolites and processes using the same |
September 2, 2003 |
| A new family of crystalline alumino-silicate zeolites has been synthesized. These zeolites are represented by the empirical formula.where M is an alkali or alkaline earth metal such as lithium and strontium, R is a nitrogen containing organic cation such as tetramethyl ammonium and E is |
| 6586647 |
Process for hydrogenating acetylenes |
July 1, 2003 |
| A process for selectively hydrogenating C4-acetylenes in a liquid hydrocarbon stream containing largely butadiene has been developed. Hydrogen and the hydrocarbon stream are contacted with a catalytic composite comprising an inorganic oxide support having dispersed thereon finely div |
| 6500998 |
Aromatic alkylation process using UZM-5 and UZM-6 aluminosilicates |
December 31, 2002 |
| A process for transalkylating a polyalkylated aromatic compound with a non-alkylated aromatic compound using a new family of related crystalline aluminosilicate zeolites has been developed. These zeolites are represented by the empirical formula:where M is an alkali or alkaline earth met |
| 6417419 |
Process for hydrogenating acetylenes |
July 9, 2002 |
| A process for selectively hydrogenating C4-acetylenes in a liquid hydrocarbon stream containing largely butadiene has been developed. Hydrogen and the hydrocarbon stream are contacted with a catalytic composite comprising an inorganic oxide support having dispersed thereon finely div |
| 6388159 |
Xylene isomerization process using UZM-5 and UZM-6 zeolites |
May 14, 2002 |
| A process for isomerising xylene using a new family of related crystalline aluminosilicate zeolites has been developed. These zeolites are represented by the empirical formula:where M is an alkali or alkaline earth metal such as lithium and strontium, R is a nitrogen containing organic c |
| 6388157 |
Aromatic alkylation process using UZM-5 and UZM-6 aluminosilicates |
May 14, 2002 |
| A process for alkylation of aromatic compounds using a new family of related crystalline aluminosilicate zeolites has been developed. These zeolites are represented by the empirical formula:where M is an alkali or alkaline earth metal such as lithium and strontium, R is a nitrogen contai |
| 6376730 |
Attrition resistant zeolitic layered catalyst composition and aromatics alkylation process for u |
April 23, 2002 |
| A layered catalyst composition is disclosed where the composition is prepared by bonding an outer layer comprising a bound zeolite (e.g. zeolite beta) to an inner core material (e.g. cordierite). The use of an organic bonding agent in the catalyst preparation procedure provides a com |
| 6200463 |
Silicon substituted EMC-2 zeolite: LZ-281 |
March 13, 2001 |
| Applicants have prepared a novel zeolite identified as LZ-281. This zeolite has the framework topology of zeolite EMT. The LZ-281 zeolite is prepared by removing framework aluminum atoms from EMC-2 zeolite while simultaneously replacing the aluminum atoms with extraneous silicon atoms. |
| 5985782 |
Silicon substituted EMC-2 zeolite: LZ-281 |
November 16, 1999 |
| Applicants have prepared a novel zeolite identified as LZ-281. This zeolite has the framework topology of zeolite EMT. The LZ-281 zeolite is prepared by removing framework aluminum atoms from EMC-2 zeolite while simultaneously replacing the aluminum atoms with extraneous silicon atoms. |
| 5688975 |
Rare earth stabilized Cr/Ti substituted molecular sieves |
November 18, 1997 |
| Molecular sieve compositions have been synthesized which are resistant to the loss of framework atoms. Specifically, the molecular sieves of the invention have the empirical formulawhere A is at least one rare earth metal, M is chromium or titanium and "m", "w", "x" and "y" are the mole |
| 5565088 |
Hydrocracking process for enhanced quality and quantity of middle distillates |
October 15, 1996 |
| The invention is a hydrocracking process which produces an increased amount of hydrocarbons useable as diesel fuel by isomerization of high boiling paraffins using a dewaxing catalyst. The process is characterized by the use of a dewaxing catalyst containing a very small amount of a non- |
| 5393409 |
Hydrocracking process using a controlled porosity catalyst |
February 28, 1995 |
| A hydrocracking catalyst and a process using it are described. The catalyst comprises a dealuminated zeolite bound into a highly porous amorphous support matrix. The catalyst is characterized by its low piece density and a bimodal pore distribution, with the unfinished catalyst having a |
| 5233118 |
Steam dehydrogenation process |
August 3, 1993 |
| A process for the steam dehydrogenation of hydrocarbons which utilizes a novel catalytic composition is disclosed. The catalyst composite comprises a Group VIII noble metal component, a Group IA or IIA metal component, and a component selected from the group consisting of tin, germanium, |
| 4914075 |
Dehydrogenation catalyst composition |
April 3, 1990 |
| A novel catalytic composition is disclosed. Also disclosed is a use for the novel composite. The catalyst composite comprises a Group VIII noble metal component, a Group IA or IIA metal component, and a component selected from the group consisting of tin, germanium, lead, indium, gallium |
| 4827072 |
Dehydrogenation catalyst composition and hydrocarbon dehydrogenation process |
May 2, 1989 |
| A novel catalytic composite comprising a platinum group metal component; a modifier metal component selected from the group consisting of a tin component, germanium component, rhenium component and mixtures thereof; an optional alkali or alkaline earth metal component or mixtures thereof |
| 4788371 |
Catalytic oxidative steam dehydrogenation process |
November 29, 1988 |
| A novel process is disclosed for the steam dehydrogenation of dehydrogenatable hydrocarbons in the vapor phase in conjunction with oxidative reheating of the intermediate products. The process utilizes a single catalyst to perform both the selective oxidation and steam dehydrogenatio |
| 4786625 |
Dehydrogenation catalyst compositon |
November 22, 1988 |
| A novel catalytic composite comprising a platinum group metal component; a modifier metal component selected from the group consisting of a tin component, germanium component, rhenium component and mixtures thereof; an optional alkali or alkaline earth metal component or mixtures thereof |
