Union Carbide Corporation

Uop Lcc

Brent M Lok

Edith M Flanigen

Stephen T Wilson

Bonita K Marcus

Robert L Patton

Lawrence D Vail

Celeste A Messina

Richard T Gajek

Frank P Gortsema

Thomas R Cannan

David A Lesch

Desh R Garg

Daniel C Garska

Craig H Barkhausen

Norbert R Mumbach

Thomas J Izod

Carl J Kjellson

Titanium-aluminum-silicon-oxide molecular sieves having three-dimensional microporous crystalline framework structures of tetrahedral oxide units TiO.sub.2, AlO.sub.2 and SiO.sub.2 are disclosed having use as molecular sieves and as catalyst compositions in hydrocarbon conversion and other processes.

Titanium-aluminum-silicon-oxide molecular sieve compositions

The catalytic conversion of hydrocarbon feedstocks is affected under effective conversion process conditions in the presence of silicoaluminophosphate-based catalyst compositions.

Hydrocarbon conversions using catalysts silicoaluminophosphates

Molecular sieve compositions having three-dimensional microporous framework structures of BO.sub.2, AlO.sub.2, PO.sub.2 and SiO.sub.2 tetrahedral oxide units are disclosed. These molecular sieves have an empirical chemical composition on an anhydrous basis expressed by the formula:

Boron-aluminum-phosphorus-silicon-oxide molecular sieve compositions

Molecular sieve compositions having three-dimensional microporous framework structures of GaO.sub.2, AlO.sub.2 and PO.sub.2 tetrahedral oxide units are disclosed. These molecular sieves have an empirical chemical composition on an anhydrous basis expressed by the formula:

Gallium-aluminum-phosphorus-oxide molecular sieve compositions

A process for treating crystalline aluminophosphates to provide aluminophosphates having modified catalytic properties. The crystalline aluminophosphates are contacted with a halogen-derived compound at an effective temperature and for an effective time to alter the surface characteristics of the aluminophosphates with resulting modification of catalytic properties.

Halogen modification of aluminophosphate molecular sieves

Molecular sieve compositions having three-dimensional microporous framework structures of GeO.sub.2, AlO.sub.2, PO.sub.2 and SiO.sub.2 tetrahedral oxide units are disclosed. These molecular sieves have an empirical chemical composition on an anhydrous basis expressed by the formula:

Germanium-aluminum-phosphorus-silicon-oxide molecular sieve compositions

Crystalline molecular sieves having three-dimensional microporous framework structures of ELO.sub.2, SiO.sub.2 and PO.sub.2 framework oxide units are disclosed. The molecular sieves have an empirical chemical composition on an anhydrous basis expressed by the formula:

Process for separating molecular species

Molecular sieve compositions having three-dimensional microporous framework structures of LiO.sub.2, AlO.sub.2, PO.sub.2 and SiO.sub.2 tetrahedral oxide units are disclosed. These molecular sieves have an empirical chemical composition on an anhydrous basis expressed by the formula:

Lithium-aluminum-phosphorus-silicon-oxide molecular sieve compositions

Crystalline molecular sieves having three-dimensional microporous framework structures of ELO.sub.2, AlO.sub.2, SiO.sub.2 and PO.sub.2 framework oxide units are disclosed. The molecular sieves have an empirical chemical composition on an anhydrous basis expressed by the formula: mR: (EL.sub.w Al.sub.x P.sub.y Si.sub.z)O.sub.2 wherein 'R' represents at least one organic templating agent present in the intracrystalline pore system; 'm' represents the molar amount of 'R' present per mole of (EL.sub.w Al.sub.x P.sub.y Si.sub.z)O.sub.2 ; 'EL' represents at least one element capable of forming a framework oxide unit; and 'w', 'x', 'y' and 'z' represent the mole fractions of element(s) 'EL', aluminum, phosphorus and silicon, respectively, present as framework oxides. Their use as adsorbents, catalysts, etc. is also disclosed.

Molecular sieve compositions

Crystalline molecular sieves having three-dimensional microporous framework structures of MO.sub.2.sup.n, AlO.sub.2, and PO.sub.2 tetrahedral oxide units are disclosed. These molecular sieves have an empirical chemical composition on an anhydrous basis expressed by the formula:

Molecular sieves having three-dimensional microporous framework structures of CoO.sub.2, MnO.sub.2, AlO.sub.2, PO.sub.2, and SiO.sub.2 tetrahedral oxide units are disclosed. These molecular sieves have an empirical chemical composition on an anhydrous basis are expressed by the formula:

Quinary molecular sieve compositions

Molecular sieves having three-dimensional microporous framework structures of BO.sub.2, AlO.sub.2 and PO.sub.2 tetrahedral units are disclosed. These molecular sieves have an empirical chemical composition on an anhydrous basis expressed by the formula:

Boron-aluminum-phosphorus-oxide molecular sieve compositions

Molecular sieve compositions having three-dimensional microporous framework structures of BeO.sub.2, AlO.sub.2 and PO.sub.2 tetrahedral oxide units are disclosed. These molecular sieves have an empirical chemical composition on an anhydrous basis expressed by the formula:

Beryllium-aluminum-phosphorus-oxide molecular sieve compositions

Crystalline molecular sieves having three-dimentional microporous framework structures of ZnO.sub.2, AlO.sub.2, SiO.sub.2 and PO.sub.2 tetrahedral units are disclosed. These molecular sieves have an empirical chemical composition on an anhydrous basis expressed by the formula:

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New City, NY, United States of America

Brent M Lok