Exxonmobil Research and Engineering Company

Exxonmobil Chemical Patents Inc.

Exxonmobil Technology and Engineering Company

Hilda B Vroman

Allen Wayne Burton

Simon Christopher Weston

Karl Gottlieb Strohmaier

Ross Mabon

Michael A Marella

Kirk D Schmitt

Joseph M Falkowski

Eugene Anthony Terefenko

Xiaodong Zou

Ivy Dawn Johnson

Mobae Afeworki

Kanmi Mao

Eugene Terefenko

Yifeng Yun

Wei Wan

Tom J Willhammar

Stuart Leon Soled

Sabato Miseo

Ramesh Gupta

Kenneth L Riley

Teh Chung Ho

Hans Thomann

Bhupender S Minhas

Peter I Ravikovitch

Charanjit Singh Paur

Hugo S Caram

Nadya A Hrycenko

Theodore E Datz

Roman Krycak

Randall J Meyer

William W Lonergan

Manoj Kumar Chaudhury

Meghan Nines

Keith C Gallow

Peng Guo

Junliang Sun

Tom Willhammar

Hongyi Xu

Larry M Stevens

Trong D Pham

Manoj K Chaudhury

Simon C Weston

Ros Moban

Charanjit S Paur

A method of making a molecular sieve may include: reacting a source selected from the group consisting of: a source of a tetrahedral element in the presence of a structure directing agent (SDA) selected from the group consisting of: Ar-L-Ar, Ar-L-Ar-L-Ar, Ar-L-Ar-L-NR3, and ArAr-L-ArAr, where Aris to a N-containing cationic aromatic ring, Ar is to a non-charged aromatic ring, L is a methylene chain of 3-6 carbon atoms, NR3is to a quaternary ammonium, and ArArand ArAr are a fused aromatic ring structure comprising both a N-containing cationic portion and a non-charged portion, to produce the molecular sieve.

Intramolecular pi-stacking structure directing agents and molecular sieves synthesized therefrom

A method can include heating an aqueous reaction mixture comprising a silicon source and a boron source and/or an aluminum source in the presence of a quaternary structure directing agent to a temperature of at least 75° C. to produce a zeolite. A composition can include a borosilicate zeolite, an aluminosilicate zeolite, or an aluminoborosilicate zeolite having a framework symmetry of C2/m and a unit cell with measurements of a of 3.5 Å to 4.5 Å, b of 20.1 Å to 21.1 Å, c of 15.5 to 16.5 Å, and β of 97° to 98°.

Zeolite syntheses using diquaternary structure directing agents

An aluminosilicate zeolite may have a molar ratio of Si to Al of about 3 to about 10, a monoclinic space group C2/m with unit cell dimensions of a of 13.6 Å+/−5%, b of 21.7 Å+/−5%, c of 6.7 Å+/−5%, and β of 93°+/−3°, 12-ring pores along a c-axis having dimensions of 7 Å+/−5% by 6 Å+/−5%, and 8-ring pores along an a-axis having dimensions of 3 Å+/−5% by 3 Å+/−5%. Said aluminosilicate zeolites may be useful in hydrocarbon conversion processes, selective catalytic reduction of NOx, COand/or Nadsorption, carbonylation reactions, and the monoalkylamine and dialkylamine syntheses.

EMM-58 zeolite compositions, syntheses, and uses

This disclosure relates to EMM-41 materials, methods for making it, and processes for its use. This disclosure also relates to the structure directing agents used in the methods for making the EMM-41 material as well as the synthesis method used to prepare such structure directing agents.

EMM-41 composition, methods of making and uses thereof

A method can include heating an aqueous reaction mixture comprising a silicon source and a boron source and/or an aluminum source in the presence of a diquaternary structure directing agent to a temperature of at least 75° C. to produce a zeolite. A composition can include a borosilicate zeolite, an aluminosilicate zeolite, or an aluminoborosilicate zeolite having a framework symmetry of C2/m and a unit cell with measurements of a of 3.5 Å to 4.5 Å, b of 20.1 Å to 21.1 Å, c of 15.5 to 16.5 Å, and β of 97° to 98°.

A composition can include a Rho zeolite with a RHO topology having a Si to B ratio or a Si to Al ratio greater than or equal to 8. Making such a composition can include heating an aqueous reaction mixture having a molar ratio of atomic Si to atomic B of about 4 to about 50 or a molar ratio of atomic Si to atomic Al of about 4 to about 50 in the presence of a C-Cdiquat of N,2-dimethylbenzimidazole structure directing agent to a temperature of at least 75° C. to produce a Rho zeolite.

Highly siliceous form of zeolite RHO

The zeolite UTD-1 may be formed under hydrothermal synthesis conditions using a directing agent that does not include a metal atom therein. Methods for synthesizing the zeolite UTD-1 may comprise: combining at least a silicon atom source and a directing agent having a structure of in an aqueous medium; forming the zeolite in the aqueous medium under hydrothermal synthesis conditions, such that the zeolite has a framework silicate with a cationic portion of the directing agent occluded within pores or channels of the framework silicate; and isolating the zeolite from the aqueous medium. The zeolite has a powder x-ray diffraction pattern with at least the following 2&#x3b8;scattering angles: 6.0&#xb1;0.12, 7.6&#xb1;0.1, 14.66&#xb1;0.15, 19.7&#xb1;0.15, 21.27&#xb1;0.15, 22.13&#xb1;0.15, 22.61&#xb1;0.15, and 24.42&#xb1;0.10 for a borosilicate form zeolite, or 6.0&#xb1;0.12, 7.6&#xb1;0.15, 14.55&#xb1;0.15, 19.64&#xb1;0.15, 21.01&#xb1;0.20, 21.90&#xb1;0.20, 22.34&#xb1;0.20, and 24.38&#xb1;0.20 for an aluminosilicate form zeolite.

Zeolite syntheses and directing agents

The disclosure is related to EMM-31 materials, processes, and uses of the same as well as reagents used in the preparation of the EMM-31 materials, process and intermediates for preparing these reagents.

EMM-31 materials and processes and uses thereof

The disclosure is related to EMM-37 materials, processes of making, and uses of the same as well as structure directing agents useful for the preparation of the EMM-37 materials, processes and intermediates for making such structure directing agents.

EMM-37 materials and processes and uses thereof

A molecular sieve material, EMM-17, has in its as-calcined form, a total surface area of greater than 550 m/g and/or an external surface area of greater than about 100 m/g as measured by the BET Method, and a specific X-ray diffraction pattern.

Small crystal EMM-17, its method of making and use

A novel synthetic crystalline material, EMM-28, can be synthesized in the presence of an organic structure directing agent (Q) selected from one or more of the following dications: EMM-28 may be used in organic compound conversion reactions and sorptive processes.

EMM-28, a novel synthetic crystalline material, its preparation and use

The disclosure is related to various modified EMM-23 materials, processes, and uses of the same.

EMM-23 materials and processes and uses thereof

EMM-26 is a novel synthetic crystalline material having a single crystalline phase with a unique T-atom connectivity and X-ray diffraction pattern which identify it as a novel material. EMM-26 has a two-dimensional pore system defined by 10-membered rings of tetrahedrally coordinated atoms having pore dimensions of &#x2dc;6.3 &#x212b;&#xd7;&#x2dc;3.2 &#x212b;. EMM-26 may be prepared with a organic structure directing agent, such as 1,6-bis(N-methylpyrrolidinium) hexane dications and/or 1,6-bis(N-methylpiperidinium) hexane dications. EMM-26 may be used in organic compound conversion and/or sorptive processes.

EMM-26, a novel synthetic crystalline material, its preparation, and its use

A molecular sieve material, EMM-25, having in its calcined form an X-ray diffraction pattern including the following peaks: 

Molecular sieve material, its synthesis and use

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Piscataway, NJ, United States of America

Hilda B Vroman