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Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Inventor:
Valyocsik; Ernest W.
Address:
Yardley, PA
No. of patents:
81
Patents:


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Patent Number Title Of Patent Date Issued
5670131 Synthetic porous crystalline MCM-61, its synthesis and use September 23, 1997
This invention relates to a new synthetic porous crystalline material, designated MCM-61, a method for its preparation and use thereof as a sorbent or in catalytic conversion of organic or inorganic compounds. The new crystalline material exhibits a distinctive X-ray diffraction pattern.
5614629 Benzyl quaternary tropinium compound March 25, 1997
This invention is directed to novel benzyl quaternary ammonium compounds and their synthesis. The compounds have valuable utility as organic directing agents in the crystallization of a silicate structure which, in turn, is useful as a catalyst component, sorbent, and/or ion-exchanger.
5583276 Process for producing low aromatic diesel fuel with high cetane index December 10, 1996
A process for converting at least one olefin and at least one isoparaffin to a diesel fuel blending component comprising the steps of contacting the olefin and the isoparaffin with a catalyst comprising MCM-58 to provide a diesel fuel. Process conditions can be varied to favor the format
5569805 Catalytic conversion of aromatic compounds October 29, 1996
A process is provided for catalytic conversion of feedstock comprising aromatic compounds to product comprising aromatic compounds which differs from said feedstock. The catalyst required in the process comprises a crystalline material having the structure of MCM-58. Said crystalline
5534656 Organic compound conversion with MCM-58 July 9, 1996
This invention relates to use of synthetic porous crystalline MCM-58 as a catalyst component in catalytic conversion of organic compounds.
5527981 Sorption separation with MCM-58 June 18, 1996
This invention relates to use of synthetic porous crystalline material MCM-58 as a sorbent composition for separating at least one component from a mixture of components.
5441721 Synthesis of porous crystalline MCM-58 August 15, 1995
This invention relates to a new method for synthesis of porous crystalline material designated MCM-58. The crystalline MCM-58 product of the present method exhibits a distinctive X-ray diffraction pattern.
5437855 Synthetic porous crystalline MCM-58, its synthesis and use August 1, 1995
This invention relates to a new synthetic porous crystalline material, designated MCM-58, a method for its preparation and use thereof in catalytic conversion of organic compounds. The new crystalline material exhibits a distinctive X-ray diffraction pattern.
5336478 Highly siliceous porous crystalline material August 9, 1994
A new zeolite, designated ZSM-22, is disclosed and claimed. The new zeolite has the composition, in the anhydrous state, expressed in terms of mole ratios of oxides as follows:wherein Q.sub.2 O is the oxide form of an organic compound, M is an alkali or alkaline earth metal having a vale
5254770 Isomerization of aromatic compounds over ZSM-22 zeolite October 19, 1993
A mixture of aromatic hydrocarbons, comprising xylenes, is isomerized in the presence of ZSM-22 zeolite to produce a product stream wherein the proportion of para-xylene is substantially equal to the equilibrium ratio of the para-isomer. The process is conducted at about 500.degree. F. t
5192728 Tin-colating microporous crystalline materials and their use as dehydrogenation, dehydrocyclizat March 9, 1993
Group VIII metal modified non-acidic tin containing microporous crystalline materials which in catalysis exhibit high selectivity for dehydrogenation and dehydrocyclization are described.
5192521 Synthesis of crystalline silicate ZSM-12 March 9, 1993
This invention relates to a new form of crystalline material identified as zeolite ZSM-12, to a new and useful improvement in synthesizing said crystalline material and to use of said crystalline material prepared in accordance herewith as a catalyst for organic compound, e.g. hydrocarbo
5183790 Use of ZSM-57 in catalytic cracking for gasoline octane improvement and co-production of light o February 2, 1993
The catalytic cracking of a hydrocarbon oil to provide a product of increased octane number and increased light olefin content is carried out employing a cracking catalyst composition containing both a large port crystalline zeolite component and a ZSM-57 zeolite component.
5137705 Synthesis of crystalline silicate ZSM-12 August 11, 1992
This invention relates to a new form of crystalline material identified as zeolite ZSM-12, to a new and useful improvement in synthesizing said crystalline material and to use of said crystalline material prepared in accordance herewith as a catalyst for organic compound, e.g. hydrocarbo
5124497 Production of mono-substituted alkylaromatics from C.sub.8 +N-paraffins June 23, 1992
A process for producing monosubstituted monoalkylaromatics from C.sub.8 +n-paraffins-containing feeds, by contacting the feeds with a non-acid catalyst comprising a microporous crystalline material containing tin, indium, thallium or lead, is disclosed.
5100596 Synthesis of membrane composed of a pure molecular sieve March 31, 1992
A method is provided for the preparation of a synthetic, non-composited microporous membrane comprising a continuous array of crystalline molecular sieve material. A non-porous forming surface is contacted, under crystallization conditions, with a chemical mixture capable of forming the
5098555 Use of SZM-57 in catalytic cracking for gasoline octane improvement and co-production of light o March 24, 1992
The catalytic cracking of a hydrocarbon oil to provide a product of increased octane number and increased light olefin content is carried out employing a cracking catalyst composition containing both a large pore crystalline zeolite component and a ZSM-57 zeolite component.
5075269 Production of high viscosity index lubricating oil stock December 24, 1991
Waxy hydrocarbon oils, e.g., of petroleum origin, are catalytically dewaxed to produce high viscosity index lubricating oil stocks utilizing as catalyst acidic zeolite ZSM-48.
5068096 Synthesis of crystalline silicate MCM-47 November 26, 1991
This invention relates to a new form of crystalline material identified as zeolite MCM-47, to a new and useful improvement in synthesizing said crystalline material and to use of said crystalline material prepared in accordance herewith as a catalyst for organic compound, e.g. hydrocarbo
5063039 Synthesis of kenyaite-type layered silicate material and its polymeric chalcogenide intercalates November 5, 1991
An improved, economical and reproducible method for preparing synthetic Kenyaite-type layered crystalline silicate exhibiting high crystallinity and purity, catalytic utility and other valuable properties is provided. The method comprises forming a reaction mixture containing a source of
5013423 Reforming and dehydrocyclization May 7, 1991
Improved, dehydrocyclization and low-pressure reforming processes based on a non-acidic metal containing crystalline microporous indium catalyst, in which the feed is rich in C.sub.6 -C.sub.7 low octane hydrocarbons, such as paraffins, and in which the reformate has increased aromatic co
4990710 Tin-containing microporous crystalline materials and their use as dehydrogenation, dehydrocycliz February 5, 1991
Group VIII metal modified non-acidic tin containing microporous crystalline materials which in catalysis exhibit high selectively for dehydrogenation and dehydrocyclization are described.
4982028 Dehydrogenation and dehydrocyclization catalyst January 1, 1991
Non-acid microporous crystalline indium containing materials are combined with Group VIII metal such as platinum to produce catalysts which exhibit high selectivity for dehydrocyclization of C.sub.5.sup.+ paraffins and which exhibit little, if any, cracking activity for hexane and hepta
4973781 Zeolite ZSM-57 and catalysis therewith November 27, 1990
This invention relates to a synthetic porous zeolite, identified as ZSM-57, a method for its preparation and use thereof in catalytic conversion of organic compounds. This crystalline material may have a ratio of XO.sub.2 : Y.sub.2 O.sub.3 of at least 4, wherein X represents silicon and/
4941963 Synthesis of crystalline ZSM-11 structure July 17, 1990
This invention relates to a new form of crystalline material identified as ZSM-11, to a new and useful improvement in synthesizing said crystalline material and to use of said crystalline material prepared in accordance herewith as a catalyst for organic compound, e.g. hydrocarbon compou
4935566 Dehydrocyclization and reforming process June 19, 1990
An improved, low-pressure dehydrocyclization and/or reforming process based on a non-acidic metal containing crystalline microporous tin catalyst, in which the feed is rich in low octane hydrocarbons, such as paraffins, and in which the product has increased aromatic content and increase
4931416 Thallium or lead-containing microporous crystalline materials and their use as dehydrogenation d June 5, 1990
Crystalline microporous thallium or lead containing silicate isostructural with zeolites, as catalysts, exhibit high selectivity for dehydrogenation, dehydrocyclization, and reforming.
4929790 Catalytic conversion of propane to ethylene over ZSM-23 May 29, 1990
There is provided a process for converting propane to ethylene over a zeolite catalyst comprising ZSM-23. This zeolite may be contacted with an anhydrous acidic oxide gas capable of accepting hydrogen by reacting therewith, such as sulfur dioxide (SO.sub.2), in order to enhance the e
4923690 Method for producing highly siliceous zeolites May 8, 1990
Large pore size zeolites produced with organic cations in the synthesis mixture are synthesized with high silica:alumina ratios by terminating the crystallization when the product is partly crystalline, preferably 30% to 90 % crystalline by X-ray diffraction measurement. The method is
4922050 Catalytic dehydrogenation of hydrocarbons over indium-containing crystalline microporous materia May 1, 1990
A catalytic dehydrogenation to produce the unsaturated analogs of aliphatic compounds with high process selectivity for the unsaturated analog production. The catalytic dehydrogenation comprises contacting the aliphatic compound, under dehydrogenation conditions, with a catalyst comp
4913796 Novel crystalline silicoaluminophosphate April 3, 1990
This invention relates to a new form of crystalline silicoaluminophosphate, to a new and useful improvement in synthesizing said crystalline material and to use of said crystalline material prepared in accordance herewith as a catalyst for organic compound, e.g. hydrocarbon compound, con
4913795 Novel crystalline metalloaluminophosphate April 3, 1990
This invention relates to a new form of crystalline metalloaluminophosphate, to a new and useful improvement in synthesizing said crystalline material and to use of said crystalline material prepared in accordance herewith as a catalyst for organic compound, e.g. hydrocarbon compound
4902406 Synthesis of zeolite ZSM-22 February 20, 1990
A process for preparing a new zeolite, designated ZSM-22, is disclosed and claimed. The process comprises preparing a reaction mixture comprised of sources of an alkali or alkaline earth metal, alumina, silica, alkane diamine and water, and having the following composition, in terms of m
4886926 Catalytic dehydrogenation of hydrocarbons over tin-containing crystalline microporous materials December 12, 1989
A catalytic dehydrogenation to produce the unsaturated analogs of aliphatic compounds with high process selectivity for the unsaturated analog production. The catalytic dehydrogenation comprises contacting the aliphatic compound, under dehydrogenation conditions, with a catalyst comp
4882040 Reforming process November 21, 1989
An improved, low-pressure reforming process based on non-acidic metal containing crystalline microporous catalyst, in which the feed is a naptha rich in C.sub.6 -C.sub.7 low octane hydrocarbons, such as paraffins, and in which the reformate has increased aromatic content and increased oc
4877593 Synthesis of crystalline aluminophosphate composition October 31, 1989
This invention relates to a new form of crystalline aluminophosphate, to a new and useful improvement in synthesizing said crystalline material and to use of said crystalline material prepared in accordance herewith as a catalyst for organic compound, e.g. hydrocarbon compound, conversio
4873067 Zeolite ZSM-57 October 10, 1989
This invention relates to a synthetic porous zeolite, identified as ZSM-57, a method for its preparation. This crystalline material may have a ratio of XO.sub.2 :Y.sub.2 O.sub.3 of at least 4, wherein X represents silicon and/or germanium and Y represents aluminum, boron, chromium, iron
4869806 Production of high viscosity index lubricating oil stock September 26, 1989
Waxy hydrocarbon oils, e.g., of petroleum origin, are catalytically dewaxed to produce high viscosity index lubricating oil stocks utilizing as catalyst acidic zeolite ZSM-57.
4868145 Dehydrogenation and dehydrocyclization catalyst September 19, 1989
Non-acid microporous crystalline indium containing materials are combined with Group VIII metal such as platinum to produce catalysts which exhibit high selectivity for dehydrocyclization of C.sub.5.sup.+ paraffins and which exhibit little, if any, cracking activity for hexane and hepta
4849567 Catalytic dehydrogenation of hydrocarbons over indium-containing crystalline microporous materia July 18, 1989
A catalytic dehydrogenation to produce the unsaturated analogs of aliphatic compounds with high process selectivity for the unsaturated analog production. The catalytic dehydrogenation comprises contacting the aliphatic compound, under dehydrogenation conditions, with a catalyst comp
4840780 ZSM-51, method of preparing same and catalytic conversion therewith June 20, 1989
A novel crystalline zeolite identified as zeolite ZSM-51 and its method of preparation is disclosed. The use of the material as a catalyst is also disclosed.
4830729 Dewaxing over crystalline indium silicates containing groups VIII means May 16, 1989
Catalytic dewaxing of wax containing hydrocarbon feedstocks is undertaken in the presence of a catalyst composition comprising a dehydrogenation metal in combination with a non-acidic microporous crystalline material to maximize liquid yield.
4822942 Styrene production April 18, 1989
An indium containing crystalline microporous material also containing a dehydrogenation component exhibits high selectivity for the aromatization of a normal paraffin to styrene, under dehydrocyclization conditions.Group VIII metal-containing non-acidic crystalline microporous indium con
4778780 Synthesis of crystalline SAPO-17 October 18, 1988
This invention relates to a new form of crystalline silicoaluminophosphate identified as SAPO-17, to a new and useful improvement in synthesizing said crystalline material and to use of said crystalline material prepared in accordance herewith as a catalyst for organic compound, e.g.
4752378 Catalysis over crystalline silicate ZSM-58 June 21, 1988
A process is provided for converting feedstock comprising hydrocarbon compounds to product comprising hydrocarbon compounds of lower molecular weight than feedstock hydrocarbon compounds over a catalyst comprising porous crystalline material having the structure of ZSM-58. In particular
4717780 Catalytic aromatics conversion January 5, 1988
A process is provided for converting feedstock aromatic compounds by alkylation, transalkylation, disproportionation and/or isomerization over a catalyst comprising zeolite ZSM-58.
4709114 Catalytic oxygenate conversion November 24, 1987
A process is provided for converting feedstock comprising oxygenates to product comprising hydrocarbons over a catalyst comprising zeolite ZSM-58.
4698217 Crystalline silicate ZSM-58 and process for its preparation using a methyltropinium cation October 6, 1987
This invention relates to a new synthetic porous crystalline material, a method for its preparation and use thereof in catalytic conversion of organic compounds. The new crystalline material exhibits a distinctive X-ray diffraction pattern.
4670615 Hydrocarbon compound conversion June 2, 1987
A process is provided for converting feedstock comprising aromatic hydrocarbon compounds to product comprising aromatic hydrocarbon compounds which differs from the feedstock over a catalyst composition comprising a crystalline layered silicate material.
4665264 Catalytic conversion May 12, 1987
A process is provided for converting feedstock comprising C.sub.2.sup.+ olefins, C.sub.2 -C.sub.7 paraffins or mixtures thereof to product comprising C.sub.5.sup.+ hydrocarbons over a catalyst comprising zeolite ZSM-58.
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