Patents by Inventor Ernest W. Valyocsik

Ernest W. Valyocsik has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 5670131
    Abstract: 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.
    Type: Grant
    Filed: August 29, 1996
    Date of Patent: September 23, 1997
    Assignee: Mobil Oil Corporation
    Inventor: Ernest W. Valyocsik
  • Patent number: 5614629
    Abstract: 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. More particularly, this invention is concerned with benzyl quaternary ammonium compounds synthesized by selective alkylation of the bridgehead nitrogen of tropane or quinuclidine with a benzyl salt.
    Type: Grant
    Filed: January 30, 1995
    Date of Patent: March 25, 1997
    Assignee: Mobil Oil Corporation
    Inventor: Ernest W. Valyocsik
  • Patent number: 5583276
    Abstract: 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 formation of gasoline, distillate, lube range products or mixtures thereof.
    Type: Grant
    Filed: May 16, 1995
    Date of Patent: December 10, 1996
    Assignee: Mobil Oil Corporation
    Inventors: Stuart D. Hellring, Charles T. Kresge, David O. Marler, Ernest W. Valyocsik
  • Patent number: 5569805
    Abstract: 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 material may have been treated with one or more monomeric or polymeric siloxane compounds which decompose to oxide or non-oxide ceramic or solid-state carbon species.
    Type: Grant
    Filed: May 15, 1995
    Date of Patent: October 29, 1996
    Assignee: Mobil Oil Corporation
    Inventors: Jeffrey S. Beck, Ernest W. Valyocsik, Chaya R. Venkat
  • Patent number: 5534656
    Abstract: This invention relates to use of synthetic porous crystalline MCM-58 as a catalyst component in catalytic conversion of organic compounds.
    Type: Grant
    Filed: April 28, 1995
    Date of Patent: July 9, 1996
    Assignee: Mobil Oil Corporation
    Inventor: Ernest W. Valyocsik
  • Patent number: 5527981
    Abstract: 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.
    Type: Grant
    Filed: April 28, 1995
    Date of Patent: June 18, 1996
    Assignee: Mobil Oil Corporation
    Inventor: Ernest W. Valyocsik
  • Patent number: 5441721
    Abstract: 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.
    Type: Grant
    Filed: December 1, 1994
    Date of Patent: August 15, 1995
    Assignee: Mobil Oil Corp.
    Inventor: Ernest W. Valyocsik
  • Patent number: 5437855
    Abstract: 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.
    Type: Grant
    Filed: March 4, 1994
    Date of Patent: August 1, 1995
    Assignee: Mobil Oil Corp.
    Inventor: Ernest W. Valyocsik
  • Patent number: 5336478
    Abstract: 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:(x)Q.sub.2 O:(y)M.sub.2/n O:(z)L.sub.2 O.sub.3 :100SiO.sub.2wherein Q.sub.2 O is the oxide form of an organic compound, M is an alkali or alkaline earth metal having a valence n, e.g., Na, K, Cs or Li and wherein x=0-2.0, y=0-2.0, z=0-5, and L=Al. Also disclosed are methods of preparing ZSM-22, e.g., with an alkane diamine directing agent, and uses of ZSM-22 as catalysts, e.g., in hydrocarbon conversion reactions.
    Type: Grant
    Filed: August 2, 1993
    Date of Patent: August 9, 1994
    Assignee: Mobil Oil Corp.
    Inventors: Francis G. Dwyer, Ernest W. Valyocsik
  • Patent number: 5254770
    Abstract: 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. to about 1100.degree. F., at about 0 to about 3000 psig, optionally in the presence of hydrogen, and also optionally with the catalyst comprising about 0.005% to about 5.0% of a metal, e.g., platinum, palladium or cobalt, based on total catalyst weight.
    Type: Grant
    Filed: September 19, 1984
    Date of Patent: October 19, 1993
    Assignee: Mobil Oil Corp.
    Inventors: David H. Olson, Ernest W. Valyocsik, R. Bruce Calvert
  • Patent number: 5192728
    Abstract: Group VIII metal modified non-acidic tin containing microporous crystalline materials which in catalysis exhibit high selectivity for dehydrogenation and dehydrocyclization are described.
    Type: Grant
    Filed: October 6, 1989
    Date of Patent: March 9, 1993
    Assignee: Mobil Oil Corporation
    Inventors: Ralph M. Dessau, Ernest W. Valyocsik, James C. Vartuli
  • Patent number: 5192521
    Abstract: 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. hydrocarbon compound, conversion.
    Type: Grant
    Filed: November 19, 1991
    Date of Patent: March 9, 1993
    Assignee: Mobil Oil Corp.
    Inventors: Ahmad Moini, Ernest W. Valyocsik
  • Patent number: 5183790
    Abstract: 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.
    Type: Grant
    Filed: November 8, 1991
    Date of Patent: February 2, 1993
    Assignee: Mobil Oil Corp.
    Inventors: Girish K. Chitnis, Joseph A. Herbst, Ernest W. Valyocsik
  • Patent number: 5137705
    Abstract: 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. hydrocarbon compound, conversion.
    Type: Grant
    Filed: April 8, 1991
    Date of Patent: August 11, 1992
    Assignee: Mobil Oil Corp.
    Inventor: Ernest W. Valyocsik
  • Patent number: 5124497
    Abstract: 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.
    Type: Grant
    Filed: October 11, 1989
    Date of Patent: June 23, 1992
    Assignee: Mobil Oil Corporation
    Inventors: Ralph M. Dessau, Ernest W. Valyocsik, Randall D. Partridge
  • Patent number: 5100596
    Abstract: 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 molecular sieve material. After a layer of the molecular sieve material is crystallized on the forming surface, the layer and the forming surface are recovered from the chemical mixture and the layer is separated from the forming surface.
    Type: Grant
    Filed: March 25, 1991
    Date of Patent: March 31, 1992
    Assignee: Mobil Oil Corp.
    Inventors: Werner O. Haag, John G. Tsikoyiannis, Ernest W. Valyocsik
  • Patent number: 5098555
    Abstract: 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.
    Type: Grant
    Filed: January 24, 1991
    Date of Patent: March 24, 1992
    Assignee: Mobil Oil Corp.
    Inventors: Girish K. Chitnis, Joseph A. Herbst, Ernest W. Valyocsik
  • Patent number: 5075269
    Abstract: 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.
    Type: Grant
    Filed: February 26, 1990
    Date of Patent: December 24, 1991
    Assignee: Mobil Oil Corp.
    Inventors: Thomas F. Degnan, Ernest W. Valyocsik
  • Patent number: 5068096
    Abstract: 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. hydrocarbon compound, conversion.
    Type: Grant
    Filed: April 8, 1991
    Date of Patent: November 26, 1991
    Assignee: Mobil Oil Corporation
    Inventor: Ernest W. Valyocsik
  • Patent number: 5063039
    Abstract: 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 alkali metal cations, organic agent, a source of silicon, a source of non-alkali metal, optionally aluminum, and water. The pillared layered crystalline silicate is also provided.
    Type: Grant
    Filed: November 9, 1989
    Date of Patent: November 5, 1991
    Assignee: Mobil Oil Corp.
    Inventor: Ernest W. Valyocsik