Patents Represented by Attorney Edward F. Kenehan, Jr.

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  • Crystalline oxide material
    Patent number: 5266541
    Abstract: There is provided a crystalline oxide material with a characteristic X-ray diffraction pattern. This material is a layered material, designated MCM-39. This layered material may be swollen, and the swollen material may be pillared.
    Type: Grant
    Filed: December 20, 1991
    Date of Patent: November 30, 1993
    Assignee: Mobil Oil Corp.
    Inventors: Charles T. Kresge, Wieslaw J. Roth
  • Aromatics saturation with catalysts comprising crystalline ultra-large pore oxide materials
    Patent number: 5264641
    Abstract: There is provided a method for hydrogenating aromatics with a catalyst comprising a crystalline ultra-large pore oxide material. The catalyst also comprises a hydrogenation metal, such as palladium. The process may be used to saturate benzene to form cyclohexane.
    Type: Grant
    Filed: December 14, 1992
    Date of Patent: November 23, 1993
    Assignee: Mobil Oil Corp.
    Inventors: William S. Borghard, Cynthia T. Chu, Thomas F. Degnan, Stuart S. Shih
  • Yttrium containing zeolite Y cracking catalyst
    Patent number: 5258341
    Abstract: There is provided a catalyst comprising yttrium containing zeolite Y. The zeolite Y is essentially free of rare earth ions. There is also provided a method for making this catalyst. There is further provided a process for using this catalyst for cracking gas oils. It has been discovered that when yttrium is incorporated into this zeolite Y, and when this catalyst is used to crack gas oils, these results improved gasoline selectivity and reduced dry gas make.
    Type: Grant
    Filed: July 27, 1992
    Date of Patent: November 2, 1993
    Assignee: Mobil Oil Corp.
    Inventors: Girish K. Chitnis, Jocelyn A. Kowalski
  • Process for preparing short chain alkylaromatic compounds
    Patent number: 5258565
    Abstract: Short chain alkyl aromatic compounds are prepared by alkylating an alkylatable aromatic compound with a short chain alkylating agent in the presence of catalyst comprising a synthetic porous MCM-36 material.
    Type: Grant
    Filed: May 4, 1992
    Date of Patent: November 2, 1993
    Assignee: Mobil Oil Corp.
    Inventors: Charles T. Kresge, Quang N. Le, Wieslaw J. Roth, Robert T. Thomson
  • Process for preparing long chain alkylaromatic compounds
    Patent number: 5258566
    Abstract: Long chain alkyl aromatic compounds are prepared by alkylating an alkylatable aromatic compound with a long chain alkylating agent in the presence of catalyst comprising a synthetic porous MCM-36 material.
    Type: Grant
    Filed: May 4, 1992
    Date of Patent: November 2, 1993
    Assignee: Mobil Oil Corp.
    Inventors: Charles T. Kresge, Quang N. Le, Wieslaw J. Roth, Robert T. Thomson
  • Isoparaffin-olefin alkylation process with zeolite MCM-36
    Patent number: 5258569
    Abstract: The alkylation of isoparaffin with olefin to provide alkylate is carried out in the presence of, as catalyst, MCM-36.
    Type: Grant
    Filed: August 13, 1992
    Date of Patent: November 2, 1993
    Assignee: Mobil Oil Corp.
    Inventors: Cynthia T. Chu, Altaf Husain, Albin Huss, Jr., Charles T. Kresge, Wieslaw J. Roth
  • Vacancy titanates intercalated with cationic hydroxy aluminum complexes
    Patent number: 5256617
    Abstract: There is provided a vacancy titanate intercalated with a cationic hydroxy aluminum complex, such as a Keggin ion. A method for making this material and a process for using this material as a catalyst are also provided.
    Type: Grant
    Filed: June 12, 1992
    Date of Patent: October 26, 1993
    Assignee: Mobil Oil Corp.
    Inventor: Ahmad Moini
  • Highly siliceous porous crystalline material and its use in conversion of oxygenates
    Patent number: 5254767
    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 containing an element of Group 5-B (as defined in the Table of the Elements--National Bureau of Standards, Fischer Scientific Co. Catalog No. 5-702-10), e.g., N or P, preferably N, containing at least one alkyl or aryl group having at least 2 carbon atoms, M is an alkali or alkaline earth metal having a valence n, e.g., Na, K, Cs or Li and wherein x=0.01-2.0, y=0-2.0, z=0-5, and L=Al. The zeolite is useful in the process of catalytic conversion of alcohols and/or oxygenates to gasoline-grade hydrocarbons.
    Type: Grant
    Filed: June 22, 1984
    Date of Patent: October 19, 1993
    Assignee: Mobil Oil Corp.
    Inventor: Francis G. Dwyer
  • Isomerization of aromatic compounds over ZSM-22 zeolite
    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
  • Crystalline oxide material
    Patent number: 5250277
    Abstract: There is provided a crystalline oxide material with a characteristic X-ray diffraction pattern. This material may be a layered material, which is swollen or pillared. Upon calcination of the swollen material, the layers collapse and condense upon one another in a somewhat disordered fashion to form a non-swellable material. However, the swollen layered material may be intercalated with polymeric oxide pillars to maintain layer separation, even after calcination.
    Type: Grant
    Filed: December 20, 1991
    Date of Patent: October 5, 1993
    Assignee: Mobil Oil Corp.
    Inventors: Charles T. Kresge, Wieslaw J. Roth, Kenneth G. Simmons, James C. Vartuli
  • Use of amphiphilic compounds to produce novel classes of crystalline oxide materials
    Patent number: 5250282
    Abstract: There is provided a process for using amphiphilic compounds in preparing new classes of crystalline oxide materials. These oxide materials may have uniformly large pores, e.g., having a size of about 40 Angstoms in diameter. This process involves combining sources of oxides with micellar solutions of organic amphiphilic compounds, such as quaternary ammonium cationic surfactants. Aggregates of these micelles in the form of liquid crystals are believed to function as templates for the formation of the present highly porous, crystalline materials.
    Type: Grant
    Filed: October 27, 1992
    Date of Patent: October 5, 1993
    Assignee: Mobil Oil Corp.
    Inventors: Charles T. Kresge, Michael E. Leonowicz, Wieslaw J. Roth, James C. Vartuli
  • Hydrocarbon conversion with ZSM-22 zeolite
    Patent number: 5248841
    Abstract: Alkylated aromatic compounds, either alone or in a mixture with an alkylating agent, are disproportionated, alkylated or transalkylated in the presence of a ZSM-22 zeolite. The products of the reactions contain the amounts of the para-isomer which are in excess of the equilibrium amounts of such isomer.Alternatively, 1,2-disubstituted, 1,3-disubstituted and/or 1,4-disubstituted aromatic compounds are contacted with the ZSM-22 zeolite under cracking conditions to selectively crack the 1,4-disubstituted isomer.
    Type: Grant
    Filed: April 30, 1982
    Date of Patent: September 28, 1993
    Assignee: Mobil Oil Corporation
    Inventor: L. Brewster Young
  • Lubricant range hydrocarbons from light olefins
    Patent number: 5243112
    Abstract: Lower olefins are upgraded to high viscosity index lubricants by converting olefinic feed over a medium pore zeolite catalyst consisting essentially of aluminosilicate HzSM-22 under oligomerization conditions.
    Type: Grant
    Filed: September 16, 1985
    Date of Patent: September 7, 1993
    Assignee: Mobil Oil Corp.
    Inventors: Arthur W. Chester, Francis G. Dwyer, William E. Garwood, James C. Vartuli
  • Catalyst and process for upgrading methane to higher hydrocarbons
    Patent number: 5238898
    Abstract: There is provided a catalyst and a process for the direct partial oxidation of methane with oxygen, whereby hydrocarbons having at least two carbon atoms are produced. The catalyst used in this reaction is a spinel oxide, such as MgMn.sub.2 O.sub.4 or CaMn.sub.2 O.sub.4, modified with an alkali metal, such as Li or Na.
    Type: Grant
    Filed: August 26, 1992
    Date of Patent: August 24, 1993
    Assignee: Mobil Oil Corp.
    Inventors: Scott Han, Lorenzo C. DeCaul, Robert E. Palermo, Dennis E. Walsh
  • Layered silicate
    Patent number: 5236681
    Abstract: There is provided a method for synthesizing layered silicates such as magadiite and kenyaite. The source of silica used in this method is freshly precipitated from a silicate solution. For example, this silica source may be obtained by treating an aqueous solution of sodium silicate with sulfuric acid to form an amorphous silica precipitate. This silica precipitate is not dried to reduce its activity prior to use.
    Type: Grant
    Filed: November 30, 1989
    Date of Patent: August 17, 1993
    Assignee: Mobil Oil Corp.
    Inventors: Pochen Chu, Garry W. Kirker, Sowmithri Krishnamurthy, James C. Vartuli
  • Catalyst comprising a hydrogenation metal and a delaminated layered silicate
    Patent number: 5236882
    Abstract: There is provided a catalyst comprising at least one hydrogenation metal, such as Ni and Mo, supported on a delaminated layered silicate, such as kenyaite, which has been swollen and calcined. There is also provided a method for making this catalyst. There is further provided a process for using this catalyst to demetalize a petroleum feedstock, such as a gas oil.
    Type: Grant
    Filed: March 9, 1992
    Date of Patent: August 17, 1993
    Assignee: Mobil Oil Corp.
    Inventors: Stuart S. Shih, James C. Vartuli
  • Process for the hydration of olefins
    Patent number: 5231233
    Abstract: There is provided a process for converting light olefin to alcohol(s), ether(s) or mixtures of alcohol(s) and ether(s) which comprises contacting a feed containing at least one light olefin with water in the vapor and/or liquid phase under olefin hydration conditions in the presence of MCM-36 as olefin hydration catalyst to produce said alcohol(s) and/or ether(s).
    Type: Grant
    Filed: May 4, 1992
    Date of Patent: July 27, 1993
    Assignee: Mobil Oil Corp.
    Inventors: Quang N. Le, Grant H. Yokomizo
  • Process for preparing ethers
    Patent number: 5231235
    Abstract: Olefin is etherified with alcohol to provide an ether or mixture of ethers employing a catalyst comprising MCM-36.
    Type: Grant
    Filed: June 1, 1992
    Date of Patent: July 27, 1993
    Assignee: Mobil Oil Corp.
    Inventors: Charles T. Kresge, Quang N. Le, Wieslaw J. Roth, Robert T. Thomson, Grant H. Yokomizo
  • Crystalline oxide material
    Patent number: 5229341
    Abstract: There is provided a pillared, layered crystalline oxide material and a method for making this material. This material may be prepared by intercepting a swellable layered oxide before calcination. The intercepted material is swollen and pillared. If the material is not intercepted in this manner, it is transformed into a zeolite by calcination. The pillared material may have a large degree of catalytic activity, and it may have rather porous layers.
    Type: Grant
    Filed: December 20, 1991
    Date of Patent: July 20, 1993
    Assignee: Mobil Oil Corp.
    Inventors: Charles T. Kresge, Wieslaw J. Roth, Kenneth G. Simmons, James C. Vartuli
  • Synthesis of mesoporous aluminosilicate
    Patent number: 5215737
    Abstract: There is provided a method for synthesizing a new synthetic composition of ultra-large pore crystalline material which can be used as a sorbent or catalyst component for conversion of organic and inorganic compounds. The crystalline material product of this method exhibits unusually large sorption capacity demonstrated by its benzene adsorption capacity of greater than about 15 grams benzene/100 grams at 50 torr and 25.degree. C. This material may have a hexagonal electron diffraction pattern that can be indexed with a d.sub.100 value greater than about 18 Angstrom Units and a hexagonal arrangement of uniformly sized pores with a maximum perpendicular cross section of a least about 13 Angstrom units. The reaction mixture for preparing this material contains silica-alumina hydrogel.
    Type: Grant
    Filed: February 27, 1992
    Date of Patent: June 1, 1993
    Assignee: Mobil Oil Corp.
    Inventors: Cynthia T. Chu, Charles T. Kresge, Kenneth G. Simmons