Patents Represented by Attorney Wallace L. Oliver

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  • Olefin polymerization catalyst
    Patent number: 4400494
    Abstract: A propylene polymerization catalyst comprises (a) a titanium-containing component formed by reducing titanium tetrachloride with an aluminum alkyl, optionally contacting the resulting reduced solid with a pretreatment amount of alpha-olefin monomer under polymerization conditions, and reacting the resulting product with a Lewis base complexing agent and additional titanium tetrachloride, and (b) an alkyl aluminum halide having a halogen/aluminum atomic ratio between 0.89 and 0.98 and preferably between 0.92 and 0.98.
    Type: Grant
    Filed: August 28, 1981
    Date of Patent: August 23, 1983
    Assignee: Standard Oil Company (Indiana)
    Inventors: Gregory G. Arzoumanidis, Benjamin S. Tovrog
  • Modification of hydrocarbon conversion processes over crystalline borosilicate catalysts by addition of an alcohol or ether
    Patent number: 4400573
    Abstract: Incorporation of above about 50 ppm alcohol or ether into feed of a hydrocarbon conversion process using an AMS-1B crystalline borosilicate-based catalyst alters the product distribution produced in such process.
    Type: Grant
    Filed: August 2, 1982
    Date of Patent: August 23, 1983
    Assignee: Standard Oil Company (Indiana)
    Inventors: Raymond C. Feld, Allen I. Feinstein
  • Synthetic cristobalite
    Patent number: 4395388
    Abstract: A method for preparing synthetic cristobalite comprises (1) preparing a mixture containing sources for an oxide of silicon and for an oxide of boron, a base of an alkali or alkaline earth metal or precursor of such base, a polyhydric alcohol, and water; and (2) maintaining the mixture at suitable reaction conditions to effect formulation of the cristobalite, said reaction conditions comprising a reaction temperature within the range of about 30.degree. C. to about 300.degree. C., a pressure of at least the vapor pressure of water at the reaction temperature, and a reaction time that is sufficient to effect crystallization.
    Type: Grant
    Filed: November 16, 1981
    Date of Patent: July 26, 1983
    Assignee: Standard Oil Company (Indiana)
    Inventor: James A. Kaduk
  • Synthesis of molecular sieves using 2-aminopyridine as a template
    Patent number: 4390457
    Abstract: Crystalline aluminosilicate molecular sieves are formed by (1) forming an aqueous mixture of an oxide of aluminum, an oxide of silicon, a metal or ammonium cation and 2-aminopyridine organic template compound, (2) maintaining the pH of such mixture between about 9 and 13.5, and (3) crystallizing the mixture.
    Type: Grant
    Filed: September 28, 1981
    Date of Patent: June 28, 1983
    Assignee: Standard Oil Company (Indiana)
    Inventor: Marvin R. Klotz
  • Synthesis of crystalline aluminosilicate molecular sieves
    Patent number: 4377502
    Abstract: Crystalline aluminosilicate molecular sieves are prepared by (1) forming an aqueous mixture of an oxide of aluminum, an oxide of silicon, a metal or ammonium cation and a suitable oxygen-containing monomeric organic template compound, (2) maintaining the pH of such mixture between 9 and 14, and (3) crystallizing the mixture. The organic templates include ethanolamine, diethanolamine, triethanolamine, ethylethanolamine, ethyldiethanolamine, 2-amino-2-ethyl-1,3-propanediol, morpholine, and alkali metal complexed tetrahydrofuran, dioxane, dioxolane, and crown ethers. Crystalline aluminosilicates prepared include mordenite, ferrierite, ZSM-4, and ZSM-5.
    Type: Grant
    Filed: December 19, 1980
    Date of Patent: March 22, 1983
    Assignee: Standard Oil Company (Indiana)
    Inventor: Marvin R. Klotz
  • Catalyst system
    Patent number: 4370457
    Abstract: A propylene polymerization catalyst is formed by incorporation into a catalytic mixture, comprising a transition metal compound and an organoaluminum compound, effective amounts of hexavalent sulfur mineral acid or anhydride whereby the amount of n-hexane-soluble polymeric product is decreased.
    Type: Grant
    Filed: December 12, 1980
    Date of Patent: January 25, 1983
    Assignee: Standard Oil Company (Indiana)
    Inventor: Nikolaous K. Balint
  • Method to adhere acrylic films to styrenic polymers
    Patent number: 4350742
    Abstract: A laminate is formed, without an adhesive, between an acrylic polymer film and a styrene polymer containing minor amounts of an .alpha.,.beta.-unsaturated carboxylic acid.
    Type: Grant
    Filed: September 18, 1980
    Date of Patent: September 21, 1982
    Assignee: Standard Oil Company (Indiana)
    Inventors: Richard A. Hall, Edward J. Bernier, Jr.
  • Gas phase olefin polymerization recycle gas scrubbing tower
    Patent number: 4337069
    Abstract: In an apparatus, such as a liquid-gas condensation tower, in which a liquid phase is withdrawn rapidly through an exit port from a chamber, an improvement which assures complete agitation throughout the liquid phase comprises a regular array of liquid agitation devices positioned within the liquid and above a cone-shaped vortex breaker structure which is placed above the exit port.
    Type: Grant
    Filed: April 25, 1980
    Date of Patent: June 29, 1982
    Assignee: Standard Oil Company (Indiana)
    Inventors: Paul M. German, Jr., James A. Lamont, John C. Gee
  • Catalyst system
    Patent number: 4330431
    Abstract: A propylene polymerization catalyst is formed by incorporation into a catalytic mixture, comprising a transition metal compound and an organoaluminum compound, effective amounts of hydrohalic mineral acids whereby the amount of n-hexane-soluble polymeric product is decreased.
    Type: Grant
    Filed: March 6, 1980
    Date of Patent: May 18, 1982
    Assignee: Standard Oil Company (Indiana)
    Inventor: Nikolaous K. Balint
  • Method for emergency shutdown of gas phase polyolefin reactor
    Patent number: 4326048
    Abstract: In a gas phase olefin polymerization using a transition metal compound/aluminum alkyl catalyst system, polymerization can be terminated rapidly by injecting an amount of carbon oxide and then restarting efficiently by addition of an amount of aluminum alkyl.
    Type: Grant
    Filed: May 27, 1980
    Date of Patent: April 20, 1982
    Assignee: Standard Oil Company (Indiana)
    Inventors: Jack F. Stevens, Kwok-fu Lee, Philip M. Rose, David R. Kreider, Chi-Hung Lin
  • Olefin polymerization catalyst
    Patent number: 4324693
    Abstract: In a method to produce an alpha-olefin polymerization catalyst comprising reducing titanium tetrachloride with an aluminum alkyl, contacting the resulting reduced solid with a pretreatment amount of alpha-olefin monomer under polymerization conditions and reacting the resulting product with a Lewis base complexing agent and additional titanium tetrachloride, the improvement comprising reacting the Lewis base complexing agent in a molar ratio to the reduced titanium compound of greater than 1.15 to 1.
    Type: Grant
    Filed: October 10, 1980
    Date of Patent: April 13, 1982
    Assignee: Standard Oil Company (Indiana)
    Inventors: Gregory G. Arzoumanidis, Sam S. Lee
  • Synthesis of molecular sieves using beta-diketones as organic templates
    Patent number: 4323481
    Abstract: A ferrierite crystalline aluminosilicate is prepared by (1) forming an aqueous mixture of an oxide of aluminum, an oxide of silicon, a metal cation and a beta-diketone as a template compound, (2) maintaining the pH of such mixture between 9 and 14, and (3) crystallizing the mixture.
    Type: Grant
    Filed: February 26, 1981
    Date of Patent: April 6, 1982
    Assignee: Standard Oil Company (Indiana)
    Inventor: James A. Kaduk
  • Process for reducing polyolefin die smoke
    Patent number: 4314053
    Abstract: Polyolefin polymer powder containing active catalyst residues is deactivated by (1) purging with an inert gas containing water vapor and (2) then contacting such powder with a gas mixture containing an inert gas, water vapor, and a third component selected from the group consisting of oxygen, carbon monoxide, carbon dioxide, C.sub.1 -C.sub.4 alcohols and C.sub.2 -C.sub.4 alkeneoxides.
    Type: Grant
    Filed: May 8, 1980
    Date of Patent: February 2, 1982
    Assignee: Standard Oil Company (Indiana)
    Inventors: Chi-Hung Lin, Linus K. Leung
  • Process for obtaining narrow molecular weight distribution in vinyl aromatic mass polymerization system
    Patent number: 4308360
    Abstract: In a process for the mass polymerization of vinyl aromatic monomer wherein vinyl aromatic monomer is polymerized in successive stages of increasing temperature, the improvement which narrows the molecular weight distribution of the resulting polymer comprising incorporating a crosslinking agent into a polymerizing mass at a point where about 60 to about 95% of monomer is converted to polymer.
    Type: Grant
    Filed: September 15, 1980
    Date of Patent: December 29, 1981
    Assignee: Standard Oil Company (Indiana)
    Inventor: Richard A. Hall
  • Polymerization process
    Patent number: 4258168
    Abstract: In an alpha-olefin polymerization process using a transition metal halide-aluminum alkyl catalyst system, addition of minor, effective amounts of alkyl orthoformates, thiophosphates and borates decreases the amount of low molecular weight or amorphous polymer produced.
    Type: Grant
    Filed: June 16, 1976
    Date of Patent: March 24, 1981
    Assignee: Standard Oil Company (Indiana)
    Inventors: Nicholas M. Karayannis, Sam S. Lee
  • Polymerization process
    Patent number: 4256866
    Abstract: In an alpha-olefin polymerization process using a transition metal halide-aluminum alkyl catalyst system, addition of minor, effective amounts of a sterically hindered 5- or 6-membered cyclic ether decreases the amount of low molecular weight or amorphous polymer produced.
    Type: Grant
    Filed: June 16, 1976
    Date of Patent: March 17, 1981
    Assignee: Standard Oil Company (Indiana)
    Inventors: Nicholas M. Karayannis, Sam S. Lee
  • Group Va and VII oxygen mineral acids as catalyst modifiers
    Patent number: 4238586
    Abstract: A propylene polymerization catalyst is formed by incorporation into a catalytic mixture, comprising a transition metal compound and an organoaluminum compound, effective amounts of Group Va or Group VII oxygen mineral acids whereby the amount of n-hexane-soluble polymeric product is decreased.
    Type: Grant
    Filed: May 3, 1979
    Date of Patent: December 9, 1980
    Assignee: Standard Oil Company (Indiana)
    Inventor: Nikolaous K. Balint
  • Catalyst system
    Patent number: RE31187
    Abstract: A propylene polymerization catalyst is formed by incorporation into a catalytic mixture, comprising a transition metal compound and an organoaluminum compound, effective amounts of Group Va or Group VII oxygen mineral acids whereby the amount of n-hexane-soluble polymeric product is decreased.
    Type: Grant
    Filed: June 8, 1981
    Date of Patent: March 22, 1983
    Assignee: Standard Oil Company (Indiana)
    Inventor: Nikolaous K. Balint
  • Catalyst system
    Patent number: RE31243
    Abstract: A propylene polymerization catalyst is formed by incorporation into a catalytic mixture, comprising a transition metal compound and an organoaluminum compound, effective amounts of hexavalent sulfur mineral acid or anhydride whereby the amount of n-hexane-soluble polymeric product is decreased.
    Type: Grant
    Filed: November 25, 1981
    Date of Patent: May 17, 1983
    Assignee: Standard Oil Company (Indiana)
    Inventor: Nikolaus K. Balint
  • Group Va and VII oxygen mineral acids as catalyst modifiers
    Patent number: RE31331
    Abstract: A propylene polymerization catalyst is formed by incorporation into a catalytic mixture, comprising a transition metal compound and an organoaluminum compound, effective amounts of Group Va or Group VII oxygen mineral acids whereby the amount of n-hexane-soluble polymeric product is decreased.
    Type: Grant
    Filed: June 8, 1981
    Date of Patent: August 2, 1983
    Assignee: Standard Oil Company (Indiana)
    Inventor: Nikolaous K. Balint