Patents Represented by Attorney Wallace L. Oliver

Find this attorney in the Justia Lawyer Directory

  • Catalyst system
    Patent number: 4207206
    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: September 29, 1978
    Date of Patent: June 10, 1980
    Assignee: Standard Oil Company (Indiana)
    Inventor: Nikolaous K. Balint
  • Branched polyphenylene-polyphenylene sulfide blends
    Patent number: 4202951
    Abstract: Physical blends of branched polyphenylene and polyphenylene sulfide exhibit superior flexural strength and flexural modulus properties after high-temperature aging to either component alone.
    Type: Grant
    Filed: September 18, 1978
    Date of Patent: May 13, 1980
    Assignee: Standard Oil Company of Indiana
    Inventors: Chen-Shen Wang, Sandra K. Koster
  • Polymerization process
    Patent number: 4189556
    Abstract: In an alpha-olefin polymerization process using a transition metal halide-aluminum alkyl catalyst system, addition of minor, effective amounts of aromatic amines or amine N-oxides substituted with electron withdrawing groups decreases the amount of low molecular weight or amorphous polymer produced.
    Type: Grant
    Filed: June 16, 1976
    Date of Patent: February 19, 1980
    Assignee: Standard Oil Company (Indiana)
    Inventors: Nicholas M. Karayannis, Sam S. Lee
  • Method for converting polymer powder to pellets
    Patent number: 4189458
    Abstract: Thermoplastic polymer particles are converted to pellets by depositing the powder onto a moving platform, melting the particles and transferring the melted polymer to a pelletizer.
    Type: Grant
    Filed: December 29, 1977
    Date of Patent: February 19, 1980
    Assignee: Standard Oil Company a corporation of Indiana
    Inventor: James L. Jezl
  • Vinyl aromatic polymerization process
    Patent number: 4187261
    Abstract: Limiting final conversion of monomer to polymer in a multiple stage, vinyl aromatic-rubber mass polymerization system to about 50 to about 89 percent produces a polymer with increased impact strength and decreases residence time, thereby increasing the production capacity of the system.
    Type: Grant
    Filed: May 23, 1978
    Date of Patent: February 5, 1980
    Assignee: Standard Oil Company (Indiana)
    Inventor: Francis J. Slama
  • Recovery process for branched polyphenylene
    Patent number: 4178435
    Abstract: An improved method for separating branched polyphenylene from a polymerization reaction mixture is disclosed which improves polymer properties. The contents of a high pressure polymerization reactor are discharged into one or more devolatilizing units which draw off and recycle low molecular weight unreacted species and separate high molecular weight branched polyphenylene.
    Type: Grant
    Filed: December 29, 1977
    Date of Patent: December 11, 1979
    Assignee: Standard Oil Company (Indiana)
    Inventors: Liong S. Tee, John C. Reindl
  • Asbestos-free tape sealant
    Patent number: 4176097
    Abstract: An asbestos-free sealant composition comprises cotton fiber, amorphous polypropylene and butyl rubber incorporated into a base stock comprising an inorganic filler and a suitable binder.
    Type: Grant
    Filed: April 25, 1978
    Date of Patent: November 27, 1979
    Assignee: Standard Oil Company (Indiana)
    Inventors: Roy A. Fox, Bradford T. Mortimer
  • Catalyst system
    Patent number: 4171284
    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: February 27, 1978
    Date of Patent: October 16, 1979
    Assignee: Standard Oil Company (Indiana)
    Inventor: Nikolaus K. Balint
  • Diisocyanate-modified polyesters as hot melt adhesives and coatings
    Patent number: 4166873
    Abstract: Diisocyanate-modified polyesters formed by heating 100 parts of a polyester with about 2 to 10 parts of a diisocyante to above about 260.degree. C. are useful as superior hot melt adhesives and as durable coatings.
    Type: Grant
    Filed: October 7, 1977
    Date of Patent: September 4, 1979
    Assignee: Standard Oil Company (Indiana)
    Inventors: Kenneth D. Gilliam, Edward E. Paschke
  • Flame resistant, heat insulative foamed polyphenylenes
    Patent number: 4152494
    Abstract: A low density, flame-resistant foamed composition is formed by heating a thorough mixture of branched polyphenylene and an inorganic fiber to above about 800.degree. F.
    Type: Grant
    Filed: December 29, 1977
    Date of Patent: May 1, 1979
    Assignee: Standard Oil Company (Indiana)
    Inventor: Chen-Shen Wang
  • Viscosity index improvers
    Patent number: 4136047
    Abstract: Block copolymers containing styrene, alpha-methylstyrene, 3,4-dimethyl-alpha-methylstyrene and lauryl methacrylate are useful as viscosity index improvers in lubricating oils.
    Type: Grant
    Filed: November 8, 1977
    Date of Patent: January 23, 1979
    Assignee: Standard Oil Company (Indiana)
    Inventors: John B. Rogan, Steven A. White
  • Elimination of fibrous polymers
    Patent number: 4081589
    Abstract: Adding a finely divided oxide to a terminal olefin polymerization catalyst comprising a hydrocarbon-soluble transition metal compound and a Group II or III metal organic compound reduces the amount of fibrous polymer produced.
    Type: Grant
    Filed: December 20, 1976
    Date of Patent: March 28, 1978
    Assignee: The Standard Oil Company
    Inventors: Edwin F. Peters, David E. Boone
  • Branched polyphenylene-mica composites
    Patent number: 4066604
    Abstract: A composite formed at relatively low temperature from branched polyphenylene and mica exhibits excellent mechanical properties after heat aging.
    Type: Grant
    Filed: October 28, 1976
    Date of Patent: January 3, 1978
    Assignee: Standard Oil Company (Indiana)
    Inventor: Chen-Shen Wang
  • Process for forming branched nitropolyphenylene
    Patent number: 4059719
    Abstract: Solid aromatic polymers, such as branched polyphenylenes, are reacted with a reactive gas such as a NO.sub.2 -N.sub.2 O.sub.4 mixture, chlorine and sulfur trioxide without solvent or catalyst. The extent of reaction depends on reaction time and temperature and on the concentration of the reactive gas.
    Type: Grant
    Filed: April 29, 1976
    Date of Patent: November 22, 1977
    Assignee: Standard Oil Company (Indiana)
    Inventors: Eli W. Blaha, Sandra K. Koster, Chen-Shen Wang
  • Additives for improved polyester and vinyl polymer compositions
    Patent number: 4053681
    Abstract: A reactive additive is disclosed to improve flexibility and toughness in polyester and vinyl aromatic polymeric compositions. The additive is formed as the reaction product of a polyfunctional acid or anhydride, a glycol, an unsaturated acid and a mono alcohol.
    Type: Grant
    Filed: February 26, 1976
    Date of Patent: October 11, 1977
    Assignee: Standard Oil Company (Indiana)
    Inventor: Harold R. Edwards, Jr.
  • Binder composition for adhesives and sealants
    Patent number: 4042555
    Abstract: A binder composition useful in solventless, solvent based and water emulsifiable sealants and adhesives comprises poly(alpha-methylstyrene), polybutene and a polystyrene/elastomer block copolymer.
    Type: Grant
    Filed: May 12, 1975
    Date of Patent: August 16, 1977
    Assignee: Standard Oil Company (Indiana)
    Inventors: Victor V. Raimondi, Roy A. Fox, Casey E. Piorkowski
  • Polyamide-imides prepared from 4-carboxy-phthalimide aliphatic carboxylic acids
    Patent number: 4041065
    Abstract: Amide-imide type polymers containing amide derivatives of 4-carboxy-phthalimide aliphatic carboxylic acids are useful as wire coatings and in film and molding applications.
    Type: Grant
    Filed: January 24, 1975
    Date of Patent: August 9, 1977
    Assignee: Standard Oil Company (Indiana)
    Inventors: Steven E. Lindberg, Kerford A. Marchant, Jr., Richard E. Van Strien
  • Oil fracturing spacing agents
    Patent number: 3998744
    Abstract: Oil-soluble spacing agents for use in fracturing underground oil or gas formations comprising polymerized dimethyl-alpha-methylstyrenes.
    Type: Grant
    Filed: April 16, 1975
    Date of Patent: December 21, 1976
    Assignee: Standard Oil Company
    Inventors: Vernon W. Arnold, Robert J. Lee
  • Inhibition of liquid and vapor transmission through plastic-substrate seals
    Patent number: 3992224
    Abstract: Powder coating a substrate with a polyolefin or preferably a polyolefin-polycarbonamide blend before contacting the substrate with a plastic resin creating a plastic-substrate seal, inhibits liquid and vapor transmission through the seal. The application of this invention to battery terminal bushings prevents unsightly corrosion about the battery terminal which is caused by "wicking" of battery acid.
    Type: Grant
    Filed: November 29, 1974
    Date of Patent: November 16, 1976
    Assignee: Standard Oil Company (Indiana)
    Inventors: Ivor R. Fielding, Wassily Poppe, Michael M. Schwartz, James P. Whelan
  • Rubbermodified styrene polymers
    Patent number: 3989771
    Abstract: Addition of very small amounts of bromine or bromine-containing compounds in the preparation of rubber-modified vinyl aromatic polymers increase their impact resistance.
    Type: Grant
    Filed: April 30, 1975
    Date of Patent: November 2, 1976
    Assignee: Standard Oil Company (Indiana)
    Inventors: Robert A. Reith, James Spanswick