Patents Represented by Attorney Herbert D. Knudsen

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  • Polymer systems plasticized with hydroxy fatty acids
    Patent number: 4289668
    Abstract: A plasticized resin system is described, and the system comprises an intimate mixture of(a) an interpolymer derived from at least one vinyl monomer and an .alpha.,.beta.- unsaturated dicarboxylic acid, anhydride or the lower alkyl esters thereof, and(b) a plasticizing amount of a hydroxy substituted fatty acid containing at least about eight carbon atoms.The plasticized resin system also may contain at least one additional polar resin such as polycarbonates, polysulfones, polyesters, etc. The use of the hydroxy substituted fatty acid in this manner improves the processability of the interpolymers.
    Type: Grant
    Filed: October 14, 1980
    Date of Patent: September 15, 1981
    Assignee: The Standard Oil Company
    Inventor: George S. Li
  • Supported catalysts for the polymerization of alpha-olefins
    Patent number: 4289651
    Abstract: This invention relates to a new supported catalyst and to the use of this catalyst in a process for the polymerization of alpha-olefins. The catalyst comprises a transition metal complex supported on a planar organosilicon polymer which has been derived from at least one of chrysotile and apophyllite. The support is prepared by the leaching of the metal ions from the mineral and substitution of some of the silanol groups with alkyl silyl groups. Particularly active catalysts can be prepared by treating the planar organosilicon polymer with silicon tetrachloride prior to contacting the polymer with a transition metal complex.
    Type: Grant
    Filed: December 20, 1979
    Date of Patent: September 15, 1981
    Assignee: The Standard Oil Company
    Inventors: Kenneth C. Benton, James R. Mooney, Raymond J. Weinert, Jr.
  • Portable pH meter for effluents having a self-cleaning electrode chamber
    Patent number: 4285792
    Abstract: A self-cleaning apparatus (10) for the monitoring of pH in an effluent process stream (17) includes a sump pump (16) for sampling the effluent process stream (17), a housing (12) for supporting a pH electrode (13), and a cleansing assembly (15) for automatically cleansing the pH electrode (13) entirely powered by the impingement of the fluid process stream (17) upon the cleansing assembly (15). The housing (12) includes an electrode chamber (14) into which the pH electrode (13) extends. The electrode chamber (14) receives the effluent process stream (17) sample from the sump pump (16) and is also automatically, continuously cleansed by the cleansing assembly (15).
    Type: Grant
    Filed: July 30, 1980
    Date of Patent: August 25, 1981
    Assignee: Standard Oil Company (Ohio)
    Inventor: Edward L. McGandy
  • Alkylation of aromatic hydrocarbons in the presence of coated zeolite catalysts
    Patent number: 4283583
    Abstract: Aromatic hydrocarbons, e.g., benzene and analogs thereof, are converted by alkylation to the corresponding alkyl aromatics by contacting the mononuclear aromatic hydrocarbon with an alkylating agent in the presence of a coated zeolite catalyst. This coated catalyst consists of an essentially inert base support having a strongly adherent outer coating containing an active catalytic zeolite material.
    Type: Grant
    Filed: June 29, 1979
    Date of Patent: August 11, 1981
    Assignee: The Standard Oil Company
    Inventors: Louis J. Velenyi, Serge R. Dolhyj
  • Process for polymerization of composition comprising (1) alpha,beta-unsaturated monocarboxylic acid or ammonium salt thereof and (2) ammonia
    Patent number: 4283524
    Abstract: Polymers containing amide linkages can be formed in good yields by the dehydrative addition polymerization of alpha, beta-unsaturated monocarboxylic acids or the ammonium salts thereof. These polymers are suitable for use as fibers, plastics, films and molding resins.
    Type: Grant
    Filed: April 23, 1979
    Date of Patent: August 11, 1981
    Assignee: The Standard Oil Company
    Inventor: Janice L. Greene
  • Die assembly providing uniform pressure and flow
    Patent number: 4281981
    Abstract: A die assembly of the present invention for extrudable materials includes a first member providing an external wall of a continuous cavity for passage of the extrudable material, a second member providing the internal wall of the cavity, a bushing for directing the flow of extrudable material within the cavity in one axial direction, a distributor interposed within the cavity, providing a restricted space therein for passage of the extrudable material, and a channel formed between the bushing and distributor through which the extrudable material flows axially and peripherally. The die assembly of the present invention can be modified for the coextrusion of two or more layers.
    Type: Grant
    Filed: February 25, 1980
    Date of Patent: August 4, 1981
    Assignee: Standard Oil Company (Ohio)
    Inventor: Daniel W. Feldman
  • Attrition resistant-higher active component fluid bed catalysts
    Patent number: 4280929
    Abstract: A method for preparing attrition resistant, high percentage active component catalysts comprises using two types of silica, one of which is fumed silica, in a two stage catalyst preparation.
    Type: Grant
    Filed: September 17, 1979
    Date of Patent: July 28, 1981
    Assignee: Standard Oil Company
    Inventors: Wilfrid G. Shaw, Christos Paparizos, James L. Callahan
  • Metal complex catalysts
    Patent number: 4279829
    Abstract: Hydroperoxides are catalytically decomposed using a novel metal complex of the formula: ##STR1## wherein M is a positively charged metal or metal compound;Z is S, O, P, S--P, or S--S;L is C, P, or N; andA is selected from the group consisting of halogens; hydrogen; N--R wherein R is selected from the group consisting of H, C.sub.1-30 alkyls and 4 to 8 membered aryls optionally substituted with one or more C.sub.1-20 alkyls and C.sub.1-20 alkoxys; and hydrocarbon groups containing up to 30 carbon atoms optionally substituted with halogen atoms, C.sub.1-12 hydroxy groups, C.sub.1-12 acid groups, C.sub.1-12 aldehyde groups, C.sub.1-12 ketone groups, and C.sub.1-10 nitrile groups; andwhereinn is 1 or 2; andb is 1, 2 or 3.These catalysts are especially effective in decomposing either cumene hydroperoxide or cyclohexylbenzene hydroperoxide to phenol.
    Type: Grant
    Filed: October 31, 1979
    Date of Patent: July 21, 1981
    Assignee: The Standard Oil Company
    Inventors: Louis J. Velenyi, Christos Paparizos, Serge R. Dolhyj
  • Molybdenum-copper-tin catalysts
    Patent number: 4279777
    Abstract: Dehydrogenatable hydrocarbons are dehydrogenated by contacting them at dehydrogenation conditions in the presence of a complex oxide catalyst comprising molybdenum, copper and tin and at least one element selected from the group consisting of Li, Na, K, Rb, Cs, Mg, Ca, Sr, Ba, La, Ce, Th and U. For example, an alkyl aromatic hydrocarbon, e.g. ethylbenzene, can be dehydrogenated to an alkenyl aromatic hydrocarbon, e.g. styrene, in the presence of an oxide complex catalyst comprising molybdenum, copper, tin and at least one element selected from the group consisting of K, Cs, Ba, Mg and Ca.
    Type: Grant
    Filed: December 10, 1979
    Date of Patent: July 21, 1981
    Assignee: The Standard Oil Company
    Inventors: Louis J. Velenyi, Andrew S. Krupa
  • Catalysts for the hydroformylation of olefinically unsaturated compounds
    Patent number: 4271038
    Abstract: This invention relates to the production of aldehydes by the addition of carbon monoxide and hydrogen to olefinically unsaturated compounds in the presence of a complex catalyst comprising cobalt carbonyl and a porphyrin promoter ligand. This process can be carried out under relatively mild conditions of temperature and pressure.
    Type: Grant
    Filed: December 17, 1979
    Date of Patent: June 2, 1981
    Assignee: Standard Oil Company
    Inventors: Frederick A. Pesa, Thomas A. Haase
  • Vapor phase catalytic oxidation and/or ammoxidation of cyclohexanone and/or cyclohexanol to phenol and/or aniline
    Patent number: 4271091
    Abstract: Cyclohexanone and/or cyclohexanol can be oxidized in the vapor phase to phenol by contacting the cyclohexanone and/or cyclohexanol with a suitable oxidation catalyst in the presence of molecular oxygen. Suitable catalysts are solids comprising Mo, W, Sb and/or V oxides or complexes thereof. The catalysts may be promoted with additional elements.
    Type: Grant
    Filed: June 17, 1978
    Date of Patent: June 2, 1981
    Assignee: Standard Oil Company
    Inventors: Robert K. Grasselli, Dev D. Suresh
  • Acrylonitrile purification by extractive distillation
    Patent number: 4269667
    Abstract: A method for purifying acrylonitrile resulting in capital and operating cost savings consists of distilling a solution of acrylonitrile and impurities in a distillation column under vacuum, and removing the purified acrylonitrile as a vaporous sidestream from the column.
    Type: Grant
    Filed: August 2, 1979
    Date of Patent: May 26, 1981
    Assignee: Standard Oil Company
    Inventor: Norris J. Landis
  • Recovery of acrylic acid by reversal of acrylic acid/water relative volatility
    Patent number: 4269666
    Abstract: An aqueous solution of acrylic acid and water containing 30 wt. % or less acrylic acid, can be concentrated to 40-60 wt. % acrylic acid in the overhead of a distillation column through the addition of certain salts that reverse the relative volatility between acrylic acid and water. Suitable salts can be ferrous, lithium and calcium chlorides.
    Type: Grant
    Filed: January 24, 1979
    Date of Patent: May 26, 1981
    Assignee: Standard Oil Company
    Inventor: Carl G. Wysocki
  • Addition of chlorine compound to Ziegler polymerization process
    Patent number: 4267292
    Abstract: A process for polymerizing alpha-olefins in the presence of a Ziegler-type catalyst wherein at least one of dichloroethane, dichloropropane and chlorine gas is added to the process after the polymerization has been initiated. This invention is especially useful when the olefin is propylene and the catalyst is a titanium trichloride complex.
    Type: Grant
    Filed: December 26, 1979
    Date of Patent: May 12, 1981
    Assignee: The Standard Oil Company
    Inventors: Kenneth C. Benton, James F. White, Curtis E. Uebele, Raymond J. Weinert, Jr.
  • Shale oil recovery
    Patent number: 4265307
    Abstract: In situ shale oil recovery from oil shale deposits using radio frequency energy as a heat generator is facilitated by rubblizing the shale oil deposits before application of radio frequency energy.
    Type: Grant
    Filed: December 20, 1978
    Date of Patent: May 5, 1981
    Assignee: Standard Oil Company
    Inventor: Lincoln F. Elkins
  • Catalyst for the production of pyrrolidone
    Patent number: 4263175
    Abstract: Five-membered nitrogen-containing saturated heterocyclic compounds, e.g. pyrrolidone, can be prepared by the catalytic hydrogenation/amination of a five-membered heterocyclic anhydride or the corresponding acid. This reaction proceeds with high yields and selectivities when it is conducted in the presence of complex catalysts containing ruthenium.
    Type: Grant
    Filed: March 10, 1980
    Date of Patent: April 21, 1981
    Assignee: Standard Oil Company
    Inventors: Frederick A. Pesa, Anne M. Graham
  • Decomposition of hydroperoxides using metal complex catalysts
    Patent number: 4262153
    Abstract: Hydroperoxides are catalytically decomposed using a novel metal complex of the formula: ##STR1## wherein M is a positively charged metal or metal compound;Z is S, O, P, S-P, or S-S;L is C, P, or N; andA is selected from the group consisting of halogens; hydrogen; N-R wherein R is selected from the group consisting of H, C.sub.1-30 alkyls and 4 to 8 membered aryls optionally substituted with one or more C.sub.1-20 alkyls and C.sub.1-20 alkoxys; and hydrocarbon groups containing up to 30 carbon atoms optionally substituted with halogen atoms, C.sub.1-12 hydroxy groups, C.sub.1-12 acid groups, C.sub.1-12 aldehyde groups, C.sub.1-12 ketone groups, and C.sub.1-10 nitrile groups; andwhereinn is 1 or 2; andb is 1, 2 or 3.These catalysts are especially effective in decomposing either cumene hydroperoxide or cyclohexylbenzene hydroperoxide to phenol.
    Type: Grant
    Filed: December 26, 1978
    Date of Patent: April 14, 1981
    Assignee: The Standard Oil Company
    Inventors: Louis J. Velenyi, Christos Paparizos, Serge R. Dolhyj
  • Liquid phase process for the manufacture of methyl tertiary ethers
    Patent number: 4259533
    Abstract: The present invention is a homogeneous liquid phase process for the preparation of methyl-t-butyl ether by reacting isobutylene and methanol in the presence of a heteropoly acid of molybdenum, tungsten or vanadium. Other tertiary ethers may be obtained by substituting a different tertiary olefin for isobutylene, e.g. t-amyl methyl ether from 2-methylbutene-2 and methanol.
    Type: Grant
    Filed: September 4, 1979
    Date of Patent: March 31, 1981
    Assignee: The Standard Oil Company
    Inventors: Andrew T. Guttmann, Robert K. Grasselli
  • Production of ethylenically unsaturated aliphatic acids
    Patent number: 4256915
    Abstract: The present invention relates to a process for the production of unsaturated aliphatic acids and the catalyst therefore, by the vapor phase oxidation of the corresponding unsaturated aliphatic aldehydes with molecular oxygen, optionally in the presence of steam, in the presence of an oxidation catalyst consisting of the oxides of the elements molybdenum, vanadium, rhenium, plus at least one of the oxides of magnesium, copper and cadmium.
    Type: Grant
    Filed: December 26, 1979
    Date of Patent: March 17, 1981
    Assignee: Standard Oil Company
    Inventors: Wilfrid G. Shaw, David B. Terrill
  • Process for preparing aggregates
    Patent number: RE30569
    Abstract: Hard, rounded aggregates are produced by preparing droplets of a slurry consisting of suspending liquid containing distinct particles of a solid and dropping the droplets of the slurry onto a bed of particles under conditions where the suspending liquid of the slurry droplet is removed. This technique is especially desirable for making unique fixed-bed catalysts.
    Type: Grant
    Filed: November 26, 1976
    Date of Patent: April 7, 1981
    Assignee: The Standard Oil Company (Ohio)
    Inventors: James L. Callahan, Arthur F. Miller, Wilfrid G. Shaw