Patents by Inventor Timm E. Paxson

Timm E. Paxson 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: 4717785
    Abstract: Phosphine impurities are effectively removed from higher olefin products containing such impurities by treatment of the olefin with a macroreticular cation exchange resin in the acid form. The invention is particularly useful in removing phosphine catalyst residues from the C.sub.6 and higher mono-olefin products of ethylene oligomerization reactions.
    Type: Grant
    Filed: December 10, 1986
    Date of Patent: January 5, 1988
    Assignee: Shell Oil Company
    Inventor: Timm E. Paxson
  • Patent number: 4450288
    Abstract: A process for producing butenyl acetate which comprises reacting butadiene and acetic acid in the presence of a catalyst comprising a sulfonic acid ion exchange resin modified with an alkyl pyridinium salt.
    Type: Grant
    Filed: May 21, 1982
    Date of Patent: May 22, 1984
    Assignee: Shell Oil Company
    Inventor: Timm E. Paxson
  • Patent number: 4450286
    Abstract: A process for producing butenyl acetate which comprises reacting butadiene and acetic acid in the presence of a catalyst comprising a sulfonic acid ion exchange resin modified with a quaternary ammonium and/or phosphonium substituted ferrocenyl salt.
    Type: Grant
    Filed: May 21, 1982
    Date of Patent: May 22, 1984
    Assignee: Shell Oil Company
    Inventor: Timm E. Paxson
  • Patent number: 4450287
    Abstract: A process for producing butenyl acetate which comprises reacting butadiene and acetic acid in the presence of a catalyst comprising a sulfonic acid ion exchange resin modified with a quaternary ammonium salt.
    Type: Grant
    Filed: May 21, 1982
    Date of Patent: May 22, 1984
    Assignee: Shell Oil Company
    Inventor: Timm E. Paxson
  • Patent number: 4409397
    Abstract: Tetra-substituted olefinic acids and derivatives of the formula ##STR1## wherein R is --COOM in which M is a cation forming a soluble salt or --COOR.sup.4 or --CON(R.sup.4).sub.2 in which each R.sup.4 is independently a hydrogen atom or an alkyl group; R.sup.1 is an optionally substituted alkyl, cycloalkyl, aryl or heterocyclic group; and R.sup.2 or R.sup.3 each independently is an optionally substituted alkyl or cycloalkyl group or R.sup.2 and R.sup.3 together with the carbon atom to which they are attached form a carbocyclic ring, are asymmetrically hydrogenated in the presence of a coordinated complex of rhodium, iridium, or ruthenium in combination with a chiral metallocenylphosphine or pyrrolidinylphosphine ligand.
    Type: Grant
    Filed: May 6, 1982
    Date of Patent: October 11, 1983
    Assignee: Shell Oil Company
    Inventor: Timm E. Paxson
  • Patent number: 4371716
    Abstract: An improved process for preparing .beta.-(sec-alkoxy) ethanol which comprises reacting an olefin with ethylene glycol in the presence of a sulfuric acid or benzenesulfonic acid catalyst and sufficient sulfolane or alkyl-substituted sulfolane solvent to provide a one phase reaction medium, extracting the reaction products with an alkane and recovering the .beta.-(sec-alkoxy) ethanol product from the alkane extract.
    Type: Grant
    Filed: July 17, 1981
    Date of Patent: February 1, 1983
    Assignee: Shell Oil Company
    Inventors: Timm E. Paxson, Leo Kim, Andre B. Van Aken
  • Patent number: 4317936
    Abstract: The hydroformylation of olefinic hydrocarbons is effected by treating the hydrocarbon with hydrogen and carbon monoxide in the presence of a catalyst comprising an ion exchange resin, a metal selected from the group consisting of cobalt, ruthenium, palladium, platinium, and rhodium bound to said resin and an organic linking compound which has at least one moiety which is ionically bonded to said resin and which further has at least one moiety which is coordinately bonded to said metal.
    Type: Grant
    Filed: August 13, 1979
    Date of Patent: March 2, 1982
    Assignee: Shell Oil Company
    Inventors: Leo Kim, Timm E. Paxson, Sunny C. Tang
  • Patent number: 4306085
    Abstract: The hydroformylation of olefinic hydrocarbons is effected by treating the hydrocarbon with hydrogen and carbon monoxide in the presence of a catalyst comprising an ion exchange resin and an organic linking compound having at least one resin-compatible moiety ionically bonded to said resin and further having at least one metal complexible moiety selected from the group consisting of cobalt, ruthenium, palladium, platinum and rhodium.
    Type: Grant
    Filed: August 13, 1979
    Date of Patent: December 15, 1981
    Assignee: Shell Oil Company
    Inventors: Leo Kim, Timm E. Paxson, Sunny C. Tang
  • Patent number: 4284835
    Abstract: A process for the hydrogenation of unsaturated hydrocarbons comprising contacting said unsaturated hydrocarbons, with hydrogen, at temperatures ranging from about 40.degree. C. to about 160.degree. C., and pressures ranging from about 100 psi to about 3000 psi, with a catalyst comprising an ion exchange resin and an organic linking compound having at least one resin compatible moiety ionically bound to said resin and further having at least one metal complexible moiety selected from the group consisting of trivalent nitrogen, trivalent phosporous, trivalent arsenic, trivalent bismuth and trivalent antimony complexed to a metal selected from the group consisting of ruthenium, rhodium, palladium, osmium, iridium and platinum.
    Type: Grant
    Filed: February 25, 1980
    Date of Patent: August 18, 1981
    Assignee: Shell Oil Company
    Inventors: Leo Kim, Timm E. Paxson, Sunny C. Tang
  • Patent number: 4266085
    Abstract: The disproportionation of olefins is effected by contacting the olefin with an activator and a catalyst comprising an ion exchange resin and an organic linking compound having at least one resin-compatible moiety ionically bonded to said resin and further having at least one metal complexible moiety selected from the group consisting of trivalent nitrogen, trivalent phosphorus, trivalent arsenic, trivalent bismuth and trivalent antimony complexed to a metal selected from the group consisting of molybdenum, tungsten and rhenium.
    Type: Grant
    Filed: May 9, 1980
    Date of Patent: May 5, 1981
    Assignee: Shell Oil Company
    Inventors: Leo Kim, Timm E. Paxson, Sunny C. Tang
  • Patent number: 4179402
    Abstract: A composition comprising an ion exchange resin, a metal selected from the transition group of elements bound to said resin and an organic linking compound which has at least one moiety which is ionically bonded to said resin and which further has at least one moiety which is coordinately bonded to said metal.
    Type: Grant
    Filed: May 15, 1978
    Date of Patent: December 18, 1979
    Assignee: Shell Oil Company
    Inventors: Leo Kim, Timm E. Paxson, Sunny C. Tang
  • Patent number: 4179403
    Abstract: A composition comprising an ion exchange resin and an organic linking compound having at least one resin-compatible moiety ionically bound to said resin and further having at least one metal complexible moiety selected from the group consisting of trivalent nitrogen, trivalent phosphorus, trivalent arsenic, trivalent bismuth and trivalent antimony complexed to a metal selected from Group IVB, VB, VIB, VIIB, VIII and IB metals, said composition being useful in heterogeneous catalysis.
    Type: Grant
    Filed: December 19, 1977
    Date of Patent: December 18, 1979
    Assignee: Shell Oil Company
    Inventors: Leo Kim, Timm E. Paxson, Sunny C. Tang
  • Patent number: 4139566
    Abstract: In the process of reacting olefins with (poly)alkylene glycols in the prsence of acid catalysts to produce the corresponding (poly)alkylene glycol monoalkyl ether, the improvement which comprises carrying out the reaction in the presence of sulfur dioxide.
    Type: Grant
    Filed: October 3, 1977
    Date of Patent: February 13, 1979
    Assignee: Shell Oil Company
    Inventors: Leo Kim, Timm E. Paxson
  • Patent number: 4126643
    Abstract: Method for the conversion of butadiene (1,3) comprising contacting butadiene (1,3) with zinc iodide, zinc bromide or mixtures thereof at a temperature of from about 150.degree. C to about 550.degree. C.
    Type: Grant
    Filed: November 14, 1977
    Date of Patent: November 21, 1978
    Assignee: Shell Oil Company
    Inventors: Timm E. Paxson, Milton M. Wald
  • Patent number: 4065505
    Abstract: Meta-phenoxytoluene is oxidized by selenium dioxide in the presence of a dehydration agent to yield meta-phenoxy-benzaldehyde containing less than 250 ppm dissolved selenium at a selectivity based on the toluene of about 90% or better.
    Type: Grant
    Filed: November 5, 1976
    Date of Patent: December 27, 1977
    Assignee: Shell Oil Company
    Inventors: Leo Kim, Timm E. Paxson, Sunny C. Tang
  • Patent number: 3976596
    Abstract: A family of stable hydrido-rhodium and iridium carboranes are described which are effective catalysts for the homogeneous hydrogenation, isomerization and hydroformylation of olefins and the hydrosilylation of ketones.
    Type: Grant
    Filed: March 26, 1975
    Date of Patent: August 24, 1976
    Assignee: The United States of America as represented by the Secretary of the Navy
    Inventors: Marion F. Hawthorne, Timm E. Paxson