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).
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Patent number: 4717785Abstract: 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: GrantFiled: December 10, 1986Date of Patent: January 5, 1988Assignee: Shell Oil CompanyInventor: Timm E. Paxson
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Patent number: 4450288Abstract: 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: GrantFiled: May 21, 1982Date of Patent: May 22, 1984Assignee: Shell Oil CompanyInventor: Timm E. Paxson
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Patent number: 4450286Abstract: 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: GrantFiled: May 21, 1982Date of Patent: May 22, 1984Assignee: Shell Oil CompanyInventor: Timm E. Paxson
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Patent number: 4450287Abstract: 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: GrantFiled: May 21, 1982Date of Patent: May 22, 1984Assignee: Shell Oil CompanyInventor: Timm E. Paxson
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Patent number: 4409397Abstract: 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: GrantFiled: May 6, 1982Date of Patent: October 11, 1983Assignee: Shell Oil CompanyInventor: Timm E. Paxson
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Patent number: 4371716Abstract: 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: GrantFiled: July 17, 1981Date of Patent: February 1, 1983Assignee: Shell Oil CompanyInventors: Timm E. Paxson, Leo Kim, Andre B. Van Aken
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Patent number: 4317936Abstract: 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: GrantFiled: August 13, 1979Date of Patent: March 2, 1982Assignee: Shell Oil CompanyInventors: Leo Kim, Timm E. Paxson, Sunny C. Tang
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Patent number: 4306085Abstract: 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: GrantFiled: August 13, 1979Date of Patent: December 15, 1981Assignee: Shell Oil CompanyInventors: Leo Kim, Timm E. Paxson, Sunny C. Tang
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Patent number: 4284835Abstract: 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: GrantFiled: February 25, 1980Date of Patent: August 18, 1981Assignee: Shell Oil CompanyInventors: Leo Kim, Timm E. Paxson, Sunny C. Tang
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Patent number: 4266085Abstract: 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: GrantFiled: May 9, 1980Date of Patent: May 5, 1981Assignee: Shell Oil CompanyInventors: Leo Kim, Timm E. Paxson, Sunny C. Tang
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Patent number: 4179402Abstract: 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: GrantFiled: May 15, 1978Date of Patent: December 18, 1979Assignee: Shell Oil CompanyInventors: Leo Kim, Timm E. Paxson, Sunny C. Tang
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Patent number: 4179403Abstract: 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: GrantFiled: December 19, 1977Date of Patent: December 18, 1979Assignee: Shell Oil CompanyInventors: Leo Kim, Timm E. Paxson, Sunny C. Tang
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Patent number: 4139566Abstract: 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: GrantFiled: October 3, 1977Date of Patent: February 13, 1979Assignee: Shell Oil CompanyInventors: Leo Kim, Timm E. Paxson
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Patent number: 4126643Abstract: 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: GrantFiled: November 14, 1977Date of Patent: November 21, 1978Assignee: Shell Oil CompanyInventors: Timm E. Paxson, Milton M. Wald
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Patent number: 4065505Abstract: 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: GrantFiled: November 5, 1976Date of Patent: December 27, 1977Assignee: Shell Oil CompanyInventors: Leo Kim, Timm E. Paxson, Sunny C. Tang
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Patent number: 3976596Abstract: 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: GrantFiled: March 26, 1975Date of Patent: August 24, 1976Assignee: The United States of America as represented by the Secretary of the NavyInventors: Marion F. Hawthorne, Timm E. Paxson