Patents Represented by Attorney, Agent or Law Firm Donald F. Haas
  • Patent number: 7612022
    Abstract: A method of treating a hydrocarbon containing formation is described. The method may include providing a hydrocarbon recovery composition to the hydrocarbon containing formation. Hydrocarbons in the hydrocarbon containing formation may interact with the hydrocarbon recovery composition. The hydrocarbon recovery composition may include an aliphatic anionic surfactant and an aliphatic nonionic additive. In some embodiments, an aliphatic anionic surfactant may be branched. In other embodiments, an aliphatic nonionic additive may be branched.
    Type: Grant
    Filed: October 13, 2005
    Date of Patent: November 3, 2009
    Assignee: Shell Oil Company
    Inventors: Paul Gregory Shpakoff, Kirk Herbert Raney
  • Patent number: 7491859
    Abstract: Process for the telomerization of a conjugated diene, wherein the conjugated diene is reacted with a compound containing an active hydrogen atom and having a formula R?—H in the presence of a telomerization catalyst based on: (a) a source of group VIII metal, (b) a bidentate ligand wherein the bidentate ligand has the general formula I R1R2M1-R-M2R3R4??(I) wherein M1 and M2 are independently P, As or Sb; R1, R2, R3 and R4 independently represent a monovalent aliphatic group; or R1, R2 and M1 together and/or R3, R4 and M2 together independently represent an optionally substituted aliphatic cyclic group with at least 5 ring atoms, of which one is the M1 or M2 atom, respectively; R represents a bivalent organic bridging group; and novel bidentate diphosphines which can be used in this process.
    Type: Grant
    Filed: December 9, 2005
    Date of Patent: February 17, 2009
    Assignee: Shell Oil Company
    Inventors: Eit Drent, Michael Rolf Eberhard, Paul Gerald Pringle, Renata Helena van der Made
  • Patent number: 7462752
    Abstract: This invention provides for a process to convert branched or linear alkanes to branched or linear alpha olefins (AO) of the same carbon number.
    Type: Grant
    Filed: April 19, 2005
    Date of Patent: December 9, 2008
    Assignee: Shell Oil Company
    Inventors: Howard Lam-Ho Fong, Lizbeth Olivia Cisneros Trevino, Brendan Dermot Murray, Manuel Luis Cano
  • Patent number: 7462730
    Abstract: A branched ester composition obtainable by the reaction of a carboxylic acid with a branched alcohol composition under esterification reaction conditions wherein the branched alcohol composition has from about 8 to about 36 carbon atoms and an average number of branches per molecule of from about 0.7 to about 3.0, said branching comprising methyl and ethyl branches. The present invention further relates to personal care compositions for topical application to the skin or hair comprising said branched ester composition. The branched ester composition of the invention provides improved formulation flexibility.
    Type: Grant
    Filed: August 27, 2004
    Date of Patent: December 9, 2008
    Assignee: Shell Oil Company
    Inventors: Kirk Herbert Raney, Arie Van Zon, Marijke De Boer-Wildschut
  • Patent number: 7414161
    Abstract: A process for producing branched olefins from a mixed linear olefin/paraffin isomerisation feed comprising linear olefins having at least 7 carbon atoms in 5-50% w comprising in a first stage skeletally isomerising linear olefins in the isomerisation feed and in a second stage separating branched and linear molecules wherein branched molecules are substantially olefinic and linear molecules are olefinic and/or paraffinic; novel stages and combinations thereof; apparatus therefor; use of catalysts and the like therein; and use of branched olefins obtained thereby.
    Type: Grant
    Filed: September 28, 2006
    Date of Patent: August 19, 2008
    Assignee: Shell Oil Company
    Inventor: Peter Arnoldy
  • Patent number: 7381857
    Abstract: A catalyst precursor composition comprising a) a source of chromium, molybdenum or tungsten; b) a first ligand having the general formula (I): (R1)(R2)P-X-P(R3)(R4)??(I) where X is a bivalent organic bridging group, R1 and R3 are hydrocarbyl groups, and R2 and R4 are aromatic groups; and c) a second ligand having the general formula (II): (R1?)(R2?)P-X?-P(R3?)(R4?)??(II) where X? is a bridging group containing nitrogen and R1?, R2?, R3? and R4? are hydrocarbyl groups. The present invention also relates to a catalyst system comprising the catalyst precursor composition of the present invention and a cocatalyst.
    Type: Grant
    Filed: June 28, 2007
    Date of Patent: June 3, 2008
    Assignee: Shell Oil Company
    Inventors: Eric Johannes Maria De Boer, Harry Van Der Heijden, Quoc An On, Johan Paul Smit, Arie Van Zon
  • Patent number: 7304159
    Abstract: Mixed bis-imine pyridine ligands of formula (I), wherein Z1, which is different from Z2, is an optionally substituted aryl group; and Z2 comprises an optionally substituted heterohydrocarbyl moiety, or an optionally substituted aryl group in combination with a metal, said optionally substituted aryl group being ?-co-ordinated to the metal; mixed bis-imine pyridine complexes comprising a ligand of formula (I); mixed ionic bis-imine pyridine complexes comprising a ligand of formula (I); and processes for the production of alpha olefins from ethylene, using said complexes.
    Type: Grant
    Filed: March 15, 2005
    Date of Patent: December 4, 2007
    Assignee: Shell Oil Company
    Inventors: Eric Johannes Maria De Boer, Harry Van Der Heijden, Wilhelmina Cornelia Verhoef-Van Wijk, Arie Van Zon
  • Patent number: 7259123
    Abstract: A catalyst precursor composition comprising a) a source of chromium, molybdenum or tungsten; b) a first ligand having the general formula (I); (R1)(R2)P—X—P(R3)(R4)??(I) wherein X is a bivalent organic bridging group; R1 and R3 are independently selected from, hydrocarbyl, substituted hydrocarbyl, heterohydrocarbyl and substituted heterohydrocarbyl groups, with the proviso that when R1 and R3 are aromatic groups they do not contain a polar substituent at any of the ortho-positions; R2 and R4 are independently selected from optionally substituted aromatic groups, each R2 and R4 bearing a polar substituent on at least one of the ortho-positions; and c) a second ligand having the general formula (II); (R1?)(R2?)P—X?—P(R3?)(R4?)??(II) wherein X? is a bridging group of the formula —N(R5?)—, wherein R5? is selected from hydrogen, a hydrocarbyl group, a substituted hydrocarbyl group, a heterohydrocarbyl group, a substituted heterohydrocarbyl group, a silyl group or derivative thereof; and R1?, R2?, R3? and R4?
    Type: Grant
    Filed: April 6, 2006
    Date of Patent: August 21, 2007
    Assignee: Shell Oil Company
    Inventors: Eric Johannes Maria De Boer, Harry Van Der Heijden, Quoc An On, Johan Paul Smit, Arie Van Zon
  • Patent number: 7202193
    Abstract: A process for the carbonylation of an ethylenically unsaturated compound with carbon monoxide and a co-reactant. The carbonylation reaction is carried out in the presence of a novel catalyst involving: a) a source of a group VIII metal; b)a bidentate diphosphine of formula I, wherein R1 represents a bivalent radical that together with the phosphorus atom to which it is attached is an optionally substituted 2-phospha-tricyclo[3.3.1.1{3,7}]- decyl group or a derivative thereof in which one or more of the carbon atoms are replaced by heteroatoms (“2-PA” group); wherein R2 and R3 independently represent univalent radicals of up to 20 atoms or jointly form a bivalent radical of up to 20 atoms; and wherein A1 and A2 independently represent optionally substituted alkylene groups and R represents an optionally substituted aromatic group; and, c) a source of anions.
    Type: Grant
    Filed: February 18, 2003
    Date of Patent: April 10, 2007
    Assignee: Shell Oil Company
    Inventors: Eit Drent, Renata Helena Van Der Made, Robert Ian Pugh, Paul Gerard Pringle
  • Patent number: 7105706
    Abstract: Process for the preparation of an alkoxylated alcohol composition comprising one or more alkoxylated alcohols wherein the process comprises the steps of: (a) reacting carbon monoxide with hydrogen under Fischer-Tropsch reaction conditions in the presence of a Fischer-Tropsch catalyst; (b) separating from the product of step (a) at least one hydrocarbon fraction comprising paraffins having from 9 to 17 carbon atoms and olefins having from 9 to 17 carbon atoms, the hydrocarbon fraction additionally comprising at least a portion of alcohols; (c) contacting one or more of the hydrocarbon fractions obtained in step (b) with an alkylene oxide; and (d) recovering an alkoxylated alcohol composition from the reaction product of step (c).
    Type: Grant
    Filed: December 9, 2004
    Date of Patent: September 12, 2006
    Assignee: Shell Oil Company
    Inventors: Hendrik Dirkzwager, Laurent Alain Fenouil, Rendert Jan Wiersma
  • Patent number: 7098369
    Abstract: A process for producing primary alcohols from secondary alcohols and/or tertiary alcohols and/or ketones, wherein the process comprises reacting a compound selected from a secondary alcohol, a tertiary alcohol, a ketone, or mixtures thereof, with carbon monoxide and hydrogen in the presence of a catalyst based on: (i) a source of Group VIII metal, (ii) a bidentate ligand having the general formula (I): R1R2M1-R-M2R3R4??(I) wherein M1 and M2 are independently P, As or Sb; R1 and R2 together represent a bivalent substituted or unsubstituted cyclic aliphatic group whereby the two free valencies are linked to M1; R3 and R4 independently represent a substituted or unsubstituted hydrocarbyl group, or together represent a bivalent or non-substituted cyclic group whereby the two free valencies are linked to M2; and R represents a bivalent aliphatic bridging group; and (iii) an acid having a pKa of 3 or less which is in excess over the Group VIII metal.
    Type: Grant
    Filed: September 24, 2003
    Date of Patent: August 29, 2006
    Assignee: Shell Oil Company
    Inventors: Eit Drent, Renata Helena Van Der Made
  • Patent number: 7091387
    Abstract: This invention provides a process to convert alkanes to primary alcohols of the same carbon number. Carbon numbers of particular interest are C8 to C18.
    Type: Grant
    Filed: April 19, 2005
    Date of Patent: August 15, 2006
    Assignee: Shell Oil Company
    Inventors: Howard Lam-Ho Fong, Lizbeth Olivia Cisneros Trevino, Brendan Dermot Murray, Manuel Luis Cano
  • Patent number: 7026473
    Abstract: Processes to prepare 5-cyanovaleric acid or its ester are provided, by carbonylation of a pentenenitrile, wherein pentenenitrile is reacted with carbon monoxide and water and/or an alcohol in the presence of a catalyst system. The catalyst system contains: (a) a metal of Group VIII or a compound thereof and (b) a bidentate phosphine, arsine and/or stibine ligand, wherein the bidentate ligand has the general formula (I): R1R2-M1-R-M2-R3R4??(I) ?wherein M1 and M2 are independently P, As or Sb, R is a divalent organic bridging group, which bridging group comprises a chain of 3 to 5 atoms directly connecting the 2 phosphorus atoms, which chain consists of carbon atoms and optionally a nitrogen, oxygen or sulphur atom or a silano or dialkylsilicon group, which alkyl groups independently comprise from 1 to 4 carbon atoms, and R1–R4 represent the same or different optionally substituted tertiary alkyl groups, (c) an acid having a pKa less than 3, as measured at 18° C. in an aqueous solution.
    Type: Grant
    Filed: April 30, 2004
    Date of Patent: April 11, 2006
    Assignee: Shell Oil Company
    Inventors: Eit Drent, Willem Wabe Jager
  • Patent number: 6903044
    Abstract: Disclosed is a new catalyst composition comprising a bimetallic Co—Ru catalyst complexed with a N-heterocylcic ligand that is effective, economical, and provides improvements in oxidative stability in the one step synthesis of 1,3-propanediol (1,3-PDO) from ethylene oxide and synthesis gas. For example, cobalt-ruthenium-2,2?-bipyrimidine, 2,2?-dipyridyl, or 2,4,6-tripridyl-s-triazine catalyst precursors in cyclic ether solvents, such as 1,3-dioxolane, 1,4-dioxolane, 1,4-dioxane, and 2-ethyl-2-methyl-1,3-dioxolane, provide good yields of 1,3-PDO in a one step synthesis.
    Type: Grant
    Filed: November 18, 2002
    Date of Patent: June 7, 2005
    Assignee: Shell Oil Company
    Inventors: John Frederick Knifton, Talmadge Gail James, Kevin Dale Allen, Paul Richard Weider, Joseph Broun Powell, Lynn Henry Slaugh, Timothy Williams
  • Patent number: 6818146
    Abstract: A nontoxic fuel cell engine coolant which has an electrical resistivity of greater than 250 kOhm-cm, a boiling point of greater than 90° C., a freezing point of less than −40° C., a thermal conductivity of greater than 0.4 W/m-k, a viscosity of less than 1 cPs at 80° C., a viscosity of less than 6 cPs at 0° C., a heat capacity of greater than 3 kJ/kg-K, and which is compatible with current cooling system materials.
    Type: Grant
    Filed: November 21, 2001
    Date of Patent: November 16, 2004
    Assignee: Shell Oil Company
    Inventors: Edward Raynes Eaton, Wyndham Henry Boon, Christopher John Smith
  • Patent number: 6753289
    Abstract: Disclosed is a novel class of modified ruthenium catalysts useful in the one step synthesis of 1,3-PDO comprising (a) a cobalt component comprising one or more non-ligated cobalt compounds; and (b) a ruthenium component comprising in major part a ruthenium carbonyl compound ligated with a phospholanoalkane ligand, solubilized in an ether solvent, that provides potential improvements in cost and performance in one step hydroformylation/hydrogenation. For example, cobalt-ruthenium-bidentate, bis(phospholano)alkane catalyst precursors in ether solvents provide good yields of 1,3-PDO in a one step synthesis.
    Type: Grant
    Filed: February 21, 2003
    Date of Patent: June 22, 2004
    Assignee: Shell Oil Company
    Inventors: John Frederick Knifton, Talmadge Gail James, Kevin Dale Allen, Paul Richard Weider, Joseph Broun Powell, Lynn Henry Slaugh
  • Patent number: 6750373
    Abstract: Disclosed is a new catalyst composition comprising a bimetallic Co—Fe catalyst, optionally complexed with a ligand selected from a N-heterocycle, phosphine, or porphorine ligand, that provides a lower cost alternative for the one step synthesis of 1,3-propanediol (1,3-PDO) from ethylene oxide and synthesis gas. For example, a catalyst containing cobalt carbonyl: iron carbonyl with no ligand, or a catalyst containing a cobalt carbonyl: octaethylporphine iron acetate provide moderate yields of 1,3-PDO in a one step synthesis under mild conditions.
    Type: Grant
    Filed: May 15, 2002
    Date of Patent: June 15, 2004
    Assignee: Shell Oil Company
    Inventors: John Frederick Knifton, Talmadge Gail James, Lynn Henry Slaugh, Kevin Dale Allen, Paul Richard Weider, Joseph Broun Powell
  • Patent number: 6740270
    Abstract: This invention is a spin draw process for making partially oriented yarn from polytrimethylene terephthalate (PTT) which comprises the steps of: (a) extruding and spinning PTT in forming a monofilament or multifilament yarn therefrom, (b) heating the yarn by contacting it with a first pair of godets moving at a speed in and at a temperature set to give a yarn temperature above the glass transition temperature and less than the cold crystallization temperature of PTT, (c) drawing the yarn between the first godet pair and a second pair of godets moving at a speed and a temperature of from 45 to 120° C. and having a draw ratio of 0.7 to 3.0, and (d) winding the yarns at the speed of 1 to 15% less than that of the second godet pair at a yarn temperature less than the glass transition temperature of PTT yarn.
    Type: Grant
    Filed: October 3, 2001
    Date of Patent: May 25, 2004
    Assignee: Shell Oil Company
    Inventors: Charles Chiu-Hsiung Hwo, Hoe Hin Chuah, Houston Slade Brown, Kailash Dangayach, Paul Karol Casey
  • Patent number: 6740733
    Abstract: Disclosed is a process for reducing the self-adhesiveness of polytrimethylene terephthalate pellets, which can be carried out in a continuous or batch manner comprising the steps of: a) introducing polytrimethylene terephthalate pellets having an intrinsic viscosity of at least about 0.4 dl/g into a conduit containing a liquid which is moving through the conduit, thereby causing the pellets to move through the conduit with the liquid; b) adjusting the temperature of the pellets and the liquid to a temperature of about 50 to about 95° C. for a time sufficient to induce a degree of crystallinity of at least about 35% in the pellets; and c) separating the pellets from the liquid.
    Type: Grant
    Filed: November 25, 2002
    Date of Patent: May 25, 2004
    Assignee: Shell Oil Company
    Inventors: James Gao Lee, Thomas Louis De Lellis, Edward James Denton, Kevin Dale Allen, Stefan Deiss, Klaus Mackensen
  • Patent number: 6702864
    Abstract: This invention relates to a process of making high stretch elastic knitted fabrics from (PTT) which comprises: (a) making a drawn textured yarn with an elongation to break of 30 to 60 percent by: (i) spinning a polytrimethylene terephthalate polymer into a partially oriented yarn, and (ii) draw texturing the yarn in a false-twisting texturing machine at a draw ratio of 1.05 to 2.0, and a yarn temperature of 50 to 200° C. using a either a contact heater or a non-contact heater, and (b) knitting the yarn into a fabric composed of intermeshing loops of the yarn wherein the stitch length is from 22 cm/100 stitches to 26 cm/100 stitches, and (c) scouring the knitted fabric, and (d) drying the fabric on a belt, and (e) dyeing the knitted fabric at atmospheric pressure by dispersing a dye and the fabric in water and increasing the temperature, and (f) finishing the dyed knitted fabric according to the specific procedure and (g) drying the fabric on a belt.
    Type: Grant
    Filed: September 21, 2001
    Date of Patent: March 9, 2004
    Assignee: Shell Oil Company
    Inventors: Charles Chiu-Hsiung Hwo, Hoe Hin Chuah, Houston Slade Brown, Kailash Dangayach, Paul Karol Casey