Patents by Inventor John Michael Maher

John Michael Maher 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: 7745652
    Abstract: Integrated processes of preparing industrial chemicals starting from seed oil feedstock compositions containing one or more unsaturated fatty acids or unsaturated fatty acid esters, which are essentially free of metathesis catalyst poisons, particularly hydroperoxides; metathesis of the feedstock composition with a lower olefin, such as ethylene, to form a reduced chain olefin, preferably, a reduced chain ?-olefin, and a reduced chain unsaturated acid or ester, preferably, a reduced chain ?,?-unsaturated acid or ester. The reduced chain unsaturated acid or ester may be (trans)esterified to form a polyester polyolefin, which may be epoxidized to form a polyester polyepoxide. The reduced chain unsaturated acid or ester may be hydroformylated with reduction to produce an ?,?-hydroxy acid or ?,?-hydroxy ester, which may be (trans)esterified with a polyol to form an ?,?-polyester polyol.
    Type: Grant
    Filed: December 5, 2008
    Date of Patent: June 29, 2010
    Assignee: Dow Global Technologies Inc.
    Inventors: Zenon Lysenko, Bob R. Maughon, Jozef Bicerano, Kenneth A. Burdett, Christopher P. Christenson, Clark H. Cummins, Marvin L. Dettloff, Alan K. Schrock, P. J. Thomas, Richard D. Varjian, Jerry E. White, John Michael Maher
  • Publication number: 20090143544
    Abstract: Integrated processes of preparing industrial chemicals starting from seed oil feedstock compositions containing one or more unsaturated fatty acids or unsaturated fatty acid esters, which are essentially free of metathesis catalyst poisons, particularly hydroperoxides; metathesis of the feedstock composition with a lower olefin, such as ethylene, to form a reduced chain olefin, preferably, a reduced chain ?-olefin, and a reduced chain unsaturated acid or ester, preferably, a reduced chain ?,?-unsaturated acid or ester. The reduced chain unsaturated acid or ester may be (trans)esterified to form a polyester polyolefin, which may be epoxidized to form a polyester polyepoxide. The reduced chain unsaturated acid or ester may be hydroformylated with reduction to produce an ?,?-hydroxy acid or ?,?-hydroxy ester, which may be (trans)esterified with a polyol to form an ?,?polyester polyol.
    Type: Application
    Filed: December 5, 2008
    Publication date: June 4, 2009
    Applicant: Dow Global Technologies Inc.
    Inventors: Zenon Lysenko, Bob R. Maughon, Jozef Bicerano, Kenneth A. Burdett, Christopher P. Christenson, Clark H. Cummins, Marvin L. Dettloff, Alan K. Schrock, P. J. Thomas, Richard D. Varjian, Jerry E. White, John Michael Maher
  • Publication number: 20010053858
    Abstract: This invention relates in part to processes for producing one or more substituted or unsubstituted epsilon caprolactones and/or hydrates and/or esters thereof which comprise subjecting one or more substituted or unsubstituted penten-1-ols to carbonylation in the presence of a carbonylation catalyst, e.g., a metal-organophosphorus ligand complex catalyst, to produce said one or more substituted or unsubstituted epsilon caprolactones and/or hydrates and/or esters thereof. The substituted and unsubstituted epsilon caprolactones and/or hydrates and/or esters thereof produced by the processes of this invention can undergo further reaction(s) to afford desired derivatives thereof, e.g., epsilon caprolactam. This invention also relates in part to reaction mixtures containing one or more substituted or unsubstituted epsilon caprolactones and/or hydrates and/or esters thereof as principal product(s) of reaction.
    Type: Application
    Filed: December 4, 2000
    Publication date: December 20, 2001
    Inventors: Erik Bruce Tjaden, John Robert Briggs, Anil Sakharam Guram, John Michael Maher
  • Patent number: 6310260
    Abstract: This invention relates to a process for separating one or more organophosphorus ligand degradation products, one or more reaction byproducts and one or more products from a continuously generated reaction product fluid comprising one or more unreacted reactants, a metal-organophosphorus ligand complex catalyst, optionally free organophosphorus ligand, said one or more organophosphorus ligand degradation products, said one or more reaction byproducts, said one or more products, one or more polar solvents and one or more nonpolar solvents by phase separation wherein (i) the selectivity of the polar phase for the organophosphorus ligand with respect to the one or more products is expressed by a partition coefficient ratio Ef1 which is a value greater than about 2.5, (ii) the selectivity of the polar phase for the organophosphorus ligand with respect to the one or more organophosphorus ligand degradation products is expressed by a partition coefficient ratio Ef2 which is a value greater than about 2.
    Type: Grant
    Filed: March 15, 2000
    Date of Patent: October 30, 2001
    Assignee: Union Carbide Chemicals & Plastics Technology Corporation
    Inventors: John Nicholas Argyropoulos, Jeffrey Scott Kanel, Michael Leo Tulchinsky, David James Miller, Donald Lee Morrison, Paul Foley, David Robert Bryant, Ailene Gardner Phillips, Brian Michael Roesch, John Robert Briggs, Max Min Lee, John Michael Maher
  • Patent number: 6307110
    Abstract: This invention relates to a process for separating one or more organophosphorus ligand degradation products, one or more reaction byproducts and one or more products from a continuously generated reaction product fluid comprising one or more unreacted reactants, a metal-organophosphorus ligand complex catalyst, optionally free organophosphorus ligand, said one or more organophosphorus ligand degradation products, said one or more reaction byproducts, said one or more products, one or more nonpolar solvents and one or more polar solvents by phase separation wherein (i) the selectivity of the nonpolar phase for the organophosphorus ligand with respect to the one or more products is expressed by a partition coefficient ratio Ef1which is a value greater than about 2.5, (ii) the selectivity of the nonpolar phase for the organophosphorus ligand with respect to the one or more organophosphorus ligand degradation products is expressed by a partition coefficient ratio Ef2 which is a value greater than about 2.
    Type: Grant
    Filed: March 15, 2000
    Date of Patent: October 23, 2001
    Assignee: Union Carbide Chemicals & Plastics Technology Corporation
    Inventors: John Nicholas Argyropoulos, Jeffrey Scott Kanel, Michael Leo Tulchinsky, David James Miller, Donald Lee Morrison, Paul Foley, David Robert Bryant, Ailene Gardner Phillips, Brian Michael Roesch, John Robert Briggs, Max Min Lee, John Michael Maher
  • Patent number: 6307065
    Abstract: This invention relates in part to processes for producing one or more substituted or unsubstituted epsilon caprolactones and/or hydrates and/or esters thereof which comprise subjecting one or more substituted or unsubstituted penten-1-ols to carbonylation in the presence of a carbonylation catalyst, e.g., a metal-organophosphorus ligand complex catalyst, to produce said one or more substituted or unsubstituted epsilon caprolactones and/or hydrates and/or esters thereof. The substituted and unsubstituted epsilon caprolactones and/or hydrates and/or esters thereof produced by the processes of this invention can undergo further reaction(s) to afford desired derivatives thereof, e.g., epsilon caprolactam. This invention also relates in part to reaction mixtures containing one or more substituted or unsubstituted epsilon caprolactones and/or hydrates and/or esters thereof as principal product(s) of reaction.
    Type: Grant
    Filed: December 4, 2000
    Date of Patent: October 23, 2001
    Assignee: Union Carbide Chemicals & Plastics Technology Corporation
    Inventors: Erik Bruce Tjaden, John Robert Briggs, Anil Sakharam Guram, John Michael Maher
  • Patent number: 6303829
    Abstract: This invention relates to a process for separating one or more products from a reaction product fluid comprising a metal-organophosphorus ligand complex catalyst, optionally free organophosphorus ligand, said one or more products, one or more nonpolar reaction solvents and one or more polar reaction solvents, wherein said process comprises (1) subjecting said reaction product fluid to fractional countercurrent extraction with at least two immiscible extraction solvents, said at least two immiscible extraction solvents comprising at least one nonpolar extraction solvent and at least one polar extraction solvent, to obtain a nonpolar phase comprising said metal-organophosphorus ligand complex catalyst, said optionally free organophosphorus ligand, said one or more nonpolar reaction solvents and said at least one nonpolar extraction solvent and a polar phase comprising said one or more products, said one or more polar reaction solvents and said at least one polar extraction solvent, and (2) recovering said polar
    Type: Grant
    Filed: March 15, 2000
    Date of Patent: October 16, 2001
    Assignee: Union Carbide Chemicals & Plastics Technology Corporation
    Inventors: Jeffrey Scott Kanel, John Nicholas Argyropoulos, Ailene Gardner Phillips, Brian Michael Roesch, John Robert Briggs, Max Min Lee, John Michael Maher, David Robert Bryant
  • Patent number: 6294700
    Abstract: This invention relates to a process for separating one or more products from a reaction product fluid comprising a metal-organophosphorus ligand complex catalyst, optionally free organophosphorus ligand, said one or more products, one or more polar reaction solvents and one or more nonpolar reaction solvents, wherein said process comprises (1) subjecting said reaction product fluid to fractional countercurrent extraction with at least two immiscible extraction solvents, said at least two immiscible extraction solvents comprising at least one polar extraction solvent and at least one nonpolar extraction solvent, to obtain a polar phase comprising said metal-organophosphorus ligand complex catalyst, said optionally free organophosphorus ligand, said one or more polar reaction solvents and said at least one polar extraction solvent and a nonpolar phase comprising said one or more products, said one or more nonpolar reaction solvents and said at least one nonpolar extraction solvent, and (2) recovering said nonpo
    Type: Grant
    Filed: March 15, 2000
    Date of Patent: September 25, 2001
    Assignee: Union Carbide Chemicals & Plastics Technology Corporation
    Inventors: Jeffrey Scott Kanel, John Nicholas Argyropoulos, Ailene Gardner Phillips, Brian Michael Roesch, John Robert Briggs, Max Min Lee, John Michael Maher, David Robert Bryant
  • Patent number: 6187963
    Abstract: Processes are disclosed for the conversion of propylene to an acrolein derivative by converting propylene to acrolein and converting acrolein to the acrolein derivative. The processes utilize oxygen and recycle propane to the acrolein reactor. Process feeds can comprise, propane, propylene or mixtures thereof. The presence of propane in the propylene-to-acrolein reaction can enhance the efficiency of the processes.
    Type: Grant
    Filed: October 9, 1998
    Date of Patent: February 13, 2001
    Assignee: Union Carbide Chemicals & Plastics Technology Corporation
    Inventors: William George Etzkorn, Richard A. Galley, Thomas E. Snead, Jonathan Lester Brockwell, Mark Anderson Young, John Michael Maher, Barbara Knight Warren
  • Patent number: 6184391
    Abstract: This invention relates in part to processes for producing one or more substituted or unsubstituted epsilon caprolactones and/or hydrates and/or esters thereof which comprise subjecting one or more substituted or unsubstituted penten-1-ols to carbonylation in the presence of a carbonylation catalyst, e.g., a metal-organophosphorus ligand complex catalyst, to produce said one or more substituted or unsubstituted epsilon caprolactones and/or hydrates and/or esters thereof. The substituted and unsubstituted epsilon caprolactones and/or hydrates and/or esters thereof produced by the processes of this invention can undergo further reaction(s) to afford desired derivatives thereof, e.g., epsilon caprolactam. This invention also relates in part to reaction mixtures containing one or more substituted or unsubstituted epsilon caprolactones and/or hydrates and/or esters thereof as principal product(s) of reaction.
    Type: Grant
    Filed: April 15, 1997
    Date of Patent: February 6, 2001
    Assignee: Union Carbide Chemicals & Plastics Technology Corporation
    Inventors: Erik Bruce Tjaden, John Robert Briggs, Anil Sakharam Guram, John Michael Maher
  • Patent number: 6166263
    Abstract: Processes are disclosed for the conversion of propylene to acrolein in the presence of propane. The processes utilize oxygen and recycle propane to the acrolein reactor. Process feeds can comprise, propane, propylene or mixtures thereof. The presence of propane in the propylene-to-acrolein reaction can enhance the efficiency of the processes.
    Type: Grant
    Filed: October 9, 1998
    Date of Patent: December 26, 2000
    Assignee: Union Carbide Chemicals & Plastics Technology Corporation
    Inventors: William George Etzkorn, Jonathan Lester Brockwell, Mark Anderson Young, John Michael Maher, Barbara Knight Warren
  • Patent number: 5962680
    Abstract: This invention relates in part to processes for producing one or more substituted or unsubstituted epsilon caprolactams, e.g., epsilon caprolactam, which comprises: (a) subjecting one or more substituted or unsubstituted alkadienes to hydroxycarbonylation in the presence of a hydroxycarbonylation catalyst, e.g., a metal-organophosphorus ligand complex catalyst, and neutralization with a base to produce one or more substituted or unsubstituted pentenoic acid salts; (b) subjecting said one or more substituted or unsubstituted pentenoic acid salts to hydroformylation in the presence of a hydroformylation catalyst, e.g.
    Type: Grant
    Filed: April 15, 1997
    Date of Patent: October 5, 1999
    Assignee: Union Carbide Chemicals & Plastics Technology Corporation
    Inventors: Thomas Carl Eisenschmid, John Robert Briggs, Diane Lee Packett, Kurt Damar Olson, John Michael Maher
  • Patent number: 5942611
    Abstract: A new process for recovering high purity natamycin from fermentation broth containing natamycin comprises the steps of adjusting the pH of the broth to above about 10 and adding an amount of a water-miscible solvent, such as isopropanol, sufficient to dissolve the natamycin in the broth, followed by removing insoluble solids from the pH-adjusted broth, followed by lowering the pH of the broth to a level sufficient to precipitate the natamycin, and removing the natamycin from the broth.
    Type: Grant
    Filed: August 28, 1996
    Date of Patent: August 24, 1999
    Assignee: Cultor Ltd.
    Inventors: George Wayne Borden, John Michael Maher, Constantine Sklavounos
  • Patent number: 5929289
    Abstract: The present invention provides a hydroformylation process comprising: (1) forming a reaction mixture containing: (a) an olefinic compound, (b) hydrogen, (c) carbon monoxide, (d) a phosphite in which each phosphorus atom is bonded to three oxygen atoms and at least one such oxygen atom is bonded to a carbon atom of an aromatic ring that is adjacent to another carbon atom of said ring having a pendant monovalent group having a steric hindrance at least as great as the steric hindrance of the isopropyl group, (e) a catalytic amount of rhodium, and (f) a Group VIII metal (other than a rhodium) in an amount sufficient to reduce the rhodium-catalyzed decomposition of the phosphite during the hydroformylation process; and (2) maintaining the reaction mixture under conditions at which the olefinic compound reacts with the hydrogen and carbon monoxide to form an aldehyde.
    Type: Grant
    Filed: March 3, 1998
    Date of Patent: July 27, 1999
    Assignee: Union Carbide Chemicals & Plastics Technology Corporation
    Inventors: Anthony George Abatjoglou, David Robert Bryant, John Michael Maher
  • Patent number: 5925754
    Abstract: This invention relates to a composition comprising (a) epsilon caprolactam and (b) one or more of 5-?4,5-di(3-carboxypropyl)-2-pyridyl!pentanoic acid or salt or amide, 4-?4,5-di(2-carboxypropyl)-2-pyridyl!-2-methylbutanoic acid or salt or amide, 2-?2-(2-carboxybutyl)-5-(1-carboxypropyl)-4-pyridyl!butanoic acid or salt or amide, 5-?3,5-di(3-carboxypropyl)-2-pyridyl!pentanoic acid or salt or amide, 4-?3,5-di(2-carboxypropyl)-2-pyridyl!-2-methylbutanoic acid or salt or amide, 2-?-2-(2-carboxybutyl)-5-(1-carboxypropyl)-3-pyridyl!butanoic acid or salt or amide, 5-amino-4-methylpentanamide, 4-amino-3-ethylbutanamide, 5-?4,5-di(4-hydroxybutyl)-2-pyridyl!pentanol, 4-?4,5-di(2-methoxypropyl)-2-pyridyl!-2-methylbutanol, 2-?2-(2-methoxybutyl)-5-(1-methoxypropyl)-4-pyridyl!butanol, 5-?3,5-di(4-hydroxybutyl)-2-pyridyl!pentanol, 4-?3,5-di(2-methoxypropyl)-2-pyridyl!-2-methylbutanol, 2-?2-(2-methoxybutyl)-5-(1-methoxypropyl)-3-pyridyl!butanol, 5-amino-4-methyl-1-pentanol, 5-imino-2-methyl-1-pentanamine, 5-amino-2-methyl-1-p
    Type: Grant
    Filed: October 23, 1997
    Date of Patent: July 20, 1999
    Assignee: Union Carbide Chemicals & Plastics Technology Corporation
    Inventors: John Michael Maher, David Robert Bryant, Johnathan Eugene Holladay, Thomas Carl Eisenschmid, John Robert Briggs, Kurt Damar Olson
  • Patent number: 5919978
    Abstract: This invention relates in part to processes for producing one or more substituted or unsubstituted aldehyde acids or salts, e.g., 5-formylvaleric acid or salt, which comprises subjecting one or more substituted or unsubstituted alkadienes, e.g., butadiene, to hydroxycarbonylation in the presence of a hydroxycarbonylation catalyst, e.g., a metal-organophosphorus ligand complex catalyst, and optionally neutralization with a base to produce one or more substituted or unsubstituted unsaturated acids or salts, e.g., pentenoic acid or salt, and subjecting said one or more substituted or unsubstituted unsaturated acids or salts to hydroformylation in the presence of a hydroformylation catalyst, e.g., a metal-organophosphorus ligand complex catalyst, to produce said one or more substituted or unsubstituted aldehyde acids or salts and/or one or more substituted or unsubstituted epsilon caprolactam precursors.
    Type: Grant
    Filed: April 15, 1997
    Date of Patent: July 6, 1999
    Assignee: Union Carbide Chemicals & Plastics Technology Corporation
    Inventors: Diane Lee Packett, Thomas Carl Eisenschmid, Michael Allen Brammer, John Michael Maher
  • Patent number: 5917095
    Abstract: This invention relates to a process for separating one or more phosphorus acidic compounds from a reaction product fluid containing said one or more phosphorus acidic compounds, a metal-organophosphorus ligand complex catalyst and optionally free organophosphorus ligand which process comprises (a) treating said reaction product fluid with water sufficient to remove at least some amount of said one or more phosphorus acidic compounds from said reaction product fluid and (b) treating the water which contains phosphorus acidic compounds removed from said reaction product fluid with an acid removal substance sufficient to remove at least some amount of said one or more phosphorus acidic compounds from said water.
    Type: Grant
    Filed: March 11, 1997
    Date of Patent: June 29, 1999
    Assignee: Union Carbide Chemicals & Plastics Technology Corporation
    Inventors: David Robert Bryant, James Clair Nicholson, John Robert Briggs, Diane Lee Packett, John Michael Maher
  • Patent number: 5892119
    Abstract: This invention relates to a process for separating one or more phosphorus acidic compounds from a reaction product fluid containing said one or more phosphorus acidic compounds, a metal-organophosphorus ligand complex catalyst and optionally free organophosphorus ligand which process comprises (a) treating said reaction product fluid with water sufficient to remove at least some amount of said one or more phosphorus acidic compounds from said reaction product fluid and (b) treating the water which contains phosphorus acidic compounds removed from said reaction product fluid with an ion exchange resin sufficient to remove at least some amount of said one or more phosphorus acidic compounds from said water.
    Type: Grant
    Filed: March 11, 1997
    Date of Patent: April 6, 1999
    Assignee: Union Carbide Chemicals & Plastics Technology Corporation
    Inventors: David Robert Bryant, James Clair Nicholson, Ernst Billig, John Robert Briggs, Diane Lee Packett, John Michael Maher
  • Patent number: 5886235
    Abstract: This invention relates to a process for separating one or more phosphorus acidic compounds from a reaction product fluid containing said one or more phosphorus acidic compounds, a metal-organophosphorus ligand complex catalyst and optionally free organophosphorus ligand which process comprises treating said reaction product fluid with water sufficient to remove at least some amount of said one or more phosphorus acidic compounds from said reaction product fluid.
    Type: Grant
    Filed: March 11, 1997
    Date of Patent: March 23, 1999
    Assignee: Union Carbide Chemicals & Plastics Technology Corporation.
    Inventors: David Robert Bryant, James Clair Nicholson, John Robert Briggs, Diane Lee Packett, John Michael Maher
  • Patent number: 5886236
    Abstract: This invention relates in part to processes for producing one or more substituted or unsubstituted aldehyde acid salts, e.g., epsilon caprolactam, which comprises subjecting said one or more substituted or unsubstituted unsaturated acid salts, e.g., pentenoic acid salts, to hydroformylation in the presence of a hydroformylation catalyst, e.g., a metal-organophosphorus ligand complex catalyst, to produce one or more substituted or unsubstituted aldehyde acid salts and/or one or more substituted or unsubstituted epsilon caprolactam precursors. This invention also relates in part to reaction mixtures containing one or more substituted or unsubstituted aldehyde acid salts as the principal product(s) of reaction.
    Type: Grant
    Filed: April 15, 1997
    Date of Patent: March 23, 1999
    Assignee: Union Carbide Chemicals & Plastics Technology Corporation
    Inventors: Thomas Carl Eisenschmid, John Robert Briggs, Diane Lee Packett, Kurt Damar Olson, John Michael Maher