Patents by Inventor Leo Ernest Manzer

Leo Ernest Manzer 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).

  • PROCESS FOR MAKING ISOOCTENES FROM AQUEOUS ISOBUTANOL
    Publication number: 20140005443
    Abstract: The present invention relates to a catalytic process for making isooctenes using a reactant comprising isobutanol and water. The isooctenes so produced are useful for the production of fuel additives.
    Type: Application
    Filed: August 15, 2013
    Publication date: January 2, 2014
    Applicant: E I DU PONT DE NEMOURS AND COMPANY
    Inventors: Michael B. D'Amore, Leo Ernest Manzer, Edward S. Miller, JR., Jeffrey P. Knapp
  • PROCESSES FOR PREPARING DIACIDS, DIALDEHYDES AND POLYMERS
    Publication number: 20130317192
    Abstract: Alcohols are catalytically oxidized to aldehydes, in particular to benzaldehyde and diformylfuran, which are useful as intermediates for a multiplicity of purposes. The invention also relates to the polymerization of the dialdehyde and to the decarbonylation of the dialdehyde to furan.
    Type: Application
    Filed: July 25, 2013
    Publication date: November 28, 2013
    Applicant: E I DU PONT DE NEMOURS AND COMPANY
    Inventors: Vladimir Grushin, Leo Ernest Manzer, Walter Partenheimer
  • PROCESSES FOR PREPARING DIACIDS, DIALDEHYDES AND POLYMERS
    Publication number: 20130317191
    Abstract: Alcohols are catalytically oxidized to aldehydes, in particular to benzaldehyde and diformylfuran, which are useful as intermediates for a multiplicity of purposes. The invention also relates to the polymerization of the dialdehyde and to the decarbonylation of the dialdehyde to furan.
    Type: Application
    Filed: July 25, 2013
    Publication date: November 28, 2013
    Applicant: E I DU PONT DE NEMOURS AND COMPANY
    Inventors: Vladimir Grushin, Leo Ernest Manzer, Walter Partenheimer
  • PROCESSES FOR PREPARING DIACIDS, DIALDEHYDES AND POLYMERS
    Publication number: 20130310579
    Abstract: Alcohols are catalytically oxidized to aldehydes, in particular to benzaldehyde and diformylfuran, which are useful as intermediates for a multiplicity of purposes. The invention also relates to the polymerization of the dialdehyde and to the decarbonylation of the dialdehyde to furan.
    Type: Application
    Filed: July 25, 2013
    Publication date: November 21, 2013
    Applicant: E I DU PONT DE NEMOURS AND COMPANY
    Inventors: VLADIMIR GRUSHIN, Leo Ernest Manzer, Walter Partenheimer
  • PROCESSES FOR PREPARING DIACIDS, DIALDEHYDES AND POLYMERS
    Publication number: 20130310578
    Abstract: Alcohols are catalytically oxidized to aldehydes, in particular to benzaldehyde and diformylfuran, which are useful as intermediates for a multiplicity of purposes. The invention also relates to the polymerization of the dialdehyde and to the decarbonylation of the dialdehyde to furan.
    Type: Application
    Filed: July 25, 2013
    Publication date: November 21, 2013
    Applicant: E I DU PONT DE NEMOURS AND COMPANY
    Inventors: VLADIMIR GRUSHIN, Leo Ernest Manzer, Walter Partenheimer
  • Processes for preparing diacids, dialdehydes and polymers
    Patent number: 8575299
    Abstract: Alcohols are catalytically oxidized to aldehydes, in particular to benzaldehyde and diformylfuran, which are useful as intermediates for a multiplicity of purposes. The invention also relates to the polymerization of the dialdehyde and to the decarbonylation of the dialdehyde to furan.
    Type: Grant
    Filed: July 25, 2013
    Date of Patent: November 5, 2013
    Assignee: E I du Pont de Nemours and Company
    Inventors: Vladimir Grushin, Leo Ernest Manzer, Walter Partenheimer
  • Solvent addition and removal in the hydrogenation of catmint oil
    Patent number: 8558015
    Abstract: Disclosed are methods for treating catmint oil. The treated catmint oil can be used for the production of hydrogenated catmint oil, which is enriched in the insect repellent, dihydronepetalactone, and from which formulated products may be prepared.
    Type: Grant
    Filed: December 20, 2007
    Date of Patent: October 15, 2013
    Assignee: E I du Pont de Nemours and Company
    Inventors: John Charles Fisher, Keith W. Hutchenson, Scott Christopher Jackson, Leo Ernest Manzer, Mark A. Scialdone, Mayis Seapan
  • Hydrogenation of catmint oil
    Patent number: 8552210
    Abstract: Disclosed are methods for treating catmint oil. The treated catmint oil can be used for the production of hydrogenated catmint oil, which is enriched in the insect repellent, dihydronepetalactone.
    Type: Grant
    Filed: December 20, 2007
    Date of Patent: October 8, 2013
    Assignee: E I du Pont de Nemours and Company
    Inventors: Scott Christopher Jackson, Leo Ernest Manzer, Henry Max Schleinitz, Mark A. Scialdone, Keith W. Hutchenson
  • Processes for preparing diacids, dialdehydes and polymers
    Patent number: 8524923
    Abstract: Alcohols are catalytically oxidized to aldehydes, in particular to benzaldehyde and diformylfuran, which are useful as intermediates for a multiplicity of purposes. The invention also relates to the polymerization of the dialdehyde and to the decarbonylation of the dialdehyde to furan.
    Type: Grant
    Filed: January 25, 2012
    Date of Patent: September 3, 2013
    Assignee: E I du Pont de Nemours and Company
    Inventors: Vladimir Grushin, Leo Ernest Manzer, Walter Partenheimer
  • Steam distillation of catmint plants
    Patent number: 8329229
    Abstract: This invention provides processes for improved recovery of essential oil from the catmint (catnip) plant Nepeta cataria.
    Type: Grant
    Filed: December 20, 2007
    Date of Patent: December 11, 2012
    Assignee: E I du Pont de Nemours and Company
    Inventors: Yamaira Gonzalez, Scott Christopher Jackson, Leo Ernest Manzer
  • Hydroxymethylfurfural ethers and esters prepared in ionic liquids
    Patent number: 8314260
    Abstract: Accordingly, the current invention provides a method for the manufacture of an ether or ester of 5-hydroxymethyl-furfural by reacting a hexose-containing starting material or HMF with an alcohol or an organic acid dissolved into an ionic liquid, using a metal chloride as catalyst.
    Type: Grant
    Filed: September 5, 2008
    Date of Patent: November 20, 2012
    Assignee: Furanix Technologies B.V.
    Inventors: Gerardus Johannes Maria Gruter, Leo Ernest Manzer, Ana Sofia Vagueiro De Sousa Dias, Frits Dautzenberg, Jindra Purmova
  • Hydrogenation of caryophellene
    Patent number: 8293217
    Abstract: A process for the hydrogenation of a mixture of caryophyllenes by contact with hydrogen in the presence of a supported catalyst. The resulting products are useful for the application to skin.
    Type: Grant
    Filed: December 20, 2007
    Date of Patent: October 23, 2012
    Assignee: E I du Pont de Nemours and Company
    Inventors: Keith W. Hutchenson, Scott Christopher Jackson, Leo Ernest Manzer, Mark A. Scialdone, Mayis Seapan
  • Oxidation of 5-(hydroxymethyl) furfural to 2,5 diformylfuran and subsequent decarbonylation to unsubstituted furan
    Patent number: 8129550
    Abstract: Alcohols are catalytically oxidized to aldehydes, in particular to benzaldehyde and diformylfuran, which are useful as intermediates for a multiplicity of purposes. The invention also relates to the polymerization of the dialdehyde and to the decarbonylation of the dialdehyde to furan.
    Type: Grant
    Filed: May 6, 2011
    Date of Patent: March 6, 2012
    Assignee: E. I. du Pont de Nemours and Company
    Inventors: Vladimir Grushin, Walter Partenheimer, Leo Ernest Manzer
  • HYDROXYMETHYLFURFURAL ETHERS FROM SUGARS AND HIGHER ALCOHOLS
    Publication number: 20100218415
    Abstract: Accordingly, the current invention provides a method for the manufacture of an ether of 5-hydroxymethylfurfural by reacting a hexose-containing starting material with a higher alcohol in the presence of an acid catalyst, and at a temperature in the range of from 125 to 250 degrees Centigrade.
    Type: Application
    Filed: September 5, 2008
    Publication date: September 2, 2010
    Applicant: FURANIX TECHNOLOGIES B.V.
    Inventors: Gerardus Johannes Maria Gruter, Leo Ernest Manzer
  • Method of making 2-butanol
    Patent number: 7754928
    Abstract: The present invention relates to a method for making 2-butanol from 2,3-butanediol by using a heterogeneous catalyst system that can function both as an acid catalyst and as a hydrogenation catalyst.
    Type: Grant
    Filed: November 30, 2007
    Date of Patent: July 13, 2010
    Assignee: E. I. duPont de Nemours and Company
    Inventor: Leo Ernest Manzer
  • PRODUCTION OF BUTENES AND DERIVATIVES THEREFROM FROM DRY ETHANOL
    Publication number: 20100174121
    Abstract: The present invention relates to the production of butenes and derivatives thereof from dry ethanol, optionally obtained from a fermentation broth. The butenes thus produced find use as intermediates for the production of polyethylenes and other materials.
    Type: Application
    Filed: November 30, 2007
    Publication date: July 8, 2010
    Applicant: E.I DU PONT DE NEMOURS AND COMPANY
    Inventors: Leo Ernest Manzer, Michael B. D'Amore, Edward S. Miller, JR.
  • PRODUCTION OF BUTENES AND DERIVATIVES THEREFROM FROM AQUEOUS ETHANOL
    Publication number: 20100168478
    Abstract: The present invention relates to the production of butenes and derivatives thereof from aqueous ethanol, optionally obtained from a fermentation broth. The butenes thus produced find use as intermediates for the production of polyethylenes and for the production of other known, useful materials.
    Type: Application
    Filed: November 30, 2007
    Publication date: July 1, 2010
    Applicant: E I DU PONT DE NEMOURS AND COMPANY
    Inventors: Leo Ernest Manzer, Michael B. D'amore, Edward S. Miller, JR.
  • PRODUCTION OF DIHYDRONEPETALACTONE
    Publication number: 20100168447
    Abstract: This invention provides a process for producing dihydronepetalactone using mixtures comprising both trans-cis nepetalactone and cis-trans nepetalactone. A reaction mixture comprising trans-cis nepetalactone and cis-trans nepetalactone is first contacted with hydrogen in the presence of at least one hydrogenation catalyst under conditions that optimise the preferential conversion of trans-cis nepetalactone to dihydronepetalactone. Cis-trans nepetalactone is subsequently converted to dihydronepetalactone by contact with hydrogen in the presence of at least one hydrogenation catalyst.
    Type: Application
    Filed: December 20, 2007
    Publication date: July 1, 2010
    Applicant: E.I. DU PONT DE NEMOURS AND COMPANY
    Inventors: Keith W. Hutchenson, Ccott Christopher Jackson, Leo Ernest Manzer, Mark A. Scialdone, Mayis Seapan
  • Catalytic conversion of ethanol and methanol to an isobutanol-containing reaction product using a thermally decomposed hydrotalcite/metal
    Patent number: 7745672
    Abstract: Hydrotalcite/metal carbonate combinations are partially or fully thermally decomposed to provide catalysts useful for the conversion of ethanol and methanol to a reaction product comprising isobutanol.
    Type: Grant
    Filed: August 22, 2008
    Date of Patent: June 29, 2010
    Assignee: E. I. du Pont de Nemours and Company
    Inventors: Kostantinos Kourtakis, Michael B. D'Amore, Leo Ernest Manzer
  • HYDROGENATION OF CATMINT OIL
    Publication number: 20100145077
    Abstract: Disclosed are methods for treating catmint oil. The treated catmint oil can be used for the production of hydrogenated catmint oil, which is enriched in the insect repellent, dihydronepetalactone.
    Type: Application
    Filed: December 20, 2007
    Publication date: June 10, 2010
    Applicant: E. I. DU PONT DE NEMOURS AND COMPANY
    Inventors: Scott Christopher Jackson, Leo Ernest Manzer, Henry Max Schleinitz, Mark A. Scialdone