Patents by Inventor Oliver Egan

Oliver Egan 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).

  • Liquid sulfonylurea-containing herbicidal compositions
    Patent number: 11071296
    Abstract: This invention relates to a liquid herbicidal composition comprising a non-aqueous solvent system, at least one sulfonylurea herbicide and at least one inorganic salt selected from the metal carbonates and metal phosphates. The invention also relates to the use of an inorganic salt selected from the metal carbonates and metal phosphates to improve chemical stabilisation of a sulfonylurea herbicide in a liquid composition comprising a non-aqueous solvent system.
    Type: Grant
    Filed: December 21, 2015
    Date of Patent: July 27, 2021
    Assignees: Mitsui AgriScience International S.A./N.V., Battelle UK Limited
    Inventors: Oliver Egan, Andrew Goldsmith
  • LIQUID SULFONYLUREA-CONTAINING HERBICIDAL COMPOSITIONS
    Publication number: 20210137102
    Abstract: This invention relates to a liquid herbicidal composition comprising a non-aqueous solvent system, at least one sulfonylurea herbicide and at least one inorganic salt selected from the metal carbonates and metal phosphates. The invention also relates to the use of an inorganic salt selected from the metal carbonates and metal phosphates to improve chemical stabilisation of a sulfonylurea herbicide in a liquid composition comprising a non-aqueous solvent system.
    Type: Application
    Filed: December 23, 2020
    Publication date: May 13, 2021
    Applicants: Mitsui AgriScience International S.A./N.V., Battelle UK Limited
    Inventors: Oliver Egan, Andrew Goldsmith
  • LIQUID SULFONYLUREA-CONTAINING HERBICIDAL COMPOSITIONS
    Publication number: 20180000069
    Abstract: This invention relates to a liquid herbicidal composition comprising a non-aqueous solvent system, at least one sulfonylurea herbicide and at least one inorganic salt selected from the metal carbonates and metal phosphates. The invention also relates to the use of an inorganic salt selected from the metal carbonates and metal phosphates to improve chemical stabilisation of a sulfonylurea herbicide in a liquid composition comprising a non-aqueous solvent system.
    Type: Application
    Filed: December 21, 2015
    Publication date: January 4, 2018
    Applicants: Mitsui AgriScience International S.A./N.V., Battelle UK Limited
    Inventors: Oliver Egan, Andrew Goldsmith
  • Process for the preparation of iosimenol
    Patent number: 8680334
    Abstract: A process for the preparation of iosimenol comprising reacting 5,5?-[(1,3-dioxo-1,3-propanediyl)diimino]bis[N-(2,3-dihydroxypropyl)-2,4,6-triiodo-1,3-benzenedicarboxamide] (C-VI) with a 3-halo-1,2-propanediol in an aqueous solvent. A process for the preparation of C-VI comprising reacting 3,3?-[(1,3-dioxo-1,3-propanediyl)diimino]bis[5-(aminocarbonyl)-2,4,6-triiodobenzoyl chloride] (C-V) with 3-amino-1,2-propanediol in the presence of an inorganic base and a suitable non-aqueous polar solvent. A process for the preparation of C-V comprising reacting 3-amino-5-(aminocarbonyl)-2,4,6-triiodobenzoyl chloride (C-IV) with malonyl dichloride in a solvent comprising a suitable ester solvent, a suitable nitrile solvent or mixtures thereof.
    Type: Grant
    Filed: February 21, 2013
    Date of Patent: March 25, 2014
    Assignee: Mallinckrodt LLC
    Inventors: Allan R. Bailey, Michelle M. Jones, Mills T. Kneller, Alexander N. Petrov, David H. White, Oliver Egan, Fiona Rooney
  • Process for the Preparation of Iosimenol
    Publication number: 20130261338
    Abstract: A process for the preparation of iosimenol comprising reacting 5,5?-[(1,3-dioxo-1,3-propanediyl)diimino]bis[N-(2,3-dihydroxypropyl)-2,4,6-triiodo-1,3-benzenedicarboxamide] (C-VI) with a 3-halo-1,2-propanediol in an aqueous solvent. A process for the preparation of C-VI comprising reacting 3,3?4(1,3-dioxo-1,3-propanediyl)diimino]bis[5-(aminocarbonyl)-2,4,6-triiodobenzoyl chloride] (C-V) with 3-amino-1,2-propanediol in the presence of an inorganic base and a suitable non-aqueous polar solvent. A process for the preparation of C-V comprising reacting 3-amino-5-(aminocarbonyl)-2,4,6-triiodobenzoyl chloride (C-IV) with malonyl dichloride in a solvent comprising a suitable ester solvent, a suitable nitrile solvent or mixtures thereof.
    Type: Application
    Filed: February 21, 2013
    Publication date: October 3, 2013
    Applicant: Mallinckrodt LLC
    Inventors: Allan R. Bailey, Michelle M. Jones, Mills T. Kneller, Alexander N. Petrov, David H. White, Oliver Egan, Fiona Rooney
  • Process for the preparation of iosimenol
    Patent number: 8445725
    Abstract: A process for the preparation of iosimenol comprising reacting 5,5?-[(1,3-dioxo-1,3-propanediyl)diimino]bis[N-(2,3-dihydroxypropyl)-2,4,6-triiodo-1,3-benzenedicarboxamide] (C-VI) with a 3-halo-1,2-propanediol in an aqueous solvent. A process for the preparation of C-VI comprising reacting 3,3?-[(1,3-dioxo-1,3-propanediyl)diimino]bis[5-(aminocarbonyl)-2,4,6-triiodobenzoyl chloride] (C-V) with 3-amino-1,2-propanediol in the presence of an inorganic base and a suitable non-aqueous polar solvent. A process for the preparation of C-V comprising reacting 3-amino-5-(aminocarbonyl)-2,4,6-triiodobenzoyl chloride (C-IV) with malonyl dichloride in a solvent comprising a suitable ester solvent, a suitable nitrile solvent or mixtures thereof.
    Type: Grant
    Filed: January 14, 2009
    Date of Patent: May 21, 2013
    Assignee: Mallinckrodt LLC
    Inventors: Allan R. Bailey, Michelle M. Jones, Mills T. Kneller, Alexander N. Petrov, David H. White, Oliver Egan, Fiona Rooney
  • Process for the Prepartion of Iosimenol
    Publication number: 20100280270
    Abstract: A process for the preparation of iosimenol comprising reacting 5,5?-[(1,3-dioxo-1,3-propanediyl)diimino]bis[N-(2,3-dihydroxypropyl)-2,4,6-triiodo-1,3-benzenedicarboxamide] (C-VI) with a 3-halo-1,2-propanediol in an aqueous solvent. A process for the preparation of C-VI comprising reacting 3,3?-[(1,3-dioxo-1,3-propanediyl)diimino]bis[5-(aminocarbonyl)-2,4,6-triiodobenzoyl chloride] (C-V) with 3-amino-1,2-propanediol in the presence of an inorganic base and a suitable non-aqueous polar solvent. A process for the preparation of C-V comprising reacting 3-amino-5-(aminocarbonyl)-2,4,6-triiodobenzoyl chloride (C-IV) with malonyl dichloride in a solvent comprising a suitable ester solvent, a suitable nitrile solvent or mixtures thereof.
    Type: Application
    Filed: January 14, 2009
    Publication date: November 4, 2010
    Inventors: Allan R. Bailey, Michelle M. Jones, Mills T. Kneller, Alexander N. Petrov, David H. White, Oliver Egan, Fiona Rooney