Patents by Inventor Alexey Victorovitch Ignatchenko

Alexey Victorovitch Ignatchenko 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 preparing 3-methyltetrahydrofuran
    Patent number: 6812354
    Abstract: Disclosed is a process for the preparation of 3-methyltetrahydrofuran (MeTHF) from 3-(hydroxymethyl)tetrahydrofuran (HOMeTHF) or 3-formyltetrahydrofuran (FTHF) by contacting HOMeTHF or 3-formyltetrahydrofuran with a secondary alcohol in the presence of a hydrous zirconia catalyst.
    Type: Grant
    Filed: December 20, 2002
    Date of Patent: November 2, 2004
    Assignee: Eastman Kodak Company
    Inventors: William Anthony Beavers, Alexey Victorovitch Ignatchenko
  • Process for preparing 3-methyltetrahydrofuran
    Publication number: 20040122241
    Abstract: Disclosed is a process for the preparation of 3-methyltetrahydrofuran (MeTHF) from 3-(hydroxymethyl)tetrahydrofuran (HOMeTHF) or 3-formyltetrahydrofuran (FTHF) by contacting HOMeTHF or 3-formyltetrahydrofuran with a secondary alcohol in the presence of a hydrous zirconia catalyst.
    Type: Application
    Filed: December 20, 2002
    Publication date: June 24, 2004
    Inventors: William Anthony Beavers, Alexey Victorovitch Ignatchenko
  • Process for preparing alpha- and beta- methyl-gamma-butyrolactone and 3-methyltetrahydrofuran
    Publication number: 20040119052
    Abstract: The present invention pertains to a novel process for preparing alpha- and beta-methyl-gamma-butyrolactones (MeGBL) and/or 3-Methyltetrahydrofuran (MeTHF) from 3-(hydroxymethyl)tetrahydrofuran (HOMeTHF), 3-formyltetrahydrofuran (FTHF) or a mixture thereof by contacting HOMeTHF, FTHF, or a mixture thereof with a catalyst comprising copper on hydrous zirconia under conditions of temperature and pressure conducive to the formation of MeGBL and/or MeTHF The process may be performed in the presence of an inert atmosphere and/or hydrogen gas. Further, the process may be performed in the presence of a secondary alcohol.
    Type: Application
    Filed: December 20, 2002
    Publication date: June 24, 2004
    Inventors: William Anthony Beavers, Alexey Victorovitch Ignatchenko
  • Process for the preparation of 3-methyltetrahydrofuran
    Patent number: 6521765
    Abstract: Disclosed is a process for the preparation of 3-methyltetrahydrofuran (MeTHF) from 3-(hydroxymethyl)tetrahydrofuran (HOMeTHF) by contacting HOMeTHF with hydrogen in the presence of an acidic, supported catalyst comprising a Group VIII metal.
    Type: Grant
    Filed: April 18, 2002
    Date of Patent: February 18, 2003
    Assignee: Eastman Chemical Company
    Inventors: Alexey Victorovitch Ignatchenko, William Anthony Beavers, Zhufang Liu