Patents by Inventor Kirstin MacCormick

Kirstin MacCormick 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-isochromanone
    Patent number: 6888008
    Abstract: A process for the preparation of 3-isochromanone which comprises contacting an o-xylene-?,??-dihalide with carbon monoxide, in the presence of a catalyst and a hindered amine base in a liquid medium comprising water and a tertiary alcohol.
    Type: Grant
    Filed: March 16, 2001
    Date of Patent: May 3, 2005
    Assignee: Syngenta Limited
    Inventors: Raymond Vincent Heavon Jones, Alan John Whitton, Jennifer Ann White, David John Ritchie, Robin Fieldhouse, Kirstin Maccormick, Logan Thomson Nisbet, Paul Richard Evans, Colin John Bennie
  • Process for preparing 3-isochromanone
    Publication number: 20020143193
    Abstract: A process for the preparation of 3-isochromanone which comprises contacting an o-xylene-&agr;,&agr;′-dihalide with carbon monoxide, in the presence of a catalyst and a hindered amine base in a liquid medium comprising water and a tertiary alcohol.
    Type: Application
    Filed: March 16, 2001
    Publication date: October 3, 2002
    Inventors: Raymond Vincent Heavon Jones, Alan John Whitton, Jennifer Ann White, David John Ritchie, Robin Fieldhouse, Kirstin Maccormick, Logan Thomson Nisbet, Paul Richard Evans, Colin John Bennie
  • Process for preparing 3-isochromanone
    Patent number: 6207840
    Abstract: 3-Isochromanone is prepared by contacting an o-xylene-&agr;,&agr;′-dihalide with carbon monoxide in a two-phase liquid medium, in which one phase is aqueous and the other phase is water-immiscible, in the presence of a catalyst and a hindered amine base.
    Type: Grant
    Filed: January 24, 2000
    Date of Patent: March 27, 2001
    Assignee: ZENECA Limited
    Inventors: David John Ritchie, Hannah Sallie Robertson McCann, Jennifer Ann White, Kirstin MacCormick, Raymond Vincent Heavon Jones, Robin Fieldhouse