Patents by Inventor Keya Ghosh

Keya Ghosh 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).

  • Method for producing ketones from carboxylic acid anhydrides
    Patent number: 6864394
    Abstract: The invention relates to a method for producing ketones by reacting boric acid derivates with carbocylic acid anhydrides in the presence of a transition metal catalyst. The carboxylic acid anhydrides can either be used in isolated form or produced from carboxylic acids in a reaction mixture. This method enables the simple embodiment of a multitude of functionalized ketones in a single reaction step.
    Type: Grant
    Filed: May 8, 2002
    Date of Patent: March 8, 2005
    Assignee: Studiengesellschaft Kohle mbH
    Inventors: Lukas Goossen, Keya Ghosh
  • Method for producing ketones from carboxylic acid anhydrides
    Publication number: 20040186321
    Abstract: The invention relates to a method for producing ketones by reacting boric acid derivates with carbocylic acid anhydrides in the presence of a transition metal catalyst. The carboxylic acid anhydrides can either be used in isolated form or produced from carboxylic acids in a reaction mixture. This method enables the simple embodiment of a multitude of functionalised ketones in a single reaction step.
    Type: Application
    Filed: May 25, 2004
    Publication date: September 23, 2004
    Inventors: Lukas Goossen, Keya Ghosh