Patents by Inventor Martina Furrer

Martina Furrer 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 the selective meta-chlorination of alkylanilines
    Patent number: 9193667
    Abstract: A process for the chlorination of alkylanilines is provided allowing a highly selective chlorination in the meta-position of the aromatic ring. This is achieved by reacting a mixture comprising the alkylaniline and sulfuric acid with chlorine. This process allows a meta-chlorination with a selectivity of more than 90%.
    Type: Grant
    Filed: August 16, 2011
    Date of Patent: November 24, 2015
    Assignee: LONZA LTD.
    Inventors: Nikolaus Bieler, Stefan Ellinger, Martina Furrer, Viktor Ladnak, Constanze Müller, Leo Schmid, Cornelia Zur Täschler
  • PROCESS FOR THE SELECTIVE META-CHLORINATION OF ALKYLANILINES
    Publication number: 20130338400
    Abstract: A process for the chlorination of alkylanilines is provided allowing a highly selective chlorination in the meta-position of the aromatic ring. This is achieved by reacting a mixture comprising the alkylaniline and sulfuric acid with chlorine. This process allows a meta-chlorination with a selectivity of more than 90%.
    Type: Application
    Filed: August 16, 2011
    Publication date: December 19, 2013
    Applicant: Lonza Ltd.
    Inventors: Nikolaus Bieler, Stefan Ellinger, Martina Furrer, Viktor Ladnak, Constanze Müller, Leo Schmid, Cornelia Zur Täschler