Patents by Inventor Natalie Christina Rüittmann

Natalie Christina Rüittmann 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 manufacture of hydroxylated isoflavones
    Patent number: 7820836
    Abstract: A process for the preparation of hydroxylated isoflavones by reacting in a Hoesch reaction using an alkanoic acid alkyl ester as solvent a phenol with a phenylacetonitrile to yield a 1,2-diphenyl-ethanone and transforming the ethanone into an isoflavone by well-known methods.
    Type: Grant
    Filed: April 10, 2006
    Date of Patent: October 26, 2010
    Assignee: DSM IP Assets B.V.
    Inventors: August Rüttimann, Edith Maria Rüittmann-Wechsler, legal representative, Natalie Christina Rüittmann, legal representative, Pascal Michael Rüittmann, legal representative, Jochen Stangl
  • Process for the Manufacture of Hydroxylated Isoflavones
    Publication number: 20090287001
    Abstract: A process for the preparation of hydroxylated isoflavones by reacting in a Hoesch reaction using an alkanoic acid alkyl ester as solvent a phenol with a phenylacetonitrile to yield a 1,2-diphenyl-ethanone and transforming the ethanone into an isoflavone by well-known methods.
    Type: Application
    Filed: April 10, 2006
    Publication date: November 19, 2009
    Inventors: August Rüttimann, Edith Maria Rüitmann-Wechsir, Natalie Christina Rüittmann, Arlesheim Rüittmann, Jochen Stangl