Patents by Inventor Ina Herrgen

Ina Herrgen 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 acyloxy benzoic acids
    Patent number: 8907118
    Abstract: The invention relates to a method for producing acyloxy benzoic acids of the formula (I), in which R1 is a linear or branched saturated alkyl group with 6 to 30 carbon atoms, a linear or branched mono- or polyunsaturated alkenyl group with 6 to 30 carbon atoms, or an aryl group with 6 to 30 carbon atoms. The acyloxy benzoic acids of the formula (I) are produced from para-hydroxy benzoic acid and a corresponding carboxylic acid halide in the presence of an alkali hydroxide.
    Type: Grant
    Filed: August 6, 2011
    Date of Patent: December 9, 2014
    Assignee: Clariant International Ltd.
    Inventors: Melanie Sajitz, Gerd Reinhardt, Isabel Scheffer, Werner Janitschek, Ina Herrgen
  • Method For Producing Acyloxy Benzoic Acids
    Publication number: 20130217911
    Abstract: The invention relates to a method for producing acyloxy benzoic acids of the formula (I), in which R1 is a linear or branched saturated alkyl group with 6 to 30 carbon atoms, a linear or branched mono- or polyunsaturated alkenyl group with 6 to 30 carbon atoms, or an aryl group with 6 to 30 carbon atoms. The acyloxy benzoic acids of the formula (I) are produced from para-hydroxy benzoic acid and a corresponding carboxylic acid halide in the presence of an alkali hydroxide.
    Type: Application
    Filed: August 6, 2011
    Publication date: August 22, 2013
    Applicant: CLARIANT FINANCE (BVI) LIMITED
    Inventors: Melanie Sajitz, Gerd Reinhardt, Isabel Scheffer, Werner Janitschek, Ina Herrgen