Patents by Inventor Christof Hasler

Christof Hasler 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).

  • Encapsulated phenolic antioxidants
    Patent number: 8580876
    Abstract: The present invention pertains to a concentrated aqueous polymer dispersion with an average particle size of less than 1000 nm comprising a polymer carrier, a non-polar organic phenolic antioxidant and a surfactant. The present invention also pertains to a process for the preparation of said concentrated aqueous polymer dispersion, to a polymer powder obtainable from said concentrated aqueous polymer dispersion, to a composition comprising an organic material and said concentrated aqueous polymer dispersion or said polymer powder and to the use of said concentrated aqueous polymer dispersion or said polymer powder as stabilizer for organic material.
    Type: Grant
    Filed: July 27, 2010
    Date of Patent: November 12, 2013
    Assignee: BASF SE
    Inventors: Frank Oliver Heinrich Pirrung, Clemens Auschra, Christof Hasler
  • ENCAPSULATED PHENOLIC ANTIOXIDANTS
    Publication number: 20120129995
    Abstract: The present invention pertains to a concentrated aqueous polymer dispersion with an average particle size of less than 1000 nm comprising a polymer carrier, a non-polar organic phenolic antioxidant and a surfactant. The present invention also pertains to a process for the preparation of said concentrated aqueous polymer dispersion, to a polymer powder obtainable from said concentrated aqueous polymer dispersion, to a composition comprising an organic material and said concentrated aqueous polymer dispersion or said polymer powder and to the use of said concentrated aqueous polymer dispersion or said polymer powder as stabiliser for organic material.
    Type: Application
    Filed: July 27, 2010
    Publication date: May 24, 2012
    Applicant: BASF SE
    Inventors: Frank Oliver Heinrich Pirrung, Clemens Auschra, Christof Hasler