Patents by Inventor Peter Mendera

Peter Mendera 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).

  • Stabilisation of aqueous solutions of homopolymers and copolymers of N-vinylpyrrolidones
    Patent number: 7666935
    Abstract: Aqueous solutions comprising: one or more polymeric components selected from the group consisting of homopolymers of N-vinylpyrrolidone, copolymers of N-vinylpyrrolidone, and mixtures thereof; and hydrogen peroxide; wherein the hydrogen peroxide is present in an amount of 100 to 5000 ppm; and methods of stabilizing aqueous solutions containing one or more polymeric components selected from the group consisting of homopolymers of N-vinylpyrrolidone, copolymers of N-vinylpyrrolidone, and mixtures thereof.
    Type: Grant
    Filed: October 6, 2005
    Date of Patent: February 23, 2010
    Assignee: BASF SE
    Inventors: Erik Bohrer, Dieter Faul, Ivette Garcia Castro, Norbert Gebhardt, Peter Hössel, Peter Mendera, Olga Pinneker, Bernd de Potzolli, Stefan Stein, Karl-Hermann Strube, Ralf Widmaier, Josef Neutzner, Simone Lehnert
  • Stabilisation of Aqueous Solutions of Homopolymers and Copolymers of N-Vinylpyrrolidones
    Publication number: 20080033091
    Abstract: Aqueous solutions comprising: one or more polymeric components selected from the group consisting of homopolymers of N-vinylpyrrolidone, copolymers of N-vinylpyrrolidone, and mixtures thereof; and hydrogen peroxide; wherein the hydrogen peroxide is present in an amount of 100 to 5000 ppm; and methods of stabilizing aqueous solutions containing one or more polymeric components selected from the group consisting of homopolymers of N-vinylpyrrolidone, copolymers of N-vinylpyrrolidone, and mixtures thereof.
    Type: Application
    Filed: October 6, 2005
    Publication date: February 7, 2008
    Applicant: BASF Aktiengesellschaft
    Inventors: Erik Bohrer, Dieter Faul, Ivette Castro, Norbert Gebhardt, Peter Hossel, Peter Mendera, Olga Pinneker, Bernd de Potzolli, Stefan Stein, Karl-Hermann Strube, Ralf Widmaier, Josef Neutzner, Simone Lehnert