Patents by Inventor Olga Pinneker

Olga Pinneker 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 the stabilization of polyvinylpyrrolidones
    Patent number: 8524827
    Abstract: Method for stabilizing polyvinylpyrrolidones, which comprises treating the polyvinylpyrrolidones with sulfur dioxide, sulfurous acid or alkali metal sulfites and then with free-radical scavenger, and converting the solutions treated in this way into the powdered polyvinylpyrrolidones by drying.
    Type: Grant
    Filed: February 8, 2006
    Date of Patent: September 3, 2013
    Assignee: BASF SE
    Inventors: Karl Kolter, Ivette Garcia Castro, Olga Pinneker, Ralf Widmaier, Karl-Hermann Strube, Bernhard Fussnegger, Manfred Kroll, Frank Höfer, Hermann Ascherl, Peter Schmidt
  • COSMETIC AGENTS BASED ON VINYLIMIDAZOLE POLYMERS
    Publication number: 20100189664
    Abstract: The present invention relates to aqueous or aqueous-alcoholic compositions comprising at least one cationic polymer a) and at least one polymer b) with a molecular weight Mw of at most 200 000 g/mol which comprises N-vinylimidazole in copolymerized form, to methods for producing such compositions and to the use of such compositions in cosmetics.
    Type: Application
    Filed: July 7, 2008
    Publication date: July 29, 2010
    Applicant: BASF SE
    Inventors: Ivette G. Castro, Gabi Winter, Olga Pinneker, Claudia Wood
  • CATIONIC CONDITIONING AGENT
    Publication number: 20100119468
    Abstract: The present invention relates to compositions comprising at least one polymer a) having cationic and/or cationogenic groups and a molecular weight Mw in the range from 10 000 to 5 million and at least one polymer b) which has been prepared in the presence of polymer a).
    Type: Application
    Filed: January 31, 2008
    Publication date: May 13, 2010
    Applicant: BASF SE
    Inventors: Ivette Garcia Castro, Hubertus Peter Bell, Olga Pinneker, Claudia Wood, Gabi Winter, Nicole Meier
  • 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
  • Thickeners Based on Polymers Comprising Amine Groups
    Publication number: 20080182773
    Abstract: The invention relates to the use of mixtures of polymers comprising amine groups and polymers comprising amide groups for modifying the rheology of compositions comprising water, and to rheology modifying methods. In particular, the invention relates to the use of these mixtures for the thickening of compositions comprising water for cosmetic, human and animal nutrition, dermatology, pharmacy and detergents and cleaners, crop protection, surface modification and during petroleum production, such as, for example, enhanced oil recovery.
    Type: Application
    Filed: March 23, 2006
    Publication date: July 31, 2008
    Applicant: BASF Aktiengesellschaft
    Inventors: Werner Gauweiler, Volker Braig, Ivette Garcia Castro, Son Nguyen-Kim, Matthias Laubender, Marcus Guzmann, Olga Pinneker
  • Method For the Stabilization of Polyvinylpyrrolidones
    Publication number: 20080139724
    Abstract: Method for stabilizing polyvinylpyrrolidones, which comprises treating the polyvinylpyrrolidones with sulfur dioxide, sulfurous acid or alkali metal sulfites and then with free-radical scavenger, and converting the solutions treated in this way into the powdered polyvinylpyrrolidones by drying.
    Type: Application
    Filed: February 8, 2006
    Publication date: June 12, 2008
    Applicant: BASF AKTIENGESELLSCHAFT
    Inventors: Karl Kolter, Ivette Garcia Castro, Olga Pinneker, Ralf Widmaier, Karl-Hermann Strube, Bernhard Fussnegger, Manfred Kroll, Frank Hofer, Hermann Ascherl, Peter Schmidt
  • 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