Patents by Inventor Erik Bohrer

Erik Bohrer 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).

  • Processes for reducing the fouling of surfaces
    Patent number: 10850238
    Abstract: Process for reducing the fouling of a surface O, wherein an aqueous solution S of at least one polymer P comprising styrene and at least one ester E of (meth)acrylic acid and polyethylene oxide in a molar ratio of 0.05:1 to 50:1 is applied to said surface O.
    Type: Grant
    Filed: April 12, 2016
    Date of Patent: December 1, 2020
    Assignee: SOLENIS TECHNOLOGIES, L.P.
    Inventors: Rupert Konradi, Cristina Cepraga, Claudia Staudt, Bernhard Von Vacano, Matthias Kellermeier, Peter Stengel, Roelf-Peter Baumann, Laurent Marty, Jelan Kuhn, Sarah-Jane Schauksdat, Ludger Wegmann, Erik Bohrer
  • PROCESSES FOR REDUCING THE FOULING OF SURFACES
    Publication number: 20180056245
    Abstract: Process for reducing the fouling of a surface O, wherein an aqueous solution S of at least one polymer P comprising styrene and at least one ester E of (meth)acrylic acid and polyethylene oxide in a molar ratio of 0.05:1 to 50:1 is applied to said surface O.
    Type: Application
    Filed: April 12, 2016
    Publication date: March 1, 2018
    Applicant: BASF SE
    Inventors: Rupert KONRADI, Cristina CEPRAGA, Claudia STAUDT, Bernhard Ulrich VON VACANO, Matthias KELLERMEIER, Peter STENGEL, Peter BAUMANN, Laurent MARTY, Jelan KUHN, Sarah-Jane SCHAUKSDAT, Ludger WEGMANN, Erik BOHRER
  • Process for the preparation of low-peroxide crosslinked vinyllactam polymer
    Patent number: 8623978
    Abstract: Process for the preparation of low-peroxide crosslinked vinyllactam polymer by free-radical polymerization in the presence of at least one organic substance acting as antioxidant, low-peroxide crosslinked vinyllactam polymer obtainable by this process, and its use.
    Type: Grant
    Filed: November 23, 2011
    Date of Patent: January 7, 2014
    Assignee: BASF SE
    Inventors: Frank Fischer, Erik Bohrer, Angelika Maschke, Karl Kolter, Michael Kerber
  • USE OF A COMPOSITION COMPRISING VINYL MONOMER-COMPRISING POLYMER, SOLVENT AND AT LEAST ONE HALOGEN-FREE BIOCIDE
    Publication number: 20130108959
    Abstract: Use of a composition comprising vinyl monomer-comprising polymer, aqueous solvent and at least one biocide, wherein the biocide is halogen-free and soluble in the composition, for preparations in the field of laundry detergents and cleaners, membranes, gas hydrate inhibitors, ceramics, photoresists, gels, surface coatings, film coatings, displays, metalworking and metal production.
    Type: Application
    Filed: October 25, 2012
    Publication date: May 2, 2013
    Inventors: Stephan Bauer, Frank Fischer, Erik Bohrer
  • PROCESS FOR THE PREPARATION OF LOW-PEROXIDE CROSSLINKED VINYLLACTAM POLYMER
    Publication number: 20120130028
    Abstract: Process for the preparation of low-peroxide crosslinked vinyllactam polymer by free-radical polymerization in the presence of at least one organic substance acting as antioxidant, low-peroxide crosslinked vinyllactam polymer obtainable by this process, and its use.
    Type: Application
    Filed: November 23, 2011
    Publication date: May 24, 2012
    Applicant: BASF SE
    Inventors: Frank Fischer, Erik Bohrer, Angelika Maschke, Karl Kolter, Michael Kerber
  • AQUEOUS METAL QUENCHING MEDIUM
    Publication number: 20120118446
    Abstract: Aqueous metal quenching media comprising vinyllactam/acrylamide copolymers
    Type: Application
    Filed: November 15, 2011
    Publication date: May 17, 2012
    Applicant: BASF SE
    Inventors: Frank FISCHER, Stephan Bauer, Erik Bohrer, Ludger Wegmann, Antonietta Mauri
  • 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