Patents by Inventor Robert Wengeler

Robert Wengeler 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).

  • Patent number: 9011979
    Abstract: The present invention relates to a process for producing polymer-containing coatings for surfaces by in situ precipitation of calcium carbonate. The invention is additionally directed to the polymer-containing coating as such and to surfaces to which such polymer-containing coatings have been applied. The polymer-containing coatings preferably have antibacterial action.
    Type: Grant
    Filed: November 26, 2010
    Date of Patent: April 21, 2015
    Assignee: BASF SE
    Inventors: Sabrina Montero Pancera, Robert Wengeler
  • Publication number: 20140335173
    Abstract: The present invention relates to novel release capsules, particularly for protecting moisture-sensitive materials, particularly compositions for production of chlorine dioxide. The invention also relates to methods of manufacture of such release capsules, uses of such release capsules, and products comprising them.
    Type: Application
    Filed: November 27, 2012
    Publication date: November 13, 2014
    Inventors: Robert Wengeler, Jing Dreher, Andrew Patrick Full
  • Patent number: 8865115
    Abstract: The present invention relates to a process for the preparation of nanoparticulate zinc oxide in the form of aqueous suspensions or in the form of pulverulent solid. Furthermore, the invention relates to the use of zinc oxide particles and suspensions prepared in this way in cosmetic sunscreen preparations, as stabilizer in plastics, in paints, in coatings and as antimicrobial active ingredient.
    Type: Grant
    Filed: July 30, 2009
    Date of Patent: October 21, 2014
    Assignee: BASF SE Ludwigshafen
    Inventors: Bernd Bechtloff, Lars Vicum, Hartwig Voβ, Robert Wengeler, Andrey Karpov, Jing Dreher, Valerie Andre
  • Patent number: 8299207
    Abstract: A process for removing residual monomers from water-absorbing polymer particles, wherein the water-absorbing polymer particles are thermally aftertreated in a mixer with rotating mixing tools at a temperature of at least 60° C. in the presence of water vapor.
    Type: Grant
    Filed: March 23, 2011
    Date of Patent: October 30, 2012
    Assignee: BASF SE
    Inventors: Robert Wengeler, Karin Flore
  • Publication number: 20120263973
    Abstract: The present invention relates to a process for producing polymer-containing coatings for surfaces by in situ precipitation of calcium carbonate. The invention is additionally directed to the polymer-containing coating as such and to surfaces to which such polymer-containing coatings have been applied. The polymer-containing coatings preferably have antibacterial action.
    Type: Application
    Filed: November 26, 2010
    Publication date: October 18, 2012
    Applicant: BASF SE
    Inventors: Sabrina Montero Pancera, Robert Wengeler
  • Publication number: 20110237767
    Abstract: A process for removing residual monomers from water-absorbing polymer particles, wherein the water-absorbing polymer particles are thermally aftertreated in a mixer with rotating mixing tools at a temperature of at least 60° C. in the presence of water vapor.
    Type: Application
    Filed: March 23, 2011
    Publication date: September 29, 2011
    Applicant: BASF SE
    Inventors: Robert Wengeler, Karin Flore
  • Publication number: 20110152433
    Abstract: The present invention relates to a process for the preparation of nanoparticulate zinc oxide in the form of aqueous suspensions or in the form of pulverulent solid. Furthermore, the invention relates to the use of zinc oxide particles and suspensions prepared in this way in cosmetic sunscreen preparations, as stabilizer in plastics, in paints, in coatings and as antimicrobial active ingredient.
    Type: Application
    Filed: July 30, 2009
    Publication date: June 23, 2011
    Applicant: BASF SE
    Inventors: Bernd Bechtloff, Lars Vicum, Hartwig Voss, Robert Wengeler, Andrey Karpov, Jing Dreher, Valerie Andre