Patents by Inventor Vlker Schwendemann

Vlker Schwendemann 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).

  • Publication number: 20100168260
    Abstract: The present invention relates to a porous material comprising (a) an erodible open-cell foam with a density in the range from 5 to 1,000 kg/m3 and with an average pore diameter in the range from 1 ?m to 1 mm, (b) a polymer matrix which is water-soluble or water-swellable or readily erodible, (c) an active ingredient selected from the group of surfactants, organic solvents, complexing agents, and bleaching agents, wherein said active ingredient (c) is absorbed by or dissolved in said polymer matrix (b) or chemically linked to said polymer matrix (b).
    Type: Application
    Filed: January 5, 2007
    Publication date: July 1, 2010
    Applicant: BASF SE
    Inventors: Stefan Frenzel, Denis Alfred Gonzales, Iris Bogaerts, Karl Häberle, Wolfgang Schrof, Vlker Schwendemann