Patents by Inventor Kai Olfermann

Kai Olfermann 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: 9096697
    Abstract: Aqueous polymer dispersion as a binder for particulate and/or fibrous substrates.
    Type: Grant
    Filed: September 7, 2010
    Date of Patent: August 4, 2015
    Assignee: BASF SE
    Inventors: Kevin Mueller, Kathrin Michl, Christian Brand, Kai Olfermann
  • Publication number: 20120156467
    Abstract: Aqueous polymer dispersion as a binder for particulate and/or fibrous substrates
    Type: Application
    Filed: September 7, 2010
    Publication date: June 21, 2012
    Applicant: BASF SE
    Inventors: Kevin Mueller, Kathrin Michl, Christian Brand, Kai Olfermann
  • Patent number: 6767646
    Abstract: A process for impregnating base paper or fiber webs with an aqueous dispersion of a polymer of free-radically polymerizable compounds (monomers), which comprises from 0.1 to 5% by weight of the monomers being methacrylic acid.
    Type: Grant
    Filed: September 23, 2002
    Date of Patent: July 27, 2004
    Assignee: BASF Aktiengesellschaft
    Inventors: Hermann Seyffer, Titus Leman, Peter Claassen, Kai Olfermann, Thomas Wirth, Jürgen Schmidt-Thümmes
  • Publication number: 20030104233
    Abstract: A process for impregnating base paper or fiber webs with an aqueous dispersion of a polymer of free-radically polymerizable compounds (monomers), which comprises from 0.1 to 5% by weight of the monomers being methacrylic acid.
    Type: Application
    Filed: September 23, 2002
    Publication date: June 5, 2003
    Inventors: Hermann Seyffer, Titus Leman, Peter Claassen, Kai Olfermann, Thomas Wirth, Jurgen Schmidt-Thummes
  • Patent number: 5922434
    Abstract: The use of a copolymer consisting in polymerized form ofa) from 70 to 90% by weight of at least one C.sub.2 -C.sub.4 -olefin andb) from 10 to 30% by weight of at least one monomer selected from the group consisting of .alpha.,.beta.-mono-ethylenically unsaturated C.sub.3 -C.sub.8 -monocarboxylic acids, .alpha.,.beta.-monoethylenically unsaturated C.sub.4 -C.sub.8 -dicarboxylic acids and anhydrides of these mono- and dicarboxylic acids,as adhesion promotor between a first and a second material, the first material comprising not more than 70% by weight of at least one C.sub.2 -C.sub.4 -olefin in polymerized form and the second material comprising not less than 70% by weight of at least one C.sub.2 -C.sub.4 -olefin in polymerized form.
    Type: Grant
    Filed: July 5, 1996
    Date of Patent: July 13, 1999
    Assignee: BASF Aktiengesellschaft
    Inventors: Dieter Butterfass, Guy Frederic Mori, Kai Olfermann