Patents by Inventor Thierry Blum

Thierry Blum 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: 7641765
    Abstract: Paper coated with a coating slip containing at least one optical brightener is produced by a process in which base paper or precoated paper is treated, before application of the coating slip containing optical brightener, with at least one substance which enhances the efficiency of optical brighteners.
    Type: Grant
    Filed: August 7, 2002
    Date of Patent: January 5, 2010
    Assignee: BASF Aktiengesellschaft
    Inventors: Thierry Blum, Friedrich Linhart, Stephan Frenzel
  • Patent number: 6969444
    Abstract: Paper coating slips whose additives comprise addition polymers or copolymers containing N-vinylformamide in (co)polymerized form, and their use.
    Type: Grant
    Filed: November 2, 2001
    Date of Patent: November 29, 2005
    Assignee: BASF Aktiengesellschaft
    Inventors: Friedrich Linhart, Bernd Dirks, Heinrich Ullrich, Thierry Blum, Norbert Mahr, Stefan Frenzel, Martin Wendker
  • Publication number: 20050061461
    Abstract: Paper, board and cardboard are produced by draining a paper stock in the presence of at least one cationic polymer on a wire by a process in which a mixture of at least one substantially linear, cationic polyelectrolyte and an optical brightener is added to the paper stock before sheet formation, said mixture containing at least two parts by weight of the polyelectrolyte per part by weight of the optical brightener.
    Type: Application
    Filed: December 6, 2002
    Publication date: March 24, 2005
    Inventors: Friedrich Linhart, Thierry Blum, Ralf Hemel, Klaus Bohlmann
  • Publication number: 20040238791
    Abstract: Pigment-free mixtures, containing a) at least one optical brightener and b) at least one (co)polymer, with at least one N-vinylcarboxamide incorporated in the polymer and/or at least one nitrogen-containing heterocyclic ring and/or which may form a nitrogen-containing heterocyclic ring.
    Type: Application
    Filed: February 26, 2004
    Publication date: December 2, 2004
    Inventors: Simon Champ, Friedrich Linhart, Hans-Peter Kaub, Thierry Blum, Simon Nord
  • Publication number: 20040182533
    Abstract: Recording materials are produced by a process in which a mixture A comprising
    Type: Application
    Filed: February 13, 2004
    Publication date: September 23, 2004
    Inventors: Thierry Blum, Friedrich Linhart, Hans-Peter Kaub, Simon Champ, Martin Wendker, Dieter Meck, Steffen Geiger
  • Publication number: 20040154764
    Abstract: Paper coated with a coating slip containing at least one optical brightener is produced by a process in which base paper or precoated paper is treated, before application of the coating slip containing optical brightener, with at least one substance which enhances the efficiency of optical brighteners.
    Type: Application
    Filed: February 9, 2004
    Publication date: August 12, 2004
    Inventors: Thierry Blum, Friedrich Linhart, Stefan Frenzel
  • Publication number: 20040020615
    Abstract: Paper coating slips whose additives comprise addition polymers or copolymers containing N-vinylformamide in (co)polymerized form, and their use.
    Type: Application
    Filed: May 2, 2003
    Publication date: February 5, 2004
    Inventors: Friedrich Linhart, Bernd Dirks, Heinrich Ullrich, Thierry Blum, Norbert Mahr, Stefan Franzel, Martin Wendker