Patents by Inventor Claus Hoffmann

Claus Hoffmann 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).

  • Polymerized films with line texture or fingerprint texture
    Patent number: 9222024
    Abstract: The present invention relates to a process for producing polymerized films with line texture or fingerprint texture or for producing substrates coated with polymerized films with line texture or fingerprint texture, to polymerized films, obtainable by this process, with line texture or fingerprint texture or substrates coated with polymerized films with line texture or fingerprint texture, to pigments obtainable by comminuting such films, to the use of such films, substrates or pigments as or in optical filter(s), polarizers, decorative media, forgeryproof markers, reflective media or for focusing light (in solar cells), to the use of such films as an antibacterial coating, to a forgeryproof marker which comprises such a film, and to a process for detecting forgeryproof markings.
    Type: Grant
    Filed: April 20, 2011
    Date of Patent: December 29, 2015
    Assignee: BASF SE
    Inventors: Jochen Brill, Ulrich Schalkowsky, Thomas Musiol, Claus Hoffmann, Olivier Enger, Oliver Seeger
  • POLYMERIZED FILMS WITH LINE TEXTURE OR FINGERPRINT TEXTURE
    Publication number: 20110255073
    Abstract: The present invention relates to a process for producing polymerized films with line texture or fingerprint texture or for producing substrates coated with polymerized films with line texture or fingerprint texture, to polymerized films, obtainable by this process, with line texture or fingerprint texture or substrates coated with polymerized films with line texture or fingerprint texture, to pigments obtainable by comminuting such films, to the use of such films, substrates or pigments as or in optical filter(s), polarizers, decorative media, forgeryproof markers, reflective media or for focusing light (in solar cells), to the use of such films as an antibacterial coating, to a forgeryproof marker which comprises such a film, and to a process for detecting forgeryproof markings.
    Type: Application
    Filed: April 20, 2011
    Publication date: October 20, 2011
    Applicant: BASF SE
    Inventors: Jochen BRILL, Ulrich Schalkowsky, Thomas Musiol, Claus Hoffmann, Olivier Enger, Oliver Seeger