Patents by Inventor Manfred Kalt

Manfred Kalt 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).

  • Polymeric Material for Taking a Dental Impression and Method Thereof
    Publication number: 20140134572
    Abstract: A polymeric material is curable from an uncured state to a cured state and includes at least one finely dispersed filler. The material has in the cured state, a translucency in the range of about 30% to about 100%, and shore A hardness according to DIN 53505:1984 in the range of about 20 to about 70 and a tensile strength according to DIN 53504:1994 in the range of about 1.5 MPa to about 4.5 MPa. The material has in the uncured state, a consistency according to DIN ISO 4823:2000 of type 0 to 3.
    Type: Application
    Filed: January 17, 2014
    Publication date: May 15, 2014
    Applicant: COLTENE AG
    Inventors: Stephan Lampl, Dierk Lubbers, Ralf Kollefrath, Manfred Kalt
  • Hardenable dental material
    Patent number: 7998264
    Abstract: A hardenable dental material, exhibiting a reflectivity in the hardened state of preferably more than about 70%, measured according to EN ISO 2813 (1999) with an angle of incidence of 60°. The material provides for improved visual readability in the hardened state.
    Type: Grant
    Filed: May 2, 2006
    Date of Patent: August 16, 2011
    Assignee: Coltene Whaledent AG
    Inventors: Dierk Lubbers, Ralf Kollefrath, Manfred Kalt
  • Hardenable dental material
    Publication number: 20070154861
    Abstract: A hardenable dental material, exhibiting a reflectivity in the hardened state of preferably more than about 70%, measured according to EN ISO 2813 (1999) with an angle of incidence of 600. The material provides for improved visual readability in the hardened state.
    Type: Application
    Filed: May 2, 2006
    Publication date: July 5, 2007
    Inventors: Dierk Lubbers, Ralf Kollefrath, Manfred Kalt