Patents by Inventor Andre Litzler

Andre Litzler 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).

  • Acylphosphine oxide photoinitiators in methacrylate casting resins
    Publication number: 20030164580
    Abstract: A photopo1ymerisation process for the production of mouldings from methacrylate casting resins wherein 1) a methacrylate casting resin formulation containing (A1)>50% methyl methacrylate and/or a prepolymerisate containing a high proportion of methyl methacrylate, (A2) 0 to 40% other monomers than can be copolymerised with methyl methacrylate, (B) 0.1 to 10% at least one mono- or bis-acyiphosphine oxide photoinitiator, C) 0 to 10% other photoinitiators, D) 0 to 5% thermal initiators and E) optionally further customary additives is cast in a mould and 2) is fully cured by irradiation with a light source in the range of from 200 to 800 nm to form a mechanically stable moulding.
    Type: Application
    Filed: March 10, 2003
    Publication date: September 4, 2003
    Inventors: Karsten Rinker, Clemens Auschra, Tunja Jung, Reiner Jahn, Andre Litzler
  • Photoinitiator combinations
    Publication number: 20010036978
    Abstract: Photoinitiator combinations comprising
    Type: Application
    Filed: March 28, 2001
    Publication date: November 1, 2001
    Inventors: Manfred Kohler, Jean-Pierre Wolf, Andre Litzler, Guido Tolotti, Nils Hoeck