METHOD FOR PREPARING A THERMOPLASTIC POLYURETHANE OF IMPROVED YELLOWNESS INDEX, AND OPTICAL ARTICLES MADE THEREFROM

  • Application ID: EP10722445
  • Status: NO OPPOSITION FILED WITHIN TIMELIMIT

Applicant

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Technology Company

Attorney

operating since 1977
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Headquarter in Paris and 4 offices
active in Legal Services and IP Consulting

Specialization

This EP application has the IPC combination C08 (ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON) and G02 (OPTICS). We found, that Riechelmann & Carlsohn GbR, Hoffmann Eitle PartmbB, Ter Meer Steinmeister & Partner PartGmbB, Freischem & Partner Patentanwälte mbB, Twelmeier Mommer & Partner and 12 others are specialized in this combination either. For a similar patent, they might be a good choice.

Timeline

  • 01.12.2011 - Publication A1 (WO2011149445)
  • 10.04.2013 - Publication A1 (EP2576678)
  • 02.12.2015 - Publication B1 (EP2576678)

IPC Classification