Priority Date: 10.05.07 (US 20070917316P)

Process for the preparation of copolyesters based on 2,2,4,4-tetramethyl-1,3-cyclobutane diol and 1,4-cyclohexanedimethanol

  • Application ID: EP14001904
  • Status: PATENT GRANTED

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This patent has the IPC class C08 (ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON) Wallinger Ricker Schlotter Tostmann Patent- und Rechtsanwälte Partnerschaft mbB is specialized in C08. Here you find a list of all patent agent firms which are specialized in this IPC class. For a similar patent, they might be a good choice.

Timeline

  • 10.05.2007 - Priority Date (US 20070917316P)
  • 15.10.2014 - Publication A2 (EP2789639)
  • 07.01.2015 - Publication A3 (EP2789639)
  • 25.01.2017 - Publication B1 (EP2789639)

IPC Classification