Priority Date: 12.07.12 (US 201261670821P)

TWO-STEP SULFONATION PROCESS FOR THE CONVERSION OF POLYMER FIBERS TO CARBON FIBERS

  • Application ID: EP13739326
  • Status: PATENT GRANTED

Applicant

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Specialization

This EP application has the IPC class D01 (NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING). 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

  • 12.07.2012 - Priority Date (US 201261670821P)
  • 16.01.2014 - Publication A1 (WO2014011460)
  • 20.05.2015 - Publication A1 (EP2872681)
  • 01.03.2017 - Publication B1 (EP2872681)

IPC Classification