Priority Date: 11.07.12 (US 201213546552)

COMPOSITIONS AND METHODS FOR SELECTIVE POLISHING OF SILICON NITRIDE MATERIALS

  • Application ID: EP13817494
  • Status: GRANT OF PATENT INTENDED

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Specialization

This EP application has the IPC class C09 (DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR) and H01 (BASIC ELECTRIC ELEMENTS). We found, that Engel Patentanwaltskanzlei, Hoffmann Eitle PartmbB, Ter Meer Steinmeister & Partner PartGmbB, Stolmár & Partner Patentanwälte PartG mbB, Abrema Agence Brevets & Marques and 28 others are specialized in this combination either. For a similar patent, they might be a good choice.

Timeline

  • 11.07.2012 - Priority Date (US 201213546552)
  • 16.01.2014 - Publication A1 (WO2014011678)
  • 20.05.2015 - Publication A1 (EP2872585)

IPC Classification