Priority Date: 14.10.11 (US 201161547081P)

FINELY DIVIDED, STARCH-CONTAINING POLYMER DISPERSIONS, PROCESSES FOR THEIR PREPARATION AND USE AS SIZES IN PAPERMAKING

  • Application ID: EP12772320
  • Status: PATENT GRANTED

Applicant

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Specialization

This patent has the IPC combination C08 (ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON) and D21 (PAPER-MAKING; PRODUCTION OF CELLULOSE) is specialized in the combination C08 and D21. We found, that Maiwald Patentanwalts GmbH, EDP Patent Attorneys B.V., CPW GmbH, Tampereen Patenttitoimisto Oy, Novitas Patent AB and 2 others are specialized in all of these IPC classes. For a similar patent, they might be a good choice.

Timeline

  • 14.10.2011 - Priority Date (US 201161547081P)
  • 18.04.2013 - Publication A2 (WO2013053840)
  • 20.08.2014 - Publication A2 (EP2766403)
  • 24.08.2016 - Publication B1 (EP2766403)