Priority Date: 13.12.11 (FR 20110061580)

TRI-AROMATIC AZOMETHINE DIRECT DYES COMPRISING AT LEAST ONE UNIT DERIVED FROM RESORCINOL, DYEING COMPOSITION, METHOD AND USE

  • Application ID: EP12808333
  • Status: EXAMINATION IN PROGRESS

Applicant

Technology company logo small
Technology Company

Attorney

Employment test 11 - 50 employees
Company dna casalonga and partners
operating since 1867
Headquarter in Paris and 3 offices
active in Legal Services, IP Consulting, and Matchmaking and Trading

Specialization

This patent has the IPC combination A61 (MEDICAL OR VETERINARY SCIENCE; HYGIENE) and C09 (DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR) is specialized in the combination A61 and C09. We found, that Sperling Fischer & Heyner, Engel Patentanwaltskanzlei, Vossius & Partner Patentanwälte Rechtsanwälte mbB, Isenbruck Bösl Hörschler LLP, Hepp Wenger Ryffel AG and 23 others are specialized in all of these IPC classes. For a similar patent, they might be a good choice.

Timeline

  • 13.12.2011 - Priority Date (FR 20110061580)
  • 20.06.2013 - Publication A1 (WO2013087772)
  • 22.10.2014 - Publication A1 (EP2791251)