Case T-150/16: Judgment of the General Court of 13 July 2017 — Ecolab USA v EUIPO (ECOLAB) (EU trade mark — International registration designating the European Union — Word mark ECOLAB — Absolute ground for refusal — Descriptive character — Article 7(1)(c) of Regulation (EC) No 207/2009 — Equal treatment — Obligation to state reasons — Article 75 of Regulation No 207/2009)