Case T-47/10: Judgment of the General Court of 15 July 2015 — Akzo Nobel and Others v Commission (Competition — Agreements, decisions and concerted practices — European markets in heat stabilisers — Decision finding two infringements of Article 81 EC and Article 53 of the EEA Agreement — Price fixing, market allocation and exchange of commercially sensitive information — Duration of the infringements — Limitation period — Duration of the administrative procedure — Reasonable time — Rights of the defence — Attribution of the infringements — Infringements committed by the subsidiaries, by a partnership without legal personality of its own and by a subsidiary — Calculation of the amount of the fines)