Case T-120/04: Judgment of the Court of First Instance of 16 November 2006 — Peróxidos Orgánicos v Commission (Competition — Agreements, decisions and concerted practices — Organic peroxides — Fines — Article 81 EC — Regulation (EEC) No 2988/74 — Limitation period — Duration of the infringement — Apportionment of the burden of proof — Equal treatment)