Proprietary preparations

Grunenthal, which still owns the patent to tramadol, has cross-licensed the agent to various pharmaceutical companies internationally. Thus tramadol is marketed under many trade names including: Adolan, Adolonta, Anadol, Calmador, Contramal, Crispin, Lumidol, Mandolgine, Mosepan, Nobligan, Poltram, Siverol, Tiparol, Toplagic, Tradol, Tradolan, Tralgit, Tramacet, Tramacip, Tramadin, Tramal, Tramahexal, Tramazac, Trama-Klosidol, Tramedo, Ultracet, Ultram, Zamadol, Zydol and Zytram.