Russian company becomes shareholder in gas to feed protein player Unibio Under a new agreement, Stafilies, the parent company of Russian based Uniprotein production licensee, Protelux, will buy a shareholding in Danish feed protein player, Unibio, in exchange for cash and intellectual property. The intellectual property includes all of the knowledge gained over the past five years of how to install and operate industrial-scale production of Uniprotein, the methane gas to feed protein product pioneered by Unibio. The Danish company said it has also secured an option to acquire a stake in Protelux in the future. The agreement, said Unibio, is about deepening an existing commercial relationship between the parties.