Evonik Secures Legal Protection for Its 3-Stage Biogas Upgrading Process
(Bioenergy International) Germany-headed global specialty chemicals major Evonik Industries AG (Evonik) has announced that it has won two legal disputes, unquestionably securing EU and US patent rights for the company’s pioneering 3-stage biogas upgrading process with its "SEPURAN" Green membranes. In two