Main pagePress roomNewsGiprotyumenneftegaz has been granted a patent for the invention "Method of hydrocarbon gas treatment for transportation" Giprotyumenneftegaz has been granted a patent for the invention "Method of hydrocarbon gas treatment for transportation" September 10, 2015 Subscribe Giprotyumenneftegaz has been granted a patent for the invention "Method of hydrocarbon gas treatment for transportation" Giprotyumenneftegaz has been granted a patent for the invention "Method of hydrocarbon gas treatment for transportation". Top