ology . ▁Ober bru ch ▁Indust ry ▁Park ▁is ▁the ▁compet ency ▁center ▁for ▁carbon ▁( fi ber ) ▁technology ▁in ▁North ▁Rh ine - West phal ia ▁( NR W ). ▁Since ▁ 2 0 0 0 , ▁the ▁industry ▁park ▁has ▁been ▁operated ▁by ▁the ▁Dutch ▁energy ▁company ▁Nu on , ▁the ▁first ▁independent ▁industrial ▁park ▁operator ▁not ▁to ▁come ▁from ▁the ▁chemical ▁industry . ▁Since ▁January ▁ 7 , ▁ 2 0 0 9 ▁N . V . ▁Nu on ▁Energy ▁has ▁been ▁part ▁of ▁V atten fall . ▁ ▁Ray on ▁and ▁man - made ▁fib re ▁industry ▁ ▁Rhein ische ▁Gl ühl amp en fab rik ▁Dr . ▁Max ▁F rem ery ▁& ▁Co ▁▁ ▁Today ' s ▁Ober bru ch ▁Indust ry ▁Park ▁was ▁founded ▁as ▁" R hein ische ▁Gl ühl amp en fab rik ▁Dr . ▁Max ▁F rem ery ▁& ▁Co “. ▁In ▁ 1 8 9 1 , ▁Max ▁F rem ery , ▁a ▁chem ist ▁from ▁C ologne ▁and ▁Johann ▁Urban , ▁an ▁engineer ▁from ▁Austria , ▁chose ▁a ▁former ▁paper ▁mill ▁as ▁their ▁base . ▁They ▁intended ▁to ▁search ▁for ▁a ▁fil ament ▁that ▁offered ▁high ▁efficiency ▁in ▁production ▁and ▁energy ▁consumption ▁and ▁a ▁longer ▁life . ▁ ▁In ▁ 1 8 9 2 , ▁the ▁two ▁were ▁successful ▁in ▁producing ▁fil aments ▁in ▁substantial ▁quantities ▁by ▁precip it ating ▁cell ul ose ▁from ▁solution ▁in ▁cu pr am mon ium ▁hydro x ide ▁( co pper ( II ) ▁ox