sentences:  Initially both companies produced films under the AGFA brand with the same names, such as Isopan F. To distinguish them, the film edge markings were L IF for Agfa Leverkusen, and W IF for Agfa Wolfen.In 1953 in a trade agreement it was agreed that VEB Film und Chemiefaserwerk would have the sole rights to the AGFA brand in Eastern Europe and Agfa AG, would retain sole rights to the AGFA brand in the rest of the world.This hampered Wolfens exports and therefore after 1964 films from Wolfen were rebranded ORWO (ORiginal WOlfen).