參考文獻:
BASF SE Molt, Oliver Lennartz, Christian Wagenblast, Gerhard Fuchs, Evelyn Langer, Nicolle Schildknecht, Christian Dormann, Korinna Watanabe, Soichi Schaefer, Thomas Wolleb, Heinz Figueira Duarte, Teresa Marina Metz, Stefan Murer, Peter Patent: US2013/32766 A1, 2013 Location in patent: Paragraph 0342 0343 0344