参考文献

BASF SE; Luyken, Hermann; Ahrens, Sebastian; Brasche, Gordon; Baldamus, Jens; Baumann, Robert; Hugo, Randolf; Jaegli, Stephanie; Melder, Johann-Peter; Pastre, Jörg; Buschhaus, Boris Patent: US2013/53539 A1, 2013 ; Location in patent: Paragraph 0574 ;