参考文献

EVONIK DEGUSSA GmbH; Klasovsky, Florian; Tacke, Thomas; Pfeffer, Jan Christoph; Haas, Thomas; Beller, Matthias; Martin, Andreas; Deutsch, Jens; Koeckritz, Angela; Imm, Sebastian; Haberland, Juergen Patent: US2013/331580 A1, 2013 ; Location in patent: Paragraph 0063 ;