参考文献

GRÜNENTHAL GMBH; SCHUNK, Stefan; REICH, Melanie; STEINHAGEN, Henning; DAMANN, Nils; SKONE, Philip; HAMLYN, Richard; KIRBY, Robert; ROGERS, Marc; SUTTON, Kathy Patent: WO2014/32801 A1, 2014 ; Location in patent: Page/Page column 157 ;