D - Textiles – Paper – 21 – C
Patent
D - Textiles, Paper
21
C
D21C 5/02 (2006.01) C08J 11/06 (2006.01) C22B 7/00 (2006.01)
Patent
CA 2101181
ABSTRACT Process for the separation of printing ink from composite materials The instant invention relates to a process for the separation of printing ink from composite material, which comprises printed and unprinted foils, by treatment of the composite material with a liquid under conditions, where the foils essentially remain undissolved and the printing ink and/or the foil comprising printing ink separate from the remaining composite material and ascend within the liquid on grounds of their density.
Van Halteren Marcus
Winkler Dieter
Fetherstonhaugh & Co.
Rwe Entsorgung Aktiengesellschaft
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