D - Textiles – Paper – 21 – H
Patent
D - Textiles, Paper
21
H
D21H 17/67 (2006.01) D21H 19/38 (2006.01)
Patent
CA 2265410
The present invention relates to the use of calcium oxalate as a filler or pigment. In particular described herein is a method of reducing the combustion residue of coated paper or cardboard products by replacing at least a part of the conventional pigments and filler needed for achieving predetermined optical properties with calcium oxalate.
M-Real Oyj
Metsa-Serla Oyj
Ogilvy Renault Llp/s.e.n.c.r.l.,s.r.l.
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