发明公开
EP0942099A3 Filler and pigment 有权
填料和颜料

Filler and pigment
摘要:
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.
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