Filler and pigment

Details Filler and pigment Filler and pigment

2005-09-06

2005-09-06

Kruer, Kevin R. (Department: 1773)

Stock material or miscellaneous articles

Coated or structually defined flake, particle, cell, strand,...

Particulate matter

C428S537700, C162S135000, C162S181100, C162S181200

Reexamination Certificate

active

06939609

ABSTRACT:
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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