Filler and pigment
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United States of America Patent
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Sep 6, 2005
Grant Date -
N/A
app pub date -
Mar 12, 1999
filing date -
Mar 13, 1998
priority date (Note) -
Expired
status (Latency Note)
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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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