Dull cast coated paper and method for manufacturing thereof

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United States of America Patent

PATENT NO 6132855
SERIAL NO

09122101

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Abstract

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A cast-coated paper has, on at least one coated surface of a base paper, a coat containing pigment(s) and binder and having low gloss. The coat has a topographical surface profile in which the average peak-to-valley height R.sub.a is from 0.1 .mu.m to 0.5 .mu.m and the maximum peak-to-valley height R.sub.t is from 1.0 .mu.m to 4.5 .mu.m, and the wave height W.sub.t is less than 5.0 .mu.m. In a process for the production of a cast-coated paper having low gloss, an aqueous coating composition which contains pigment(s) and binder is applied to at least one surface of a base paper, the coated surface is brought into contact with the surface of a heated cylinder, the coat is dried in contact with the cylinder surface and the dried paper is removed from the cylinder surface. The cylinder surface has the topographical surface profile in which the average peak-to-valley height R.sub.a is from 0.1 .mu.m to 0.6 .mu.m and the maximum peak-to-valley height R.sub.t is from 1.0 .mu.m to 5.0 .mu.m. The surface gloss R'(75.degree.) of the cast-coated paper according to the invention is less than 30 (measuring angle 75.degree.), measured according to DIN 54502.

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Patent Owner(s)

Patent OwnerAddress
ZANDERS FEINPAPIERE AGGERMAN BERGISCH GLADBACH SCHRAMBERG BADEN-WURTTEMBERG

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Baran, Ralf Gisbert Wermelskirchen, DE 1 5
Becher, Joachim Numbrecht, DE 1 5
Benda, Helmut Cikaraug, ID 1 5
Berghausen, Franz Josef Bergisch Gladbach, DE 1 5
Frohlich, Hans Peter Bergisch Gladbach, DE 1 5
Grosser, Thomas Bergisch Gladbach, DE 6 13
Heckes, Ulrich Kurten, DE 2 11
Papier, Gerd Kurten Eichhof, DE 2 15

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