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Document Number
US Patent 7160608
Issued Date
January 9, 2007
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Abstract
A coated paper comprised of a paper substrate, at least one surface of which is provided with at least one coating layer, characterized in that the surface of said coating layer has cracks of a width of 0.2 to 3.0 .mu.m and a length of 3 to 1000 .mu.m in an amount of 1 to 1000 cracks per mm.sup.2 is provided. In another embodiment, a coated paper comprised of a paper substrate, at least one surface of which is provided with at least two coating layers, characterized in that an inner coating layer adjoining said paper substrate comprises a pigment having a crystal structure selected from the group consisting of acicular crystal, spindle-shape crystal, columnar crystal, and rice-shape granulated crystal, and starches, and an outermost coating layer formed on said inner coating layer comprises crack formation promoting particles and a styrene-butadiene copolymer having a glass transition temperature of 20 to 150.degree. C. is provided.
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Number of Claims:
21
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Owner
Published
January 9, 2007
Application Number
10/875,956
Filed
June 25, 2004
US Classification
428/324   428/32.17 428/32.33 428/32.34 428/327
Int'l Classification
B32B   5/16   (20060101)   B41M   5/00   (20060101)  
Examiner
Priority Data
Jun 30, 2003 [JP] 2003-188354
USPTO Field of Search
428/32.17   428/32.34   428/155   428/172   428/204   428/211   428/324   428/327   428/328   428/330   428/331   428/363   428/32.33   428/32.37   428/206   428/207  
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