Brightener-containing paper-coating compositions

Details Brightener-containing paper-coating compositions Brightener-containing paper-coating compositions

C - Chemistry, Metallurgy

07

C

8/52, 260/653.2,

C07C 43/225 (2006.01) C07C 25/18 (2006.01) C07C 25/24 (2006.01) C07C 323/09 (2006.01) D06L 3/12 (2006.01) D21H 21/30 (2006.01)

Patent

CA 2029220

Abstract Paper-coating compositions containing compounds of the formula Image (I) wherein R1, R2, R3 and R5, R6, R7 denote H, F, Cl or CH3 and R4 and R8 denote H, O-C1-C4-alkyl, S-C1-C4-alkyl, SO2C1-C4- alkyl, CF3, OCF3 or SCF3, are inexpensive and are distin- guished by high brightness.

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