发明名称 PAPER PRODUCTION PROCESS
摘要 A paper production process, characterized by the process step of providing to the paper at some point in the production process a compound of formula (I), in which the symbols have the meaning given in claim 1, reduces the tendency of the obtained paper products, particularly those made from high-yield pulps, to yellow on exposure to light. Also claimed are the paper additives used in that process and the paper produced by such a process.
申请公布号 CA2269951(A1) 申请公布日期 1999.03.11
申请号 CA19982269951 申请日期 1998.09.02
申请人 CLARIANT FINANCE (BVI) LIMITED 发明人 JACKSON, ANDREW CLIVE
分类号 C07C323/12;C07C323/52;C07D239/56;C07D251/38;D21H17/06;D21H17/14;D21H21/14;(IPC1-7):D21H17/14 主分类号 C07C323/12
代理机构 代理人
主权项
地址