专利检索 ap:("ONDEO NALCO CO") AND inv:"DUGGIRALA PRASAD Y" 第 1 页

1.

发明公开
METHODS TO ENHANCE PULP BLEACHING AND DELIGNIFICATION 审中-公开
标题翻译：改进方法制浆和漂白脱木素

公开(公告)号：EP1395700A4

公开(公告)日：2005-12-28

申请号：EP02719427

申请日：2002-04-03

申请人： ONDEO NALCO CO

发明人： DUGGIRALA PRASAD Y , SHEVCHENKO SERGEY M , SALMEN KRISTINE S

IPC分类号： D21C3/22 , D21C9/10 , D21C9/147

CPC分类号： D21C9/1042 , D21C3/22 , D21C9/147

摘要： A method to enhance brightness in Chemical and Mechanical pulps comprising adding an organic sulfide chelant is described and claimed. A method to enhance delignification in a Chemical pulp comprising adding an organic sulfide chelant is also described and claimed.