专利检索 ap:("ASHLAND INC") AND inv:"WAI GEORGE K" 第 1 页

1.

发明公开
PITCH CONTROL COMPOSITION 失效
标题翻译： PECHKONTROLLE ZUSAMMENSETZUNG

公开(公告)号：EP0929717A4

公开(公告)日：1999-10-06

申请号：EP97938056

申请日：1997-07-29

申请人： ASHLAND INC

发明人： WAI GEORGE K

IPC分类号： D21C9/08 , D21H17/32 , D21H17/35 , D21H17/37 , D21H17/43 , D21H17/44 , D21H21/02

CPC分类号： D21C9/086 , D21H17/32 , D21H17/35 , D21H17/37 , D21H17/43 , D21H21/02 , Y10S162/04

摘要： This invention relates to a liquid composition for the control of pitch deposition in pulp and paper making comprising an aqueous solution of (1) a cationic guar polymer, and (2) isobutylene/maleic anhydride copolymer. The invention also relates to a process for inhibiting pitch and stickies deposition in pulp and papermaking systems.

2.

发明公开
PITCH CONTROL COMPOSITION BASED ON BLEND OF DERIVATIZED CATIONIC GUAR AND STYRENE MALEIC ANHYDRIDE COPOLYMER 失效
标题翻译：阳离子衍生关的组成和苯乙烯 - 马来酸共聚物ANHDRID用于控制树脂

公开(公告)号：EP0917553A4

公开(公告)日：2000-05-31

申请号：EP97934323

申请日：1997-07-29

申请人： ASHLAND INC

发明人： HLIVKA LINDA M , WAI GEORGE K

IPC分类号： C08L5/14 , D21C9/08 , D21H21/02 , C08L5/02

CPC分类号： D21H21/02 , C08L5/14 , D21C9/086 , Y10S162/04 , Y10S526/932 , C08L2666/02

摘要： This invention relates to a liquid composition for the control of pitch deposition in pulp and paper making comprising an aqueous solution of (1) a derivatized cationic guar, and (2) styrene maleic anhydride copolymer. The invention also relates to a process for inhibiting pitch deposition in pulp and papermaking systems and on papermaking equipment.