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Title:
高い乾燥強度を有する紙、板紙及び厚紙の製造法
Document Type and Number:
Japanese Patent JP2009530504
Kind Code:
A
Abstract:
Process for the production of paper, board and cardboard having high dry strength by separate addition of a polymer comprising vinylamine units and of ligninsulfonic acid and/or a ligninsulfonate to a paper stock, draining of the paper stock and drying of the paper products.

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Inventors:
Martin Luben Acker
Ellen Kruger
Norbert Shall
Application Number:
JP2008558792A
Publication Date:
August 27, 2009
Filing Date:
March 09, 2007
Export Citation:
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Assignee:
BASF SE
International Classes:
D21H21/18; D21H17/23; D21H17/45; D21H23/10
Domestic Patent References:
JPS57191394A1982-11-25
JPH11140787A1999-05-25
JPS61201097A1986-09-05
JPH02251696A1990-10-09
JPH06184983A1994-07-05
JPH01183598A1989-07-21
JPH08232191A1996-09-10
JPH08504239A1996-05-07
Attorney, Agent or Firm:
Toshio Yano
Toshiomi Yamazaki
Takuya Kuno
Hiroshi Sugimoto
Kimihiro Hoshi
Hiroyasu Ninomiya
Einzel Felix-Reinhard
Reinhard Einsel



 
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