Title:
ポリマーフラクションの分離方法
Document Type and Number:
Japanese Patent JP4890706
Kind Code:
B2
Abstract:
The invention relates to a process for isolating, from a polymer comprising repeating units which are individually of Formula Xin whichY is P or N,Ar<1 >& Ar<2 >are bivalent aromatic groups,Ar<3 >is a monovalent aromatic group, andthe units of Formula X may be the same or different,a molecular weight fraction which is especially suitable for use as a charge transport material.
Inventors:
Allen, Joanne Victoria
Brown, Beverly Ann
Reaming, Stephen William
Morgan, John Dylan
Veres, Janos
Brown, Beverly Ann
Reaming, Stephen William
Morgan, John Dylan
Veres, Janos
Application Number:
JP2001505597A
Publication Date:
March 07, 2012
Filing Date:
June 14, 2000
Export Citation:
Assignee:
Merck Patent Gesellschaft mit beschraenkter Haftung
International Classes:
C08G85/00; G03G5/06; C08G61/12; C08G73/00; C08G73/02; C08G79/02; G03G5/07
Domestic Patent References:
| JPH10306143A | 1998-11-17 | |||
| JPH0959389A | 1997-03-04 | |||
| JP2000063456A | 2000-02-29 | |||
| JP2001503074A | 2001-03-06 | |||
| JP2001527102A | 2001-12-25 | |||
| JP2009091591A | 2009-04-30 |
Foreign References:
| WO1998006773A1 | 1998-02-19 |
Attorney, Agent or Firm:
Kazuo Shamoto
Tadashi Masui
Yasushi Kobayashi
Akio Chiba
Hiroyuki Tomita
Minako Matsuyama
Tadashi Masui
Yasushi Kobayashi
Akio Chiba
Hiroyuki Tomita
Minako Matsuyama