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Title:
AROMATIC DIAMINE AND ITS PRODUCTION METHOD
Document Type and Number:
Japanese Patent JP2007308452
Kind Code:
A
Abstract:

To provide a novel ester-group-containing aromatic diamine used as e.g., a raw material for a very lowly hygroscopic polyesterimide.

The aromatic diamine is represented by formula (1) [wherein when R1 is a hydrogen atom, R2 is an ester group represented by formula (2), and when R1 is an ester group represented by formula (2), R2 is a hydrogen atom, provided that in the formulae, R3 is a 1-4C alkyl group] and its production method is provided.

COPYRIGHT: (C)2008,JPO&INPIT


Inventors:
TAKEDA MOTONORI
TAMAOKI AKIHIRO
MORI SEIICHI
IMOTO MITSUTAKA
TSUBOTA TAKAHIKO
Application Number:
JP2006141582A
Publication Date:
November 29, 2007
Filing Date:
May 22, 2006
Export Citation:
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Assignee:
WAKAYAMA SEIKA KOGYO KK
International Classes:
C07C219/34; C07B61/00; C07C213/02
Attorney, Agent or Firm:
Katsunori Sugimoto