Title:
ペリレンテトラカルボン酸ジイミドの連続製造法
Document Type and Number:
Japanese Patent JP3626213
Kind Code:
B2
Abstract:
This invention relates to a novel process for the continuous preparation of perylenetetracarboxylic diimides by fusion of a naphthalimide in a mixture of an alkali metal hydroxide and, optionally, an alkali metal carboxylate to form an initial leuko condensation product that is subsequently oxidized in an aqueous medium to form the perylenetetracarboxylic diimide.
Inventors:
Thomas Earl Flatt
Application Number:
JP21655892A
Publication Date:
March 02, 2005
Filing Date:
July 23, 1992
Export Citation:
Assignee:
BAYER CORPORATION
International Classes:
C07D471/06; C09B5/62; (IPC1-7): C07D471/06
Domestic Patent References:
| JP59205376A | ||||
| JP5518498A |
Attorney, Agent or Firm:
Heikichi Odashima