Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – From carboxylic acid or derivative thereof
Patent
1994-09-13
1996-11-19
Seidleck, James J.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
From carboxylic acid or derivative thereof
528335, 528347, C08G 6926
Patent
active
055764177
ABSTRACT:
There is disclosed a method for producing aromatic polyamides represented by the following formula (III), which comprises reacting an aromatic dihalogen compound represented by the following formula (I) with a diamine compound represented by the following formula (II) in the presence of cobalt/phosphine complex and a basic substance under carbon monoxide atmosphere:
REFERENCES:
patent: 4933468 (1990-06-01), Perry et al.
1 B4 02 of ISSN 285-7626, p. 169, Sep. 13, 1993.
Eto Tatsuya
Hagiwara Tokio
Hanaoka Taka-aki
Kubota Yoshihiro
Matsuzaki Takehiko
Director--General of Agency of Industrial Science and Technology
Seidleck James J.
Truong Duc
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