Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – From phenol – phenol ether – or inorganic phenolate
Reexamination Certificate
2003-09-18
2010-02-16
Truong, Duc (Department: 1796)
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
From phenol, phenol ether, or inorganic phenolate
C528S271000, C528S272000, C528S288000
Reexamination Certificate
active
07662903
ABSTRACT:
A thermoplastic polyimide having good processing characteristics, obtainable by polymerizing an acid component and a diamine component, wherein an aromatic tetracarboxylic acid dianhydride represented by formula (I):or its derivative is used at least as a part of the acid component.
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Inagaki Hiroyasu
Inoue Shinsuke
Kawanishi Noriyuki
Nanba Satoru
Manac Inc.
Osha • Liang LLP
Truong Duc
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