Polyamic acid varnish composition and a flexible printed board

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – At least one aryl ring which is part of a fused or bridged...

Reexamination Certificate

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C525S436000

Reexamination Certificate

active

07098267

ABSTRACT:
A polyamic acid varnish composition, which is composed of a polyamic acid obtained by the addition polymerization of an diamine and an aromatic acid dianhydride, contains as an additive a specific imidazolyl-diaminoazine.

REFERENCES:
patent: 4496715 (1985-01-01), Sattler
patent: 5418066 (1995-05-01), Chen et al.
patent: 5494991 (1996-02-01), Kaneko et al.
patent: 6346598 (2002-02-01), Hashimoto et al.
patent: 6355357 (2002-03-01), Takahashi et al.
patent: 0-659-553 (1995-06-01), None
patent: 1-014-765 (2000-06-01), None
patent: 1 014 765 (2000-06-01), None
patent: 63-8414 (1988-01-01), None
patent: 5-214291 (1993-08-01), None
patent: 9-194725 (1997-07-01), None

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