Compositions – Electrically conductive or emissive compositions – Metal compound containing
Reexamination Certificate
2004-10-12
2008-03-04
McGinty, Douglas (Department: 1751)
Compositions
Electrically conductive or emissive compositions
Metal compound containing
C528S354000, C252S500000
Reexamination Certificate
active
07338623
ABSTRACT:
An electrically-conductive resin composition comprises (A) a thermoplastic resin and (B) an electrically-conductive polymer blended together. The electrically-conductive polymer is an electrically-conductive polyester doped with a dissociable inorganic salt. The doped polyester is at least one polyester selected from the group consisting of (a) polyesters each of which has a weight average molecular weight of from 50,000 to 500,000 and has been obtained by subjecting at least caprolactone as a monomer to ring-opening polymerization and (b) comb polyesters each of which has one or more polyester chains each having a weight average molecular weight of from 50,000 to 200,000 and has been obtained by subjecting a lactone to ring-opening polymerization in the presence of a trifunctional or higher functional, polyhydric alcohol as a polymerization initiator. Electrically-conductive resin moldings made of such electrically-conductive resin compositions are also disclosed.
REFERENCES:
patent: 5863466 (1999-01-01), Mor
patent: 6621684 (2003-09-01), Shimamoto et al.
patent: 61-85460 (1986-05-01), None
patent: 2001-316593 (2001-11-01), None
patent: 2002-179898 (2002-06-01), None
McGinty Douglas
Oblon & Spivak, McClelland, Maier & Neustadt P.C.
Regulus Co., Ltd.
Thomas Jaison
LandOfFree
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