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
2007-04-10
2007-04-10
Niland, Patrick D. (Department: 1714)
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...
C524S493000, C524S494000, C524S495000, C524S589000, C524S590000, C524S875000, C528S044000, C528S053000, C528S055000, C528S056000, C528S057000, C528S058000, C528S060000, C528S048000, C528S049000, C528S051000, C528S052000, C528S065000, C528S066000, C528S067000, C528S073000, C528S080000, C528S081000, C528S083000
Reexamination Certificate
active
10714986
ABSTRACT:
Polyisocyanurate systems, pultrusion of those systems to produce reinforced polyisocyanurate matrix composites, and to composites produced thereby. The polyisocyanurate systems include a polyol component, an optional chain extender, and an isocyanate. The polyisocyanurate systems have extended initiation times of about 5 minutes to about 30 minutes at room temperature, and can be snap cured.
REFERENCES:
patent: 4810444 (1989-03-01), Alberino et al.
patent: 5112282 (1992-05-01), Patterson
patent: 5374486 (1994-12-01), Clatty et al.
Cheolas Evan H.
Eling Berend
Joshi Ravi R.
McClelland Alan
Padsalgikar Ajay
Brown Ron D.
Graham Nicole
Huntsman International LLC
Niland Patrick D.
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