Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – From reactant having at least one -n=c=x group as well as...
Reexamination Certificate
2005-04-12
2005-04-12
Gorr, Rachel (Department: 1711)
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
From reactant having at least one -n=c=x group as well as...
C528S082000, C528S053000, C560S024000, C252S182200, C428S425100, C156S331700
Reexamination Certificate
active
06878795
ABSTRACT:
Cold curing polyisocyanate adhesive compositions suitable for use in the preparation of engineered lumber composites. Additionally provided are catalysts comprising tertiary amine alkoxylates that are reduced in or substantially free of isocyanate-reactive hydroxylic or amine hydrogen atoms. Further provided is a process for preparing composites articles using the adhesive compositions and composite articles prepared from the adhesive compositions. Composite articles prepared from the adhesive compositions have a substantially increased resistance to delamination.
REFERENCES:
patent: 3899387 (1975-08-01), Freis et al.
patent: 6368714 (2002-04-01), Robertson et al.
Gillis Herbert R.
Marcinko Joseph J.
Parker Anthony A.
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