Polyurethane system and application thereof

Details Polyurethane system and application thereof Polyurethane system and application thereof

2006-01-31

2006-01-31

Gorr, Rachel (Department: 1711)

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...

C524S872000, C428S424800, C428S423900, C427S393600, C427S385500, C427S413000

Reexamination Certificate

active

06992134

ABSTRACT:
The present invention relates to a polyurethane surface and more specifically to a polyurethane surface derived from the catalyzed reaction of equivalent volumes of a polyisocyanate component and an active hydrogen component. The two-component system achieves optimal gel time and cure response for application as an athletic surface having an isocyanate index between about 105 and 115. Moreover, the present invention achieves these results with a 1:1 by volume two-component system, which minimizes mixing errors during application of the surface.

REFERENCES:
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patent: 4824595 (1989-04-01), Richter et al.
patent: 4859735 (1989-08-01), Vu
patent: 5212210 (1993-05-01), Halm
patent: 6420493 (2002-07-01), Ryckis-Kite et al.
patent: 6458898 (2002-10-01), Wamprecht et al.
patent: 4-170414 (1992-06-01), None

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