Polyurethane prepolymers comprising NCO groups and a low...

Details Polyurethane prepolymers comprising NCO groups and a low... Polyurethane prepolymers comprising NCO groups and a low...

2005-06-07

2005-06-07

Gorr, Rachel (Department: 1711)

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

C528S059000, C528S905000, C252S182220, C156S331400

Reexamination Certificate

active

06903167

ABSTRACT:
Polyurethane prepolymers containing NCO (isocyanate) groups and having a low content of monomeric polyisocyanate, processes for their production and uses employing these prepolymers. The polyurethane prepolymers of the invention are produced from by a reaction employing monomeric polyisocyanates and polyols.

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