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...
Inventor
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Anionic aqueous polyurethane having blocked NCO groups and proce
Aqueous amphoteric polyurethane having blocked NCO groups and pr
Aqueous cationic polyurethane emulsion with glycidyl ether curin
Aqueous cationic polyurethane having blocked NCO groups and proc
Aqueous dispersions of amphoteric polyurethane-urea and method o
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