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...
Inventor
active
Gas and ion permeable membranes formed of polyurethane diacrylat
Hydrophilic carboxy polyurethanes
Hydrophilic polyurethanes of improved strength
Hydrophilic polyurethanes of improved strength
Polyurethane acrylate compositions
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