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
Heterocyclic nylon-1 type polymers
Method of producing color stable thermoplastic polymethanes and
Process for the preparation of substantially pure cyclo aliphati
Stabilized thermoplastic polyesterurethanes
Stabilized thermoplastic polyesterurethanes
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