Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
From phenol, phenol ether, or inorganic phenolate
Inventor
active
Rapid advancement of molecular weight in polybenzazole oligomer
Rapid advancement of molecular weight in polybenzazole oligomer
Semi-continuous process for synthesis of polybenzazole polymers
Staged polymerization of polybenzazole polymers
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