Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
From carboxylic acid or derivative thereof
Inventor
active
Alkyl substituted aromatic polyester gas separation membranes
Alkyl substituted polyimide, polyamide and polyamide-imide gas s
Aromatic polyetherketone gas separation membranes
Aromatic polyetherketone gas separation membranes
Aromatic polyethersulfone gas separation membranes
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