Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
From carboxylic acid or derivative thereof
Inventor
active
Amide-ester copolymers and process for the preparation thereof
Amide-ester copolymers and process for the preparation thereof
Amide-urea copolymer and process for the preparation thereof
Amide-urea copolymer and process for the preparation thereof
Color minimization during melt preparation of polyamides with hy
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