Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Mixing of two or more solid polymers; mixing of solid...
Inventor
active
Butadiene/polar comonomer copolymer and aromatic reactive end gr
Composition of butadiene/polar comonomer copolymer, aromatic rea
Composition of epoxy resin, butadiene-acrylonitrile copolymer an
Phenol-terminated polyurethane or polyurea(urethane) with epoxy
Tough epoxy casting resins based on polybutadiene-polyoxyalklene
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