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
Acrylonitrile free blends of a polycarbonate, a graft rubber and
Acrylonitrile-free polycarbonate blends
Additives for powder resins
Apparatus for discharging high viscosity media in chemical engin
Contact lenses formed of mixtures of cellulose esters and ethyle
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