Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Removing and recycling removed material from an ongoing...
Inventor
active
Manufacture of uniform polymers
Process and apparatus for controlled and gentle heating or cool
Process and apparatus for removing vaporizable constituents from
Process for the admixture of additives into plastics with simult
Purifying acrylonitrile for the manufacture of acrylonitrile pol
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