4. Synthetic resins or natural rubbers -- part of the class 520 ser
  5. Synthetic resins
  6. Polymerizing in two or more physically distinct zones

James Hanawalt Lee

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Agitator for a horizontal polymerization reactor having...

Agitating – Stirrer within stationary mixing chamber – Rotatable stirrer
Reexamination Certificate

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Transfer of polymer particles between vapor phase polymerization

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Polymerizing in two or more physically distinct zones
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Profile ID: LFUS-PAI-P-1741489

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