Plant for the manufacture of polymer particles

Details Plant for the manufacture of polymer particles Plant for the manufacture of polymer particles

2009-10-20

2010-12-21

Choi, Ling-Siu (Department: 1765)

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Process of treating scrap or waste product containing solid...

C521S056000, C521S059000, C521S061000, C422S129000, C422S131000, C422S133000, C422S135000, C422S292000, C528S480000, C528S483000, C528S50200C, C264S041000, C264S102000, C264SDIG050

Reexamination Certificate

active

07855237

ABSTRACT:
The method for the manufacture of foamed or foamable polymer particles employs a mixture of a polymer melt and a recycled polymer melt produced from recycled, propellant-containing polymer particles. The associated plant for the manufacture of the foamed or foamable polymer particles is provided with an apparatus for the processing of recycled, propellant-containing polymer particles.

REFERENCES:
patent: 5882558 (1999-03-01), Bacher et al.
patent: 6783710 (2004-08-01), Walder

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