Method and system for degassing polymer powder

Details Method and system for degassing polymer powder Method and system for degassing polymer powder

2007-03-06

2011-10-11

Boykin, Terressa M (Department: 1765)

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

Synthetic resins

Treating polymer containing material or treating a solid...

C422S105000, C422S122000, C422S139000, C422S144000, C422S145000, C526S059000, C526S064000, C526S068000, C526S072000

Reexamination Certificate

active

08034896

ABSTRACT:
The present invention relates to a method for degassing polymer powder comprising flushing the polymer powder in a first chamber with a first flow of flushing gas, transferring the polymer powder into a second chamber and flushing the polymer powder with a second flow of flushing gas in said second chamber. The present invention also relates to a system suitable for carrying out this method.

REFERENCES:
patent: 2449787 (1976-04-01), None
patent: 152729 (1981-12-01), None
patent: 4121810 (1993-02-01), None
patent: 2271114 (1994-06-01), None

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