Method and device for producing crystallizable plastic material

Details Method and device for producing crystallizable plastic material Method and device for producing crystallizable plastic material

2007-11-06

2007-11-06

Boykin, Terressa (Department: 1711)

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

Synthetic resins

Treating polymer containing material or treating a solid...

C264S008000, C528S271000, C528S272000, C528S285000, C528S308200, C528S481000

Reexamination Certificate

active

10049549

ABSTRACT:
A method for manufacturing a crystallizable plastic material is disclosed. The process includes the step of melting an amorphous plastic material, pelletizing the material, crystallizing it and then post condensing the plastic material with the proviso that the plastic material is not subjected to heating after the melting step but prior to the crystallization step and then subjecting the plastic material to sieving after the crystallization step.

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patent: 5424346 (1995-06-01), Sinclair
patent: 6436322 (2002-08-01), Fredl
patent: 6524702 (2003-02-01), Betso et al.
patent: 19919357 (2000-11-01), None

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