Method and device for producing crystallizable plastic material
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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Nov 6, 2007
Grant Date -
N/A
app pub date -
Jun 9, 2000
filing date -
Aug 18, 1999
priority date (Note) -
Expired
status (Latency Note)
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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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