Method and device for purifying thermoplastic polymers

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United States of America Patent

PATENT NO 8314207
APP PUB NO 20120101220A1
SERIAL NO

13281843

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Abstract

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A method of purifying a thermoplastic polymer having at least one dispersed filler, including preparing a polymer melt of the thermoplastic polymer, and filtering the polymer melt, where the dispersed filler is at least partially transformed to a coagulated and filterable form before the filtering step. Also, a device for purifying the thermoplastic polymer, including means for preparing a polymer melt from the thermoplastic polymer, and filter means, and means for generating sound waves, preferably ultrasonic waves.

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Patent Owner(s)

Patent OwnerAddressTotal Patents
KRONES AGNEUTRAUBLING658

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Friedlaender, Thomas Regensburg, DE 16 11

Cited Art Landscape

Patent Info (Count) # Cites Year
 
L'Urederra Fundacion Para el Desarrollo Tecnologico y Social (1)
2010/0249,253 METHOD FOR THE RECYCLING OF POLYVINYL BUTYRAL 2 2008
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