The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Nov. 20, 2012
Filed:
Oct. 26, 2011
Applicant:
Thomas Friedlaender, Regensburg, DE;
Inventor:
Thomas Friedlaender, Regensburg, DE;
Assignee:
Krones AG, Neutraubling, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G 64/00 (2006.01); C08G 63/02 (2006.01);
U.S. Cl.
CPC ...
Abstract
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.