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:
Jun. 08, 2021
Filed:
Nov. 09, 2017
Applicant:
Alpla Werke Alwin Lehner Gmbh & Co. KG, Hard, AT;
Inventors:
Robert Siegl, Dornbirn, AT;
Andreas Weber, Thuringen, AT;
Assignee:
Primary Examiner:
Int. Cl.
CPC ...
C08J 11/08 (2006.01); B29B 17/02 (2006.01); B29K 105/26 (2006.01); A61L 11/00 (2006.01); A61L 2/00 (2006.01);
U.S. Cl.
CPC ...
C08J 11/08 (2013.01); B29B 17/02 (2013.01); A61L 2/00 (2013.01); A61L 11/00 (2013.01); B29B 2017/0293 (2013.01); B29K 2105/26 (2013.01); C08J 2323/06 (2013.01); C08J 2323/12 (2013.01);
Abstract
The invention relates to a recycling process for contaminated polyolefins, in particular HDPE, wherein the contaminated polyolefin is swelled using a solvent such that contaminants in the polyolefin dissolve in the solvent, and the solvent as well as the contaminants dissolved from the solvent are removed from the polyolefin.