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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.:

US 12691623 B1

PDFFull Text
Date of Patent:
Jul. 28, 2026

Filed:

Mar. 20, 2023

Mechanical polyolefin recycling process

Applicant:

Borealis Ag, Vienna, AT;

Inventors:

Peter Denifl, Linz, AT;

Kilian Piettre, Linz, AT;

Christian Goetzloff, Linz, AT;

Michael Hettrich-Keller, Linz, AT;

Doris Machl, Linz, AT;

Sameer Vijay, Linz, AT;

Hans-Jürgen Priesters, Schleiden-Wintzen, DE;

Oliver Lambertz, Roesrath, DE;

Assignee:

BOREALIS AG, Vienna, AT;

Attorney:

Lowenstein Sandler LLP

Primary Examiner:

Yung-Shen M Tsui

Int. Cl.
CPC ...
B29C 48/00 (2019.01); B29B 17/02 (2006.01); B29B 17/04 (2006.01); C08J 11/08 (2006.01); B29B 17/00 (2006.01); B29K 23/00 (2006.01); B29K 105/26 (2006.01);
U.S. Cl.
CPC ...
B29C 48/022 (2019.02); B29B 17/02 (2013.01); B29B 17/0412 (2013.01); C08J 11/08 (2013.01); B29B 2017/0015 (2013.01); B29B 2017/0203 (2013.01); B29B 2017/0224 (2013.01); B29B 2017/0279 (2013.01); B29B 2017/0468 (2013.01); B29K 2023/06 (2013.01); B29K 2023/12 (2013.01); B29K 2105/26 (2013.01); C08J 2323/06 (2013.01); C08J 2323/12 (2013.01);
Abstract

A mechanical polyolefin recycling process, comprising a particular combination of processing steps in a given order, providing access to highly pure recycled polyolefin grades, having well balanced mechanical and optical properties that are superior to those typically seen in similar recycled polyolefin grades and a mechanical polyolefin recycling apparatus configured for carrying out the mechanical polyolefin recycling process.

Find Patent Forward Citations

Denifl, Peter. (2026). Mechanical polyolefin recycling process (U.S. Patent No. 12691623). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12691623

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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