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.

Date of Patent:
Mar. 08, 2022

Filed:

Dec. 12, 2018
Applicant:

Stora Enso Oyj, Helsinki, FI;

Inventors:

Duncan Mayes, Helsinki, FI;

Janne Pynnönen, Lempäälä, FI;

Antti Korpela, Helsinki, FI;

Assignee:

Stora Enso OYJ, Helsinki, FI;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B29C 70/12 (2006.01); B29C 48/285 (2019.01); B29C 48/92 (2019.01); B29C 48/94 (2019.01); B29C 48/29 (2019.01); B29C 48/91 (2019.01); B29B 7/00 (2006.01); B29B 7/92 (2006.01); C08J 5/04 (2006.01); C08K 5/00 (2006.01); C08K 5/092 (2006.01); B29K 105/12 (2006.01);
U.S. Cl.
CPC ...
B29C 70/12 (2013.01); B29B 7/007 (2013.01); B29B 7/92 (2013.01); B29C 48/2886 (2019.02); B29C 48/29 (2019.02); B29C 48/297 (2019.02); B29C 48/91 (2019.02); B29C 48/92 (2019.02); B29C 48/94 (2019.02); C08J 5/045 (2013.01); C08K 5/0025 (2013.01); C08K 5/092 (2013.01); B29C 2948/92514 (2019.02); B29C 2948/92704 (2019.02); B29K 2105/12 (2013.01); C08J 2323/12 (2013.01);
Abstract

The present invention relates to an improved process for manufacturing an extruded composite product comprising natural fibers and a thermoplastic polymer. According to the present invention, mixing as well as crosslinking takes place inside an extruder. The natural fibers may be provided for example in the form of pulp or wood particles.


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