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:
Mar. 31, 2020
Filed:
Sep. 19, 2011
Janne Pynnönen, Espoo, FI;
Matti Myyryläinen, Lapeenranta, FI;
Duncan Mayes, Helsinki, FI;
Jouko Silen, Riihimäki, FI;
Janne Pynnönen, Espoo, FI;
Matti Myyryläinen, Lapeenranta, FI;
Duncan Mayes, Helsinki, FI;
Jouko Silen, Riihimäki, FI;
STORA ENSO OYJ, Helsinki, FI;
Abstract
The invention concerns an extruded composite containing wood fibre material and polymer. The wood fibre material is wood material where the knot or branch content is at least 10 w-%, or bark, or would material into which extract material obtained by extracting knots, branches or bark has been absorbed. The amount of the polymer is 5-25% from the weight of the composite. The composite has high hardness, and reduced moisture absorption and swelling properties. It can be used as constructional material.