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:
Apr. 10, 2012

Filed:

Apr. 04, 2007
Applicants:

Hans-ludwig Schubert, Baienfurt, DE;

Esa-matti Aalto, Ravensburg, DE;

Rudolf Patt, Reinbeck, DE;

Othar Kordsachia, Oststeinbeck, DE;

Christoph Storz, Glinde, DE;

Inventors:

Hans-Ludwig Schubert, Baienfurt, DE;

Esa-Matti Aalto, Ravensburg, DE;

Rudolf Patt, Reinbeck, DE;

Othar Kordsachia, Oststeinbeck, DE;

Christoph Storz, Glinde, DE;

Assignee:

Voith Patent GmbH, Heidenheim, DE;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
D21H 11/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

The invention relates to a wood-based lignocellulosic fibrous material having a tearing length of more than 8 km at 15° SR and a lignin content of at least 15%, based on the unbleached oven-dry fibrous material, for coniferous wood and having a tearing length of more than 5.0 km at 20° SR and a lignin content of at least 12%, based on the unbleached oven-dry fibrous material, for deciduous wood.


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