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. 27, 2001

Filed:

Jun. 13, 1997
Applicant:
Inventors:

Tomas Tage Hansen, Allerød, DK;

Peder Holk Nielsen, Veksø, DK;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
D21H 2/502 ;
U.S. Cl.
CPC ...
D21H 2/502 ;
Abstract

A process for producing paper or paperboard from mechanical pulp, in which the pulp is treated with a phenol-oxidizing enzyme after mechanical refining of the pulp has been completed. The resulting paper exhibits an increased strength relative to paper produced from untreated pulp.


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