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:
Sep. 05, 2023

Filed:

Jun. 20, 2018
Applicant:

Billerudkorsnas Ab, Solna, SE;

Inventors:

Irina Rauvanto, Sundea, FI;

Lars Hilden, Norrkoping, SE;

Assignee:

BillerudKorsnas AB, Solna, SE;

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
D21H 11/00 (2006.01); D21D 1/20 (2006.01); D21H 27/00 (2006.01); D21J 1/08 (2006.01); D21J 3/10 (2006.01);
U.S. Cl.
CPC ...
D21H 11/00 (2013.01); D21D 1/20 (2013.01); D21H 27/00 (2013.01); D21J 1/08 (2013.01); D21J 3/10 (2013.01);
Abstract

There is provided a use of a pulp mixture for forming a container in a mould, which pulp mixture comprises: 65-90%, such as 70-84%, by dry weight of a first pulp having a Schopper-Riegler (SR) number of below 48, preferably below 40, more preferably below 30; and 10-35%, such as 16-30%, by dry weight of a second pulp having a Schopper-Riegler (SR) number of 60-90, preferably 70-90, more preferably 77-90. A pulp mixture and a method of producing a pulp mixture are also provided.


Find Patent Forward Citations

Loading…