Patent · US Active

Method for pretreating cellulose pulp

US9315942B2 · kind B2 · utility

3Cited by

1References

20Claims

0Family size

Assignee

UPM-KYMMENE CORPORATION · FI

Inventors

Markus Nuopponen · Helsinki, FI
Monika Österberg · Espoo, FI
Janne Laine · Espoo, FI
Jaakko Pere · Kairokoski, FI

Key dates

Filing date	Feb 11, 2013
Grant date	Apr 19, 2016
Priority date	—
Expiry date	Feb 11, 2033

Classification

Technology area (CPC D)Textiles; Paper
CPC primaryD21H17/65
WIPO fieldTextile and paper machines
WIPO sectorMechanical engineering

Abstract

A Method of pretreating native cellulose pulp in the manufacture of nanofibrillated cellulose, and a nanofibrillated cellulose product obtainable by the method.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.