Method for making nanofibrillar cellulose and for making a paper product
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United States of America Patent
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May 22, 2018
Issued Date -
N/A
app pub date -
May 15, 2014
filing date -
May 15, 2013
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A method for making nanofibrillar cellulose includes mixing anionized or cationized cellulose fibers and cellulose pulp to a mixture including at least 1% and below 90 wt-% cellulose pulp based on dry weight, and subjecting the mixture to a refiner stage where the anionized or cationized cellulose fibers are at least partly reduced to nanofibrillar cellulose and the cellulose pulp acts as auxiliary pulp, and obtaining a mixture of nanofibrillar cellulose and cellulose pulp from the refining stage. The mixture can be used for making paper by adding it to base pulp.
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International Classification(s)
- 2014 Application Filing Year
- D21H Class
- 401 Applications Filed
- 328 Patents Issued To-Date
- 81.80 % Issued To-Date
Cited Art Landscape
Patent Citation Ranking
- 1 Citation Count
- D21H Class
- 32.69 % this patent is cited more than
- 7 Age
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|---|---|---|---|---|
| 7.5 Year Payment | $3600.00 | $1800.00 | $900.00 | Nov 22, 2025 |
| 11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Nov 22, 2029 |
