Process for producing at least one ply of a paper or paperboard product and a paper or paperboard product
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United States of America Patent
Stats
-
Jun 5, 2018
Issued Date -
May 4, 2017
app pub date -
Jun 11, 2015
filing date -
Jun 13, 2014
priority date (Note) -
In Force
status (Latency Note)
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Abstract
The present invention relates to a process for producing at least one ply of a paper or paperboard product which process comprises the steps of; subjecting cellulosic fibers to heat treatment wherein the fibers are treated at a high dry content and at an increased temperature, preparing a slurry comprising said heat treated fibers, forming a web of said slurry and, dewatering said web whereby a ply of said product is formed. The present invention further relates to a paper or paperboard product produced according to the process.
First Claim
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International Classification(s)
- 2015 Application Filing Year
- D21H Class
- 430 Applications Filed
- 333 Patents Issued To-Date
- 77.45 % Issued To-Date
Cited Art Landscape
Patent Citation Ranking
- 1 Citation Count
- D21H Class
- 32.69 % this patent is cited more than
- 7 Age
Maintenance Fees
| Fee | Large entity fee | small entity fee | micro entity fee | due date |
|---|---|---|---|---|
| 7.5 Year Payment | $3600.00 | $1800.00 | $900.00 | Dec 5, 2025 |
| 11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Dec 5, 2029 |
