CELLULOSE-BASED GAS BARRIER FILM
Number of patents in Portfolio can not be more than 2000
United States of America
Stats
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N/A
Issued Date -
Feb 20, 2025
app pub date -
Dec 12, 2022
filing date -
Dec 12, 2022
priority date (Note) -
Published
status (Latency Note)
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Abstract
The present invention relates to a cellulose-based gas barrier film, said cellulose-based gas barrier film comprising at least 50 wt % of a fines-depleted highly refined cellulose pulp (FD-HRC), wherein said FD-HRC has a Schopper-Riegler (SR) number in the range of 80-100 as determined by standard ISO 5267-1, wherein said FD-HIRC has an amount of long (>0.2 mm) fibers of at least 8 million fibers per gram (based on dry weight), and wherein said FD-HRC has a Fines A value below 46%, wherein the Fines A value is determined using an FS5 optical fiber analyzer. The present invention relates to a method for manufacturing said cellulose-based gas barrier film.
First Claim
all claims..Other Claims data not available
Family

- 15 United States
- 10 France
- 8 Japan
- 7 China
- 5 Korea
- 2 Other
Patent Owner(s)
- STORA ENSO OYJ
International Classification(s)

- 2022 Application Filing Year
- D21H Class
- 351 Applications Filed
- 90 Patents Issued To-Date
- 25.65 % Issued To-Date
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
---|---|---|---|
Backfolk, Kaj | Lappeenranta, FI | 127 | 614 |
# of filed Patents : 127 Total Citations : 614 | |||
Heiskanen, Isto | Imatra, FI | 141 | 831 |
# of filed Patents : 141 Total Citations : 831 | |||
Kauppi, Anna | Lappeenranta, FI | 16 | 35 |
# of filed Patents : 16 Total Citations : 35 | |||
Land, Hensdal Cecilia | Forshaga, SE | 9 | 16 |
# of filed Patents : 9 Total Citations : 16 | |||
Lyytikäinen, Katja | Imatra, FI | 28 | 23 |
# of filed Patents : 28 Total Citations : 23 | |||
Moberg, Anders | Hammarö, SE | 8 | 23 |
# of filed Patents : 8 Total Citations : 23 |
Cited Art Landscape
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Patent Citation Ranking
- 0 Citation Count
- D21H Class
- 0 % this patent is cited more than
- < 1 Age
Forward Cite Landscape
- No Forward Cites to Display

Maintenance Fees
Fee | Large entity fee | small entity fee | micro entity fee | due date |
---|---|---|---|---|
3.5 Year Payment | $1600.00 | $800.00 | $400.00 | Aug 20, 2028 |
7.5 Year Payment | $3600.00 | $1800.00 | $900.00 | Aug 20, 2032 |
11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Aug 20, 2036 |
Fee | Large entity fee | small entity fee | micro entity fee |
---|---|---|---|
Surcharge - 3.5 year - Late payment within 6 months | $160.00 | $80.00 | $40.00 |
Surcharge - 7.5 year - Late payment within 6 months | $160.00 | $80.00 | $40.00 |
Surcharge - 11.5 year - Late payment within 6 months | $160.00 | $80.00 | $40.00 |
Surcharge after expiration - Late payment is unavoidable | $700.00 | $350.00 | $175.00 |
Surcharge after expiration - Late payment is unintentional | $1,640.00 | $820.00 | $410.00 |
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