Carbon fiber and method of forming the same
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United States of America Patent
Stats
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Feb 13, 2024
Grant Date -
Dec 8, 2022
app pub date -
May 27, 2022
filing date -
May 27, 2021
priority date (Note) -
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status (Latency Note)
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Abstract
Carbon fiber and method of forming the same are provided. The method modifies proportion of a finishing oil to control a relation between a surface tension and a particle size of the finishing oil, and thus penetration of the finishing oil into an interior of the carbon fiber is avoided. Therefore, the carbon fiber can have both low oil residues and a high strength.
First Claim
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Family
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| Country | kind | publication No. | Filing Date |
|---|---|---|---|
| TW | B | TWI792328 | May 27, 2021 |
| CN | B | CN114150402 | Jan 05, 2022 |
| JP | A | JP2022183086 | May 25, 2022 |
| EP | A1 | EP4095294 | May 27, 2022 |
International Classification(s)
- 2022 Application Filing Year
- D01D Class
- 210 Applications Filed
- 64 Patents Issued To-Date
- 30.48 % Issued To-Date
Cited Art Landscape
Patent Citation Ranking
- 0 Citation Count
- D01D Class
- 0 % this patent is cited more than
- 1 Age
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 13, 2027 |
| 7.5 Year Payment | $3600.00 | $1800.00 | $900.00 | Aug 13, 2031 |
| 11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Aug 13, 2035 |
