Low temperature and efficient fractionation of lignocellulosic biomass using recyclable organic solid acids
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United States of America Patent
Stats
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Mar 26, 2019
Grant Date -
Aug 2, 2018
app pub date -
Jan 29, 2018
filing date -
Jan 30, 2017
priority date (Note) -
In Force
status (Latency Note)
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Abstract
Methods of fractionating lignocellulosic biomass using hydrotropic sulfonic acids are provided. Also provided are methods of forming lignin particles, furans, sugars, and/or lignocellulosic micro- and nanofibrils from the liquid and solid fractions produced by fractionation process. The fractionation can be carried out at low temperatures with short reaction times.
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International Classification(s)
- 2018 Application Filing Year
- D21B Class
- 59 Applications Filed
- 33 Patents Issued To-Date
- 55.94 % Issued To-Date
Cited Art Landscape
Patent Citation Ranking
- 2 Citation Count
- D21B Class
- 46.15 % this patent is cited more than
- 6 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 | Sep 26, 2026 |
| 11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Sep 26, 2030 |
