Bagasse fractionation for cellulosic ethanol and chemical production
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United States of America Patent
Stats
-
Apr 3, 2018
Issued Date -
N/A
app pub date -
Nov 13, 2015
filing date -
Nov 5, 2010
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A process is defined for the continuous steam pretreatment and fractionation of bagasse to produce a concentrated cellulose solid stream that is sensitive to enzymatic hydrolysis. Valuable chemicals are recovered by fractionating the liquid and vapor stream composed of hydrolysis and degradation products of the hemicellulose. Cellulosic derived glucose is produced for fermentation to biofuels. A hemicellulose concentrate is recovered that can be converted to value added products including ethanol.
First Claim
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International Classification(s)
- C08H:DERIVATIVES OF NATURAL MACROMOLECULAR COMPOUNDS
- C12P:FERMENTATION OR ENZYME-USING PROCESSES TO SYNTHESI....
- C08B:POLYSACCHARIDES; DERIVATIVES THEREOF
- C13K:GLUCOSE; INVERT SUGAR; LACTOSE; MALTOSE; SYNTHESIS....
- D21H:PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED....
- D21C:PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE ....
- 2015 Application Filing Year
- C08H Class
- 84 Applications Filed
- 73 Patents Issued To-Date
- 86.91 % Issued To-Date
Cited Art Landscape
Patent Citation Ranking
- 2 Citation Count
- C08H Class
- 31.25 % 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 | Oct 3, 2025 |
| 11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Oct 3, 2029 |
