Process for enzymatic hydrolysis of lignocellulosic material and fermentation of sugars
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United States of America Patent
Stats
-
May 1, 2018
Issued Date -
N/A
app pub date -
Nov 7, 2013
filing date -
Nov 9, 2012
priority date (Note) -
In Force
status (Latency Note)
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Abstract
The invention relates to a process for the preparation of a sugar product from ligno-cellulosic material, comprising the following steps:
- a) optionally pre-treatment of the ligno-cellulosic material;b) optionally washing of the optionally pre-treated ligno-cellulosic material;c) enzymatic hydrolysis of the optionally washed and/or optionally pre-treated ligno-cellulosic material using an enzyme composition comprising at least two cellulase and whereby the enzyme composition at least comprises GH61; andd) optionally recovery of a sugar product;wherein during part of the time of the enzymatic hydrolysis, oxygen is added to the ligno-cellulosic material and during part of the time of the enzymatic hydrolysis less oxygen is added to the ligno-cellulosic material compared to the other part of the time of the enzymatic hydrolysis, preferably no oxygen is added to the ligno-cellulosic material.
First Claim
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International Classification(s)
- 2013 Application Filing Year
- C12P Class
- 1593 Applications Filed
- 1388 Patents Issued To-Date
- 87.14 % Issued To-Date
Cited Art Landscape
Patent Citation Ranking
- 15 Citation Count
- C12P Class
- 95.38 % 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 | Nov 1, 2025 |
| 11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Nov 1, 2029 |
