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US 2014/0275501 A1Published application
High Purity Lignin, Lignin Compositions, and Higher Structured Lignin
AssigneeRenmatix, Inc.
InventorsEwellyn A. Capanema, Mikhail Y. Balakshin
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Abstract
Disclosed are lignins and lignin compositions having high purity. Also disclosed are lignins having unique structural characteristics, including less structural degradation than conventional lignins.
Claims32
A technical lignin comprising:
- a methoxyl content of about 100 units to about 122 units, per 100 aromatic units;
- and
- an oxygenated aliphatic content of about 95 units to about 150 units, per 100 aromatic units.
A technical lignin comprising:
- a methoxyl content of about 100 units to about 140 units, per 100 aromatic units;
- and
- an oxygenated aliphatic content of about 95 units to about 120 units, per 100 aromatic units.
A technical lignin comprising:
- a methoxyl content of about 100 units to about 116 units, per 100 aromatic units;
- and
- an oxygenated aliphatic content of about 80 units to about 150 units, per 100 aromatic units.
A technical lignin having a 1H—13C HSQC NMR spectrum comprising the cross peaks shown in FIG. 4.
A technical lignin having a 13C NMR spectrum comprising the spectrum shown in FIG. 5.
Dependencies are inferred from the claim text.