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US 9,000,075 B2Granted
Chemical modification of lignin and lignin derivatives
AssigneeCyclewood Solutions, Inc.
InventorsNhiem Cao, Kevin Oden, Wolfgang G. Glasser
Life of this patent
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Abstract
In one example implementation, a trans-esterified HPL can include a HPL and a polyester including polyester chains. The polyester may be an aliphatic polyester, a semi-aromatic polyester, or an aromatic polyester.
Claims13
A trans-esterified hydroxypropyl lignin (HPL) comprising:
- a HPL;
- and
- a polyester including polyester chains.
A trans-esterified hydroxypropyl lignin (HPL) blend comprising:
- a HPL;
- a polyester including polyester chains;
- and
- one or more additives.
1 more element
Dependencies are inferred from the claim text.