Derivatives of native lignin from softwood feedstocks
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United States of America Patent
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Oct 6, 2015
Grant Date -
Jul 24, 2014
app pub date -
Feb 24, 2014
filing date -
May 28, 2009
priority date (Note) -
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status (Latency Note)
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Abstract
The present invention relates to softwood lignin derivatives having an aliphatic hydroxyl content of from about 2.5 mmol/g to about 7 mmol/g lignin, and the preparation method thereof. The lignin derivatives have a desired antioxidant activity characterized by radical scavenging index (RSI). Another aspect of the invention relates to compositions comprising the softwood lignin derivative. Another aspect of the invention relates to a use of the softwood lignin derivatives comprising incorporating the softwood lignin derivatives into polymer compositions.
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International Classification(s)
- C08J:WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTE....
- C09K:MATERIALS FOR APPLICATIONS NOT OTHERWISE PROVIDED ....
- A61K:PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOS....
- C08H:DERIVATIVES OF NATURAL MACROMOLECULAR COMPOUNDS
- C07G:COMPOUNDS OF UNKNOWN CONSTITUTION
- A23L:FOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT....
- A23K:FODDER
- C08L:COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08K:USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUB....
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