Method of preparing a grafted copolymer of lignin and/or cellulose
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United States of America Patent
Stats
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Jan 12, 2021
Grant Date -
Jul 4, 2019
app pub date -
Aug 24, 2017
filing date -
Aug 24, 2016
priority date (Note) -
In Force
status (Latency Note)
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Abstract
The present invention relates to a method of preparing grafted copolymers of lignin and/or cellulose, comprising the generation of macroradicals in situ by mechanical impact on the backbone of said lignin and/or cellulose of said lignin and/or cellulose containing material and grafting monomers and/or polymers to said backbone. Furthermore, the present invention relates to the grafted copolymers obtainable by said method, composite materials comprising said copolymers as well as to uses thereof.
First Claim
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International Classification(s)
- D21B:FIBROUS RAW MATERIALS OR THEIR MECHANICAL TREATMEN....
- C08H:DERIVATIVES OF NATURAL MACROMOLECULAR COMPOUNDS
- C08F:MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONL....
- D06M:TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D0....
- C08L:COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- D21C:PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE ....
- 2017 Application Filing Year
- D21B Class
- 55 Applications Filed
- 37 Patents Issued To-Date
- 67.28 % Issued To-Date
Cited Art Landscape
Patent Citation Ranking
- 0 Citation Count
- D21B Class
- 0 % this patent is cited more than
- 4 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 | Jul 12, 2028 |
| 11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Jul 12, 2032 |
