POLYSACCHARIDES FOR VISCOSITY MODIFICATION
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United States of America Patent
Stats
-
N/A
Issued Date -
Aug 20, 2015
app pub date -
Feb 11, 2015
filing date -
Feb 14, 2014
priority date (Note) -
Published
status (Latency Note)
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Abstract
Compositions are disclosed herein comprising poly alpha-1,3-1,6-glucan with a weight average degree of polymerization (DPw) of at least 1000. This glucan polymer comprises at least 30% alpha-1,3 linkages and at least 30% alpha-1,6 linkages. Further disclosed are glucosyltransferase enzymes that synthesize poly alpha-1,3-1,6-glucan. Ether derivatives of poly alpha-1,3-1,6-glucan and methods of using such derivatives as viscosity modifiers are also disclosed.
First Claim
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Family

- 15 United States
- 10 France
- 8 Japan
- 7 China
- 5 Korea
- 2 Other
Patent Owner(s)
Patent Owner | Address | |
---|---|---|
E I DU PONT DE NEMOURS AND COMPANY | 1007 MARKET STREET WILMINGTON DE 19898 |
International Classification(s)

- 2015 Application Filing Year
- C08B Class
- 373 Applications Filed
- 266 Patents Issued To-Date
- 71.32 % Issued To-Date
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
---|---|---|---|
Brun, Yefim | Wilmington, US | 48 | 379 |
# of filed Patents : 48 Total Citations : 379 | |||
Dennes, T Joseph | Parkesburg, US | 41 | 601 |
# of filed Patents : 41 Total Citations : 601 | |||
Nambiar, Rakesh | West Chester, US | 43 | 299 |
# of filed Patents : 43 Total Citations : 299 | |||
PAULLIN, JAYME L | Claymont, US | 47 | 594 |
# of filed Patents : 47 Total Citations : 594 | |||
Payne, Mark S | Wilmington, US | 146 | 2125 |
# of filed Patents : 146 Total Citations : 2125 | |||
Scholz, Thomas | Bear, US | 34 | 464 |
# of filed Patents : 34 Total Citations : 464 |
Cited Art Landscape
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Patent Citation Ranking
- 57 Citation Count
- C08B Class
- 99.31 % this patent is cited more than
- 10 Age
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Maintenance Fees
Fee | Large entity fee | small entity fee | micro entity fee | due date |
---|---|---|---|---|
11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Feb 20, 2027 |
Fee | Large entity fee | small entity fee | micro entity fee |
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Surcharge - 11.5 year - Late payment within 6 months | $160.00 | $80.00 | $40.00 |
Surcharge after expiration - Late payment is unavoidable | $700.00 | $350.00 | $175.00 |
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