DRUG CONTAINING CATIONIZED CHITOSAN
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United States of America Patent
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N/A
Issued Date -
Jul 7, 2016
app pub date -
Aug 7, 2014
filing date -
Aug 7, 2014
priority date (Note) -
Published
status (Latency Note)
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Importance

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Abstract
A task of the invention is to provide an art that inhibits the hemorrhagic activity exhibited by sulfated glycosaminoglycans, as well as a material, a medical material, and a drug that use a sulfated glycosaminoglycan while being free of the hemorrhaging problems caused by sulfated glycosaminoglycans and that can exhibit an excellent therapeutic effect on biological tissues. The present invention relates to an inhibitor of the hemorrhagic activity originating from sulfated glycosaminoglycans, the inhibitor having a cationized chitosan as an active ingredient.
First Claim
all claims..Other Claims data not available
Family
Country | kind | publication No. | Filing Date | Type | Sub-Type |
---|---|---|---|---|---|
CN | B | CN105451745 | Aug 07, 2014 | Patent | Grant |
Type : Patent Sub-Type : Grant | |||||
GRANTED PATENT FOR INVENTION | Medicine containing cationization chitosan | Mar 27, 2018 | |||
WO | A1 | WO2015022907 | Aug 07, 2014 | Patent | Application |
Type : Patent Sub-Type : Application | |||||
INTERNATIONAL APPLICATION PUBLISHED WITH INTERNATIONAL SEARCH REPORT | カチオン化キトサンを含有する医薬 | Feb 19, 2015 | |||
JP | B2 | JP6437916 | Aug 07, 2014 | Patent | Grant |
Type : Patent Sub-Type : Grant | |||||
PUBLISHED GRANTED PATENT (SECOND LEVEL) | カチオン化キトサンを含有する医薬 | Dec 12, 2018 | |||
EP | B1 | EP3034085 | Aug 07, 2014 | Patent | Grant |
Type : Patent Sub-Type : Grant | |||||
Patent | DRUG CONTAINING CATIONIZED CHITOSAN | Oct 23, 2019 | |||
US | A1 | US20180318334 | Jul 13, 2018 | Patent | Application |
Type : Patent Sub-Type : Application | |||||
FIRST PUBLISHED PATENT APPLICATION | DRUG CONTAINING CATIONIZED CHITOSAN | Nov 08, 2018 | |||
JP | A | JP2019042527 | Nov 15, 2018 | Patent | Application |
Type : Patent Sub-Type : Application | |||||
Published unexamined patent application | カチオン化キトサンを含有する医薬 | Mar 22, 2019 |
- 15 United States
- 10 France
- 8 Japan
- 7 China
- 5 Korea
- 2 Other
Patent Owner(s)
Patent Owner | Address | |
---|---|---|
SEIKAGAKU CORPORATION | TOKYO |
International Classification(s)

- 2014 Application Filing Year
- A61K Class
- 14144 Applications Filed
- 11600 Patents Issued To-Date
- 82.02 % Issued To-Date
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
---|---|---|---|
MUNEMURA, Yuichi | Tokyo, JP | 2 | 19 |
# of filed Patents : 2 Total Citations : 19 | |||
OTA, Naoki | Tokyo, JP | 130 | 3978 |
# of filed Patents : 130 Total Citations : 3978 | |||
OTSUKA, Akira | Tokyo, JP | 58 | 915 |
# of filed Patents : 58 Total Citations : 915 |
Cited Art Landscape
- No Cited Art to Display

Patent Citation Ranking
- 19 Citation Count
- A61K Class
- 91.06 % this patent is cited more than
- 9 Age
Forward Cite Landscape
- No Forward Cites to Display

Maintenance Fees
Fee | Large entity fee | small entity fee | micro entity fee | due date |
---|---|---|---|---|
11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Jan 7, 2028 |
Fee | Large entity fee | small entity fee | micro entity fee |
---|---|---|---|
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 |
Surcharge after expiration - Late payment is unintentional | $1,640.00 | $820.00 | $410.00 |
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