Core-shell crosslinked hyaluronic acid gel particles, production method for same, and medical material

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 10806753
APP PUB NO 20180333430A1
SERIAL NO

16050269

Stats

ATTORNEY / AGENT: (SPONSORED)

Importance

Loading Importance Indicators... loading....

Abstract

See full text

A core-shell gel particle of the invention contains a crosslinked hyaluronic acid, has a higher equilibrium swelling capacity at the surface than at the center, the equilibrium swelling capacity showing a change curve with an inflection point from the center to the surface, and has a probe pushing force of 20 nN or less from the surface to a depth of 800 nm.

Loading the Abstract Image... loading....

First Claim

See full text

Family

Loading Family data... loading....

Patent Owner(s)

  • DENKA COMPANY LIMITED

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Fujii, Kenji Tokyo, JP 238 1498
Harada, Takafumi Tokyo, JP 14 24
Hashimoto, Masamichi Tokyo, JP 13 130
Nemoto, Harei Tokyo, JP 2 2
Ohno, Akio Tokyo, JP 41 650

Cited Art Landscape

Load Citation

Patent Citation Ranking

Forward Cite Landscape

Load Citation

Maintenance Fees

Fee Large entity fee small entity fee micro entity fee due date
3.5 Year Payment $1600.00 $800.00 $400.00 Apr 20, 2024
7.5 Year Payment $3600.00 $1800.00 $900.00 Apr 20, 2028
11.5 Year Payment $7400.00 $3700.00 $1850.00 Apr 20, 2032
Fee Large entity fee small entity fee micro entity fee
Surcharge - 3.5 year - Late payment within 6 months $160.00 $80.00 $40.00
Surcharge - 7.5 year - Late payment within 6 months $160.00 $80.00 $40.00
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