PH-responsive polymer and drug delivery system

Number of patents in Portfolio can not be more than 2000

United States of America

PATENT NO 11890347
SERIAL NO

16468199

Stats

ATTORNEY / AGENT: (SPONSORED)

Importance

Loading Importance Indicators... loading....

Abstract

See full text

A pH-responsive polymer formed of a biocompatible polymer to which a group which is electrically neutral under pH environments of more than 7 and which changes to be cationic at pH 7 or less is bonded.

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

First Claim

See full text

Family

Loading Family data... loading....

Patent Owner(s)

  • TOKYO INSTITUTE OF TECHNOLOGY

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Matsui, Makoto Tokyo, JP 39 587
Nishiyama, Nobuhiro Tokyo, JP 54 425
Nomoto, Takahiro Tokyo, JP 13 10
Ranneh, Abdul-Hackam Tokyo, JP 1 0
Takemoto, Hiroyasu Tokyo, JP 18 56
Tomoda, Keishiro Tokyo, JP 8 6

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 Aug 6, 2027
7.5 Year Payment $3600.00 $1800.00 $900.00 Aug 6, 2031
11.5 Year Payment $7400.00 $3700.00 $1850.00 Aug 6, 2035
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