Nonaqueous electrolytic solution for electric double layer capacitor

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 9905375
APP PUB NO 20160372274A1
SERIAL NO

14901829

Stats

ATTORNEY / AGENT: (SPONSORED)

Importance

Loading Importance Indicators... loading....

Abstract

See full text

Provided is a nonaqueous electrolytic solution that provides an electric double layer capacitor having excellent durability. The nonaqueous electrolytic solution is prepared by dissolving a quaternary ammonium salt as an electrolyte in a nonaqueous solvent, and the nonaqueous electrolytic solution comprises a diethylpyrrolidinium salt and/or a 1-ethyl-1,3-dimethylpyrrolidinium salt.

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

First Claim

See full text

Family

Loading Family data... loading....

Patent Owner(s)

  • OTSUKA CHEMICAL CO., LTD.

International Classification(s)

  • [Classification Symbol]
  • [Patents Count]

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Hiketa, Shoji Tokushima, JP 6 13
Nakagawa, Taiji Tokushima, JP 10 38
Sorajo, Koichi Tokushima, JP 3 4
Tokumaru, Yoshihisa Tokushima, JP 9 17

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
7.5 Year Payment $3600.00 $1800.00 $900.00 Aug 27, 2025
11.5 Year Payment $7400.00 $3700.00 $1850.00 Aug 27, 2029
Fee Large entity fee small entity fee micro entity fee
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