Process

Number of patents in Portfolio can not be more than 2000

United States of America

PATENT NO 11239485
APP PUB NO 20200203751A1
SERIAL NO

16810282

Stats

ATTORNEY / AGENT: (SPONSORED)

Importance

Loading Importance Indicators... loading....

Abstract

See full text

A process for the recovery of a perfluorosulphonic acid ionomer from a component comprising a perfluorosulphonic acid ionomer is disclosed, the process comprising immersing the component comprising the perfluorosulphonic acid ionomer in a solvent comprising an aliphatic diol and heating. Also disclosed is the use of the recovered perfluorosulphonic acid ionomer, for example in to prepared a proton conducting membrane or a catalyst ink.

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

First Claim

See full text

Family

Loading Family data... loading....

Patent Owner(s)

Patent OwnerAddress
JOHNSON MATTHEY HYDROGEN TECHNOLOGIES LIMITED25 FARRINGDON STREET 5TH FLOOR LONDON EC4A 4AB

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Coleman, Robert Jeffrey Swindon, GB 7 9
Haig, Sam Bramhall, GB 2 2
Plechkova, Natalia V Belfast, GB 4 29
Ralph, Thomas Robertson Swindon, GB 24 155

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 1, 2025
7.5 Year Payment $3600.00 $1800.00 $900.00 Aug 1, 2029
11.5 Year Payment $7400.00 $3700.00 $1850.00 Aug 1, 2033
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