Hollow platinum nanoparticles for fuel cells
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
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Sep 5, 2017
Grant Date -
Dec 26, 2013
app pub date -
Jun 24, 2013
filing date -
Jun 25, 2012
priority date (Note) -
In Force
status (Latency Note)
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Abstract
The present invention relates to hollow platinum nanoparticles with a diameter comprised between 3 and 20 nm which comprise a first central cavity and optionally at least one second cavity at the periphery of the first cavity, the shell of which is dense and single-crystal with a thickness comprised between 0.2 and 5 nm. The invention also relates to a method for manufacturing such nanoparticles, as well as to their use as an electrocatalyst in fuel cells.
First Claim
all claims..Other Claims data not available
Family
Country | kind | publication No. | Filing Date | Type | Sub-Type |
---|---|---|---|---|---|
FR | B1 | FR2992235 | Jun 25, 2012 | Patent | Grant |
Type : Patent Sub-Type : Grant | |||||
PATENT OF INVENTION (SECOND PUBLICATION) | NANOPARTICULES CREUSES DE PLATINE POUR PILES A COMBUSTIBLE | Apr 28, 2017 | |||
NO | T3 | NO2680353 | Jun 25, 2013 | Patent | Grant |
Type : Patent Sub-Type : Grant | |||||
TRANSLATED GRANTED PATENT | NANOPARTICULES CREUSES DE PLATINE POUR PILES A COMBUSTIBLE | Jan 01, 1970 | |||
EP | B1 | EP2680353 | Jun 25, 2013 | Patent | Grant |
Type : Patent Sub-Type : Grant | |||||
Patent | Nanoparticules creuses de platine pour piles à combustible | Oct 25, 2017 |
- 15 United States
- 10 France
- 8 Japan
- 7 China
- 5 Korea
- 2 Other
Patent Owner(s)
Patent Owner | Address | |
---|---|---|
CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE | 3 RUE MICHEL ANGE PARIS F-75016 | |
L'AIR LIQUIDE SOCIETE ANONYME POUR L'ETUDE ET L'EXPLOITATION DES PROCEDES GEORGES CLAUDE | PARIS FRANCE PARIS PARIS | |
INSTITUT POLYTECHNIQUE DE GRENOBLE | 46 AVENUE FÉLIX VIALLET GRENOBLE 38000 |
International Classification(s)

- 2013 Application Filing Year
- B82Y Class
- 1156 Applications Filed
- 1150 Patents Issued To-Date
- 99.49 % Issued To-Date
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
---|---|---|---|
Chatenet, Marian Julien | Meylan, FR | 1 | 3 |
# of filed Patents : 1 Total Citations : 3 | |||
Dubau, Laetitia | Grenoble, FR | 2 | 1 |
# of filed Patents : 2 Total Citations : 1 | |||
Durst, Julien Frederic Christophe | Grenoble, FR | 1 | 3 |
# of filed Patents : 1 Total Citations : 3 | |||
Maillard, Frederic Thibaut | Grenoble, FR | 1 | 3 |
# of filed Patents : 1 Total Citations : 3 | |||
Montaut, Audrey | Grenoble, FR | 2 | 5 |
# of filed Patents : 2 Total Citations : 5 | |||
Moutin, Sandrine | Grenoble, FR | 1 | 3 |
# of filed Patents : 1 Total Citations : 3 |
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Patent Citation Ranking
- 1 Citation Count
- B82Y Class
- 0 % this patent is cited more than
- 8 Age
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Maintenance Fees
Fee | Large entity fee | small entity fee | micro entity fee | due date |
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7.5 Year Payment | $3600.00 | $1800.00 | $900.00 | Mar 5, 2025 |
11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Mar 5, 2029 |
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Surcharge - 11.5 year - Late payment within 6 months | $160.00 | $80.00 | $40.00 |
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Surcharge after expiration - Late payment is unintentional | $1,640.00 | $820.00 | $410.00 |
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