Patent · US Active

Copolymers comprising phosphonate and/or phosphonic acid groups, usable for forming fuel cell membranes

US9138691B2 · kind B2 · utility

0Cited by

0References

12Claims

0Family size

Assignees

COMMISSARIAT A L'ENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVES · FR
CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE · FR

Inventors

Russell Tayouo · Montpellier, FR
Ghislain David · Montpellier, FR
Bruno Ameduri · Montpellier, FR
Stéphanie Roualdes · Pau, FR
Herve Galiano · Saint-Pierre-des-Corps, FR
Jannick Bigarre · Tours, FR

Key dates

Filing date	Oct 19, 2010
Grant date	Sep 22, 2015
Priority date	—
Expiry date	Jan 18, 2033

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY02P70/50
WIPO fieldChemical engineering
WIPO sectorChemistry

Abstract

Copolymers comprising at least one recurrent unit of the following formula (I) are provided:and at least one recurrent unit of the following formula (II):wherein:

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.