Hyper-branched polymer, electrode and electrolyte membrane including the hyper-branched polymer, and fuel cell including at least one of the electrode and the electrolyte membrane
US9178218B2 · kind B2 · utility
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25Claims
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Key dates
| Filing date | Feb 2, 2011 |
| Grant date | Nov 3, 2015 |
| Priority date | — |
| Expiry date | Feb 3, 2033 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P70/50
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A hyper-branched polymer, which is a product obtained by performing condensation polymerization reaction of a hyper-branched polymer composition including a diisocyanate-based compound and a dihydroxyamine-based compound, a cross-linked hyper-branched polymer, an electrode and electrolyte membrane for a fuel cell including the hyper-branched polymer or the cross-linked hyper-branched polymer, and a fuel cell including the electrode and the electrolyte membrane.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.