Jin-gyu Lee

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Dendrimer solid acid and polymer electrolyte membrane...

Organic compounds -- part of the class 532-570 series – Organic compounds – Sulfonic acids or salts thereof
Reexamination Certificate

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Photosensitive polyimide composition, polyimide film and...

Radiation imagery chemistry: process – composition – or product th – Imaging affecting physical property of radiation sensitive... – Radiation sensitive composition or product or process of making
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Polymer electrolyte membrane and fuel cell including the...

Chemistry: electrical current producing apparatus – product – and – With pressure equalizing means for liquid immersion operation
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Polymer electrolyte membrane, method of manufacturing the...

Chemistry: electrical current producing apparatus – product – and – Fuel cell – subcombination thereof – or method of making or... – Fuel cell with solid electrolyte
Reexamination Certificate

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Polymer electrolyte membrane, method of manufacturing the...

Chemistry: electrical current producing apparatus – product – and – Fuel cell – subcombination thereof – or method of making or... – Fuel cell with solid electrolyte
Reexamination Certificate

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Profile ID: LFUS-PAI-P-2287102

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