EP0066751A1 — Fuel cell provided with electrolyte plate made of electrical insulating long fibers
Assigned to Hitachi Ltd · Expires 1982-12-15 · 43y expired
What this patent protects
A fuel cell provided with an electrolyte retaining plate made of electrical insulating long fibers such as lithium aluminate long fibers which have preferably a length of 100 to 400 µm and a diameter of 1 to 4 µm, are interlocked each other and have vacant spaces for filling an e…
USPTO Abstract
A fuel cell provided with an electrolyte retaining plate made of electrical insulating long fibers such as lithium aluminate long fibers which have preferably a length of 100 to 400 µm and a diameter of 1 to 4 µm, are interlocked each other and have vacant spaces for filling an electrolyte can be constructed and operated safely without damaging the electrolyte retaining plate for a long period of time.
Drugs covered by this patent
Bibliographic data sourced from FDA Orange Book + USPTO public records. Plain-English summary generated by AI grounded in source text. Patent term extensions (PTR, SPC, pediatric) may shift the effective expiry. Not legal advice.
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