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Carbon material for lithium-ion secondary battery negative electrode, low-crystalline carbon impregnated carbon material for lithium-ion secondary battery negative electrode, negative electrode plate, and lithium-ion secondary battery

US 2009/0280413 A1 · Assignee: TOYO TANSO CO., LTD · Inventors: Ohta; Naoto et al.

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Listed from its USPTO record in Patent Yard's full-term archive. Its claims, description and drawings are in the USPTO PDF and on Google Patents, and the Claude kit works from them.

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Why it's free to use

  • Published November 12, 2009, and no patent has issued anywhere in its US family since.
  • Nothing has been filed in its family for more than seven years, so it is very unlikely to still be pending.
  • This status is inferred from USPTO records. Confirm it on Patent Center before relying on it.
FiledJuly 6, 2007
PublishedNovember 12, 2009
StatusAbandoned (inferred)
Application number12/439311
Classification (CPC)H01M10/0525 +2 more
Length8 pages

Timeline

Timeline From USPTO dates

20082009Application filedJuly 6, 2007Application publishedNov 12, 2009

Sources & verification

Official USPTO records

Full published documentText and every drawing sheet as a PDF.USPTOFile historyStatus, office actions, notices, fee records and petitions.USPTO Patent CenterPatent Public Search recordSearchable full text and bibliographic data.USPTO

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