U.S. patents available from 1976 to present.
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Modified electrode material and its use

Patent 6348259 Issued on February 19, 2002. Estimated Expiration Date: Icon_subject March 30, 2019. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.

Patent References

3883368

Coherent manganese dioxide electrodes, process for their production, and electrochemical cells utilizing them
Patent #: 3945847
Issued on: 03/23/1976
Inventor: Kordesch ,   et al.

Manganese dioxide electrode
Patent #: 4028215
Issued on: 06/07/1977
Inventor: Lewis, et al.

Manganese dioxide electrodes
Patent #: 4072586
Issued on: 02/07/1978
Inventor: De Nora ,   et al.

Dry electric cells
Patent #: 4221853
Issued on: 09/09/1980
Inventor: Tye ,   et al.

Method and electrode with admixed fillers
Patent #: 4243503
Issued on: 01/06/1981
Inventor: Lieb ,   et al.

Manganese dioxide electrode for lithium batteries
Patent #: 4405699
Issued on: 09/20/1983
Inventor: Kruger

Electrode material, electrode and electrochemical cell
Patent #: 4422917
Issued on: 12/27/1983
Inventor: Hayfield

Rechargeable zinc/manganese dioxide cell
Patent #: 4451543
Issued on: 05/29/1984
Inventor: Dzieciuch ,   et al.

Lithium manganese oxide compound
Patent #: 5153081
Issued on: 10/06/1992
Inventor: Thackeray, et al.

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Inventors

Assignee

Application

No. 269536 filed on 03/30/1999

US Classes:

428/323, Including a second component containing structurally defined particles428/324, Mica428/328, Heavy metal or aluminum or compound thereof428/330, Alkali metal or alkaline earth metal or compound thereof429/224, Manganese component is active material429/232Having inorganic binder or conductive filler

Examiners

Primary: Le, Hoa Van

Attorney, Agent or Firm

Foreign Patent References

  • 19641970 DE. 04/12/1998
  • 0 747 982 EP. 11/12/1996
  • 0747982 EP. 12/12/1996
  • 2418965 FR. 09/12/1979
  • 57 090872 JP. 06/12/1982
  • 57090872 JP. 06/12/1982
  • 97 13285 WO. 04/12/1977
  • 9217910 WO. 10/12/1992
  • 92/17910 WO. 10/12/1992
  • 96/38866 WO. 12/12/1996
  • 9638866 WO. 12/12/1996
  • 97/13285 WO. 04/12/1997
  • 9713285 WO. 10/12/1997

International Classes

B32B 005/16
H01M 004/50

Foreign Application Priority Data

1996-10-10 DE

Abstract

The invention relates to novel manganese dioxide electrodes containing modified, electrochemically active manganese dioxide, a method for their production and their use in primary electrochemical cells. The manganese dioxide electrode contains coated or uncoated inorganic particles, in which the carrier particles consist of a material chosen from the group: mica, SiO2, Al2O3, ZrO2 and ZnO.

Other References

  • Patent Abstracts of Japan, vol. 006, No. 173 (Sep. 07, 1982)
  • Patent Abstracts of Japan, vol. 006, No. 173 (E-129) Sep. 7, 198
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