US4562113A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrically conductive plastic complex material
Assignee: Meidensha Corp
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Filing: 1983-12-27
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Granted: 1985-12-31
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Expires: 2003-12-27
Abstract
Abstract Described is a degradation-resistant electrode for an electrochemical reaction comprising an electrically conductive plastics complex material comprising 18 to 50 wt. percent of the polyolefin polymer, 1 to 25 wt. percent of the electrically conductive carbon black and 25 to 75 wt. percent of one or more of graphite, calcium carbonate, talcum, alumina, silica and titania.
Inventors
- 👤 Kunio Yonahara
- 👤 Shingo Aimoto
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 18:32
CPC Classifications
C; C08; C08K; C08K3/00; C08K3/02; C08K3/04; C08K3/18; C08K3/20; C08K3/22; C08K3/24; C08K3/26; C08K3/34; C08K3/36; C09; C09C; C09C1/00; C09C1/44; C09C1/48; C09C1/56; H; H01; H01B; H01B1/00; H01B1/20; H01B1/24; H01M; H01M4/00; H01M4/02; H01M4/64; H01M4/66; H01M4/668; C01; C01P; C01P2004/00; C01P2004/60; C01P2004/61; C01P2004/62; C01P2006/00; C01P2006/10; C01P2006/12; C01P2006/40; Y; Y02; Y02E; Y02E60/00; Y02E60/10; Y10; Y10T; Y10T428/00; Y10T428/25; Y10T428/259; Y10T428/30; Y10T428/31504; Y10T428/31652; Y10T428/31667; Y10T428/31855; Y10T428/31938
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
72 words
An electrically conductive plastic complex material, said material being used as an electrode for an electrochemical reaction, said material consisting essentially of: a polyethylene polymer having a density of from 0.94 to 0.98 g/cm 3 , an electrically conductive carbon black; and an inorganic filler selected from the group consisting of calcium carbonate, talcum, alumina, silica, titania and mixtures thereof, wherein the filler has a particle size of 200 mesh or less.
Claim 2
Dependent Claim
72 words
An electrically conductive plastic complex material, said material being used as an electrode for an electrochemical reaction, said material consisting essentially of: a polyethylene polymer having a density of from 0.94 to 0.98 g/cm 3 , an electrically conductive carbon black; and an inorganic filler selected from the group consisting of calcium carbonate, talcum, alumina, silica, titania and mixtures thereof, wherein the filler has a particle size of 200 mesh or less.
Claim 3
Dependent Claim
61 words
An electrically conductive plastic complex material as claimed in claim 1 wherein the polyethylene polymer is present in an amount of 18 to 50 percent by weight, wherein the conductive carbon black is present in an amount of 1 to 25 percent by weight and wherein the inorganic filler is present in an amount of 25 to 75 percent by weight.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1988-12-30 | 1989-07-01 | 1989-12-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1992-12-30 | 1993-07-01 | 1993-12-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1996-12-30 | 1997-07-01 | 1997-12-31 | $7700.00 | Window Closed / Lapsed |