Patent US3386859A successfully refreshed from Google Patents.
US3386859A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Porous electrode comprising hydrophobic binder and hydrophilic material incorporated therein and method of fabricating same
Assignee: Union Oil Company of California
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Filing: 1964-11-04
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Granted: 1968-06-04
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Expires: 1984-11-04
Abstract
No abstract record available.
Inventors
- 👤 Royce E Biddick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 17:40
CPC Classifications
H; H01; H01M; H01M4/00; H01M4/86; Y; Y02; Y02E; Y02E60/00; Y02E60/30; Y02E60/50
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
53 words
IN AN ELECTROCHEMICALLY REACTIVE POROUS ELECTRODE COMPRISING A BODY OF ELECTRICALLY CONDUCTIVE SUBSTRATE HAVING ADHERING THERETO A LAYER INCLUDING CATALYST PARTICLES AND A HYDROPHOBIC BINDER COMPRISING A FLUOROCARBON RESIN, THE IMPROVEMENT IN WHICH SAID LAYER ALSO INCLUDES A FILLER OF ASBESTOS FIBERS INCORPORATED THEREIN TO FORM FLUIDCONDUCTING PATHS SUBSTANTIALLY COEXTENSIVE WITH SAID BODY.
Claim 2
Dependent Claim
53 words
IN AN ELECTROCHEMICALLY REACTIVE POROUS ELECTRODE COMPRISING A BODY OF ELECTRICALLY CONDUCTIVE SUBSTRATE HAVING ADHERING THERETO A LAYER INCLUDING CATALYST PARTICLES AND A HYDROPHOBIC BINDER COMPRISING A FLUOROCARBON RESIN, THE IMPROVEMENT IN WHICH SAID LAYER ALSO INCLUDES A FILLER OF ASBESTOS FIBERS INCORPORATED THEREIN TO FORM FLUIDCONDUCTING PATHS SUBSTANTIALLY COEXTENSIVE WITH SAID BODY.
Claim 3
Independent Claim
63 words
A METHOD OF PRODUCING AN ELECTROCHEMICALLY REACTIVE POROUS ELECTRODE COMPRISING THE STEPS OF: (A) TREATING ELECTROCHEMICAL CATALYST PARTICLES WITH A HYDROPHOBIC MATERIAL COMPRISING A FLUOROCARBON RESIN; (B) MIXING THE TREATED CATALYST WITH ASBESTOS FIBERS COMPRISING AT LEAST 0.1 WEIGHT PERCENT OF SAID CATALYST TO OBTAIN A PLIABLE MIXTURE; AND (C) APPLYING AN ADHERENT LAYER OF SAID PLIABLE MIXTURE TO AN ELECTRICALLY CONDUCTIVE SUPPORT.
Claim 4
Independent Claim
63 words
A METHOD OF PRODUCING AN ELECTROCHEMICALLY REACTIVE POROUS ELECTRODE COMPRISING THE STEPS OF: (A) TREATING ELECTROCHEMICAL CATALYST PARTICLES WITH A HYDROPHOBIC MATERIAL COMPRISING A FLUOROCARBON RESIN; (B) MIXING THE TREATED CATALYST WITH ASBESTOS FIBERS COMPRISING AT LEAST 0.1 WEIGHT PERCENT OF SAID CATALYST TO OBTAIN A PLIABLE MIXTURE; AND (C) APPLYING AN ADHERENT LAYER OF SAID PLIABLE MIXTURE TO AN ELECTRICALLY CONDUCTIVE SUPPORT.
References Cited (Backward Citations)
US2924634A
Cited
US3020327A
Cited
US3134697A
Cited
US3113048A
Cited
FR1296819A
Cited
US3097116A
Cited
GB935415A
Cited
GB938708A
Cited
US3203834A
Cited
US3215562A
Cited
US3234050A
Cited
US3248267A
Cited
US3328205A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-06-04 | 1971-12-04 | 1972-06-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-06-04 | 1975-12-04 | 1976-06-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-06-04 | 1979-12-04 | 1980-06-04 | $7700.00 | Window Closed / Lapsed |