Patent US3098802A successfully refreshed from Google Patents.
US3098802A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Diaphragm for use in electrolysis
Assignee: AMALGAMATED CURACAO PATENTS CO
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Filing: 1959-10-22
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Granted: 1963-07-23
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Expires: 1979-10-22
Abstract
No abstract record available.
Inventors
- 👤 Beer Henri Bernard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 01:44
CPC Classifications
C; C25; C25B; C25B13/00; C25B13/04; C25B13/05
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
74 words
A METHOD OF CARRYING OUT ELECTROLYSIS IN WHICH IT IS DESIRED TO KEEP TWO PORTIONS OF THE ELECTROLYTE SEPARATED YET ALLOW IONS TO MIGRATE TO THE ELECTRODES, COMPRISING PLACING A DIAPHRAGM OF A METAL SELECTED FROM THE GROUP CONSISTING OF TITANIUM AND TITANIUM ALLOY, SAID DIAPHRAGM HAVING PORES THERETHROUGH OF A SIZE SUCH THAT SUBSTANTIALLY NO INTERMINGLING OF LIQUIDS ON OPPOSITE SIDES THEREOF CAN TAKE PLACE AND HAVING A BARRIER LAYER OF TITANIUM OXIDE
Claim 2
Independent Claim
74 words
A METHOD OF CARRYING OUT ELECTROLYSIS IN WHICH IT IS DESIRED TO KEEP TWO PORTIONS OF THE ELECTROLYTE SEPARATED YET ALLOW IONS TO MIGRATE TO THE ELECTRODES, COMPRISING PLACING A DIAPHRAGM OF A METAL SELECTED FROM THE GROUP CONSISTING OF TITANIUM AND TITANIUM ALLOY, SAID DIAPHRAGM HAVING PORES THERETHROUGH OF A SIZE SUCH THAT SUBSTANTIALLY NO INTERMINGLING OF LIQUIDS ON OPPOSITE SIDES THEREOF CAN TAKE PLACE AND HAVING A BARRIER LAYER OF TITANIUM OXIDE
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-07-22 | 1967-01-21 | 1967-07-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-07-22 | 1971-01-21 | 1971-07-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-07-22 | 1975-01-21 | 1975-07-23 | $7700.00 | Window Closed / Lapsed |