US3223601A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process of forming dielectric materials for condensers
Assignee: Saint Gobain Quartz SAS
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Filing: 1960-06-14
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Granted: 1965-12-14
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Expires: 1980-06-14
Abstract
No abstract record available.
Inventors
- 👤 Henri J C George
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 19:22
CPC Classifications
H; H01; H01G; H01G9/00; H01G9/0029; H01G9/0032; C; C25; C25D; C25D11/00; C25D11/02; C25D11/26; H01B; H01B3/00; H01B3/02; H01B3/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
86 words
THE PROCESS OF FORMING DIELECTRIC MATERIALS FOR CONDENSERS UTILIZING TITANIUM DIOXIDE AS A RAW MATERIAL WHICH COMPRISES PLACING A QUANTITY OF THE TITANIUM DIOXIDE IN A CHAMBER IN THE PRESENCE OF A REDUCING MATERIAL, SIMULTANEOUSLY EVACUATING SAID CHAMBER AND HEATING SAID TITANIUM DIOXIDE TO A TEMPERATURE IN EXCESS OF THAT NECESSARY TO EVAPORATE SAID TITANIUM DIOXIDE UNTIL DECOMPOSITION OF SAID TITANIUM DIOXIDE TAKES PLACE, COLLECTING EVAPORATED MATERIAL IN THE FORM OF A LAYER OF SUB-OXIDES, REMOVING SAID LAYER FROM SAID CHAMBER, AND ELECTROLYTICALLY OXIDIZING SAID LAYER.
Claim 2
Dependent Claim
86 words
THE PROCESS OF FORMING DIELECTRIC MATERIALS FOR CONDENSERS UTILIZING TITANIUM DIOXIDE AS A RAW MATERIAL WHICH COMPRISES PLACING A QUANTITY OF THE TITANIUM DIOXIDE IN A CHAMBER IN THE PRESENCE OF A REDUCING MATERIAL, SIMULTANEOUSLY EVACUATING SAID CHAMBER AND HEATING SAID TITANIUM DIOXIDE TO A TEMPERATURE IN EXCESS OF THAT NECESSARY TO EVAPORATE SAID TITANIUM DIOXIDE UNTIL DECOMPOSITION OF SAID TITANIUM DIOXIDE TAKES PLACE, COLLECTING EVAPORATED MATERIAL IN THE FORM OF A LAYER OF SUB-OXIDES, REMOVING SAID LAYER FROM SAID CHAMBER, AND ELECTROLYTICALLY OXIDIZING SAID LAYER.
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) | 1968-12-13 | 1969-06-14 | 1969-12-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-12-13 | 1973-06-14 | 1973-12-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-12-13 | 1977-06-14 | 1977-12-14 | $7700.00 | Window Closed / Lapsed |