Patent US5144550A successfully refreshed from Google Patents.
Patent US3373119A successfully refreshed from Google Patents.
US3373119A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ternary metallic oxide agglomerate and method of preparation
Assignee: General Electric Co
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Filing: 1965-12-01
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Granted: 1968-03-12
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Expires: 1985-12-01
Abstract
No abstract record available.
Inventors
- 👤 Casimir W Krystyniak
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 09:42
CPC Classifications
H; H01; H01M; H01M8/00; H01M8/10; H01M8/12; B; B01; B01J; B01J2/00; B01J2/02; B01J2/04; B01J2/16; C; C01; C01B; C01B13/00; C01B13/14; C01P; C01P2004/00; C01P2004/30; C01P2004/32; C01P2004/50; Y; Y02; Y02E; Y02E60/00; Y02E60/30; Y02E60/50
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
129 words
IN A POWDER MASS CONSISTING OF DISCRETE PARTICLES OF METAL OXIDE COMPOSITION FOR THE PREPARATION OF A HIGH TEMPERATURE FUEL CELL COMPONENT, SAID FUEL CELL COMPONENT EXHIBITING BOTH IONIC AND ELECTRONIC CONDUCTIVITY AND COMPRISING A FIRST MATERIAL SELECTED FROM THE GROUP CONSISTING OF ZIRCONIA AND THORIA WITH SAID FIRST MATERIAL BEING STABILIZED WITH ONE OR MORE OXIDES SELECTED FROM THE GROUP CONSISTING OF CALCIUM OXIDE, YTTRIUM OXIDE, YTTERBIUM OXIDE AND A MIXTURE OF RARE EARTH OXIDES, AND A SECOND MATERIAL SELECTED FROM THE GROUP CONSISTING OF IRON OXIDE, COBALT OXIDE, NICKEL OXIDE, TITANIUM OXIDE, ZINC OXIDE, TITANIUM OXIDE-IRON OXIDE, ZINC OXIDE-IRON OXIDE AND ZINE OXIDE-LEAD OXIDE, THE IMPROVEMENT COMPRISING THE DISCRETE PARTICLES EACH BEING SUBSTANTIALLY SPHERICALLY-SHAPED AGGLOMERATES SUBSTANTIALLY UNIFORM IN COMPOSITION WITH RESPECT TO THE RESQUISITE COMPONENT METAL OXIDES.
Claim 2
Dependent Claim
129 words
IN A POWDER MASS CONSISTING OF DISCRETE PARTICLES OF METAL OXIDE COMPOSITION FOR THE PREPARATION OF A HIGH TEMPERATURE FUEL CELL COMPONENT, SAID FUEL CELL COMPONENT EXHIBITING BOTH IONIC AND ELECTRONIC CONDUCTIVITY AND COMPRISING A FIRST MATERIAL SELECTED FROM THE GROUP CONSISTING OF ZIRCONIA AND THORIA WITH SAID FIRST MATERIAL BEING STABILIZED WITH ONE OR MORE OXIDES SELECTED FROM THE GROUP CONSISTING OF CALCIUM OXIDE, YTTRIUM OXIDE, YTTERBIUM OXIDE AND A MIXTURE OF RARE EARTH OXIDES, AND A SECOND MATERIAL SELECTED FROM THE GROUP CONSISTING OF IRON OXIDE, COBALT OXIDE, NICKEL OXIDE, TITANIUM OXIDE, ZINC OXIDE, TITANIUM OXIDE-IRON OXIDE, ZINC OXIDE-IRON OXIDE AND ZINE OXIDE-LEAD OXIDE, THE IMPROVEMENT COMPRISING THE DISCRETE PARTICLES EACH BEING SUBSTANTIALLY SPHERICALLY-SHAPED AGGLOMERATES SUBSTANTIALLY UNIFORM IN COMPOSITION WITH RESPECT TO THE RESQUISITE COMPONENT METAL OXIDES.
Claim 3
Dependent Claim
176 words
IN THE PREPARATION OF A POWDER MASS CONSISTING OF DISCRETE PARTICLES OF METAL OXIDE COMPOSITION FOR THE PREPARATION OF A HIGH TEMPERATURE FUEL CELL COMPONENT, SAID FUEL CELL COMPONENT EXHIBITING BOTH IONIC AND ELECTRONIC CONDUCTIVITY AND COMPRISING A FIRST MATERIAL SELECTED FROM THE GROUP CONSISTING OF ZIRCONIA AND THORIA WITH SAID FIRST MATERIAL BEING STABILIZED WITH ONE OR MORE OXIDES SELECTED FROM THE GROUP CONSISTING OF CALCIUM OXIDE, YTTRIUM OXIDE, YTTERBIUM OXIDE, AND A MIXTURE OF RARE EARTH OXIDES, AND A SECOND MATERIAL SELECTED FROM THE GROUP CONSISTING OF IRON OXIDE, COBALT OXIDE, NICKEL OXIDE, TITANIUM OXIDE, ZINC OXIDE, TITANIUM OXIDE-IRON OXIDE, ZINC OXIDE-IRON OXIDE AND ZINC OXIDE-LEAD OXIDE, THE IMPROVEMENT COMPRISING THE STEPS OF (A) PREPARING A SLURRY CONTAINING THE REQUISITE FINELYDIVIDED COMPONENT METAL OXIDES IN THE DESIRED PROPORTIONS IN A LIQUID COMPRISING ONE OR MORE OF THE GROUP CONSISTING OF WATER AND ALCOHOL, (B) SPRAY DRYING SAID SLURRY, AND (C) COLLECTING THE MASS OF DISCRETE PARTICLES OF AGGLOMERATED METAL OXIDES PRODUCED THEREFROM, SAID PARTICLES BEING SUBSTANTIALLY UNIFORM IN COMPOSITION AND SUBSTANTIALLY SPHERICAL IN CONFIGURATION.
Claim 4
Dependent Claim
176 words
IN THE PREPARATION OF A POWDER MASS CONSISTING OF DISCRETE PARTICLES OF METAL OXIDE COMPOSITION FOR THE PREPARATION OF A HIGH TEMPERATURE FUEL CELL COMPONENT, SAID FUEL CELL COMPONENT EXHIBITING BOTH IONIC AND ELECTRONIC CONDUCTIVITY AND COMPRISING A FIRST MATERIAL SELECTED FROM THE GROUP CONSISTING OF ZIRCONIA AND THORIA WITH SAID FIRST MATERIAL BEING STABILIZED WITH ONE OR MORE OXIDES SELECTED FROM THE GROUP CONSISTING OF CALCIUM OXIDE, YTTRIUM OXIDE, YTTERBIUM OXIDE, AND A MIXTURE OF RARE EARTH OXIDES, AND A SECOND MATERIAL SELECTED FROM THE GROUP CONSISTING OF IRON OXIDE, COBALT OXIDE, NICKEL OXIDE, TITANIUM OXIDE, ZINC OXIDE, TITANIUM OXIDE-IRON OXIDE, ZINC OXIDE-IRON OXIDE AND ZINC OXIDE-LEAD OXIDE, THE IMPROVEMENT COMPRISING THE STEPS OF (A) PREPARING A SLURRY CONTAINING THE REQUISITE FINELYDIVIDED COMPONENT METAL OXIDES IN THE DESIRED PROPORTIONS IN A LIQUID COMPRISING ONE OR MORE OF THE GROUP CONSISTING OF WATER AND ALCOHOL, (B) SPRAY DRYING SAID SLURRY, AND (C) COLLECTING THE MASS OF DISCRETE PARTICLES OF AGGLOMERATED METAL OXIDES PRODUCED THEREFROM, SAID PARTICLES BEING SUBSTANTIALLY UNIFORM IN COMPOSITION AND SUBSTANTIALLY SPHERICAL IN CONFIGURATION.
References Cited (Backward Citations)
US2976433A
Cited
US3219730A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-03-12 | 1971-09-11 | 1972-03-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-03-12 | 1975-09-11 | 1976-03-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-03-12 | 1979-09-11 | 1980-03-12 | $7700.00 | Window Closed / Lapsed |