US3231328A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Barium titanium citrate, barium titanate and processes for producing same
Assignee: Sprague Electric Co
•
Filing: 1962-03-19
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Granted: 1966-01-25
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Expires: 1982-03-19
Abstract
No abstract record available.
Inventors
- 👤 Maggio P Pechini
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 07:39
CPC Classifications
C; C07; C07C; C07C51/00; C07C51/41; C07C51/418; C01; C01G; C01G23/00; C01G23/003; C01G23/006; C04; C04B; C04B35/00; C04B35/01; C04B35/46; C04B35/462; C04B35/465; C04B35/468; C04B35/4682; C07F; C07F7/00; C07F7/003; C01P; C01P2002/00; C01P2002/10; C01P2002/80; C01P2002/88; C01P2006/00; C01P2006/80
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
40 words
A PROCESS FOR PREPARING BARIUM TITANIUM CITRATE COMPRISING, DISSOLVING BARIUM TITANATE IN A MINERAL ACID THAT FORMS THE WATER-SOLUBLE SALTS THEREOF, ADDING CITRIC ACID TO FORM A SOLUTION OF BARIUM TITANIUM CITRATE, REMOVING INSOLUBLE IMPURITIES THEREFROM, PRECIPITATING BARIUM TITANIUM CITRATE.
Claim 2
Dependent Claim
40 words
A PROCESS FOR PREPARING BARIUM TITANIUM CITRATE COMPRISING, DISSOLVING BARIUM TITANATE IN A MINERAL ACID THAT FORMS THE WATER-SOLUBLE SALTS THEREOF, ADDING CITRIC ACID TO FORM A SOLUTION OF BARIUM TITANIUM CITRATE, REMOVING INSOLUBLE IMPURITIES THEREFROM, PRECIPITATING BARIUM TITANIUM CITRATE.
Claim 3
Dependent Claim
13 words
AS A NEW AND USEFUL COMPOUND, BARIUM TITANIUM CITRATE HAVING THE EMPIRICAL FORMULA
Claim 4
Dependent Claim
13 words
AS A NEW AND USEFUL COMPOUND, BARIUM TITANIUM CITRATE HAVING THE EMPIRICAL FORMULA
Claim 5
Dependent Claim
41 words
A PROCESS FOR PREPARING BARIUM TITANIUM CITRATE WHICH COMPRISES, ADMIXING A TITANIUM CITRATE SOLUTION AND AN INORGANIC BARIUM SALT SOLUTION TO FORM A SOLUTION OF BARIUM TITANIUM CITRATE, REMOVING INSOLUBLE IMPURITIES THEREFROM, PRECIPITATING BARIUM TITANIUM CITRATE, WASHING AND DRYING SAID PRECIPITATE.
Claim 6
Dependent Claim
41 words
A PROCESS FOR PREPARING BARIUM TITANIUM CITRATE WHICH COMPRISES, ADMIXING A TITANIUM CITRATE SOLUTION AND AN INORGANIC BARIUM SALT SOLUTION TO FORM A SOLUTION OF BARIUM TITANIUM CITRATE, REMOVING INSOLUBLE IMPURITIES THEREFROM, PRECIPITATING BARIUM TITANIUM CITRATE, WASHING AND DRYING SAID PRECIPITATE.
Claim 7
Dependent Claim
52 words
A PROCESS FOR PREPARING BARIUM TITANATE COMPRISING, REACTING A TITANIUM CITRATE SOLUTION AND AN INORGANIC, BARIUM SALT SOLUTION TO FORM A SOLUTION OF BARIUM TITANIUM CITRATE, REMOVING INSOLUBLE IMPURITIES THEREFROM, PRECIPITATING BARIUM TITANIUM CITRTE, WASHING, DRYING AND CALCINING SAID CITRATE AT A TEMPERATURE OF AT LEAST ABOUT 690*C. TO FORM BARIUM TITANATE.
Claim 8
Dependent Claim
52 words
A PROCESS FOR PREPARING BARIUM TITANATE COMPRISING, REACTING A TITANIUM CITRATE SOLUTION AND AN INORGANIC, BARIUM SALT SOLUTION TO FORM A SOLUTION OF BARIUM TITANIUM CITRATE, REMOVING INSOLUBLE IMPURITIES THEREFROM, PRECIPITATING BARIUM TITANIUM CITRTE, WASHING, DRYING AND CALCINING SAID CITRATE AT A TEMPERATURE OF AT LEAST ABOUT 690*C. TO FORM BARIUM TITANATE.
References Cited (Backward Citations)
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Cited
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Cited
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Cited
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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) | 1969-01-24 | 1969-07-26 | 1970-01-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-24 | 1973-07-26 | 1974-01-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-24 | 1977-07-26 | 1978-01-25 | $7700.00 | Window Closed / Lapsed |