Patent US3331659A successfully refreshed from Google Patents.
US3331659A
Expired / Lapsed
US
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Process for producing lead titanate powder
Assignee: Individual
•
Filing: 1964-03-31
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Granted: 1967-07-18
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Expires: 1984-03-31
Abstract
No abstract record available.
Inventors
- 👤 Malloy Frank
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 16:44
CPC Classifications
B; B82; B82Y; B82Y30/00; C; C01; C01G; C01G23/00; C01G23/003; C04; C04B; C04B35/00; C04B35/01; C04B35/46; C04B35/48; C04B35/50; C04B35/51; C01P; C01P2004/00; C01P2004/60; C01P2004/64
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
54 words
THE METHOD OF MAKING A HOMOGENEOUS LEAD TITANATE POWDER OF HIGH PURITY AND FINE PARTICLE SIZE COMPRISING REACTING A LOWER ALKYL TITANATE OF THE GENERAL FORMULA TI(OR)4 WHEREIN R IS AN ALKYL RADICAL HAVING NOT MORE THAN FIVE CARBON ATOMS WITH A LEAD SALT OF A LOWER ALIPHATIC FATTY ACID OF THE GENERAL FORMULA
Claim 2
Independent Claim
54 words
THE METHOD OF MAKING A HOMOGENEOUS LEAD TITANATE POWDER OF HIGH PURITY AND FINE PARTICLE SIZE COMPRISING REACTING A LOWER ALKYL TITANATE OF THE GENERAL FORMULA TI(OR)4 WHEREIN R IS AN ALKYL RADICAL HAVING NOT MORE THAN FIVE CARBON ATOMS WITH A LEAD SALT OF A LOWER ALIPHATIC FATTY ACID OF THE GENERAL FORMULA
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) | 1970-07-17 | 1971-01-16 | 1971-07-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-07-17 | 1975-01-16 | 1975-07-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-07-17 | 1979-01-16 | 1979-07-18 | $7700.00 | Window Closed / Lapsed |