US3594205A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydrous oxide treated alkali titanates
Assignee: EIDP Inc
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Filing: 1968-04-29
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Granted: 1971-07-20
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Expires: 1988-04-29
Abstract
Abstract A FIBROUS ALKALI TITANATE IN INTIMATE ASSOCIATION WITH FROM 0.1 TO 25% BY WEIGHT BASED ON THE WEIGHT OF THE FIBROUS TITANATE, OF PRECIPTITATED ALUMINA, TITANIA OR ZIRCONIA HAS PARTICULAR UTILITY AS A PIGMENT IN PAPER MANUFACTURE AND AS AN INSULATING COMPOSITION.
Inventors
- 👤 Hugh C Gulledge
- 👤 George Leotasacos Lewis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 13:35
CPC Classifications
C; C09; C09C; C09C1/00; C09C1/36; C01; C01P; C01P2004/00; C01P2004/10; C01P2004/60; C01P2004/61; C01P2004/62; C01P2006/00; C01P2006/10; C01P2006/80; C01P2006/90
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-07-19 | 1975-01-18 | 1975-07-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-07-19 | 1979-01-18 | 1979-07-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-07-19 | 1983-01-18 | 1983-07-20 | $7700.00 | Window Closed / Lapsed |