Patent US4789651A successfully refreshed from Google Patents.
Patent US3755536A successfully refreshed from Google Patents.
US3755536A
Expired / Lapsed
US
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Isotypic borates of aluminum rhodium and thallium of calcite type crystal structure
Assignee: EIDP Inc
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Filing: 1971-07-27
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Granted: 1973-08-28
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Expires: 1991-07-27
Abstract
Abstract DISCLOSED HEREIN ARE ISOTYPIC BORATES OF ALUMINUM, ALBO3, RHODIUM, RHBO3, AND THALLIUM, TLBO3, EACH HAVING THE CALCITE-TYPE CRYSTAL STRUCTURE; A PROCESS FOR MAKING THEM EMPLOYING HIGH TEMPERATURE AND HIGH PRESSURE AND USE(S) OF SAID BORATES.
Inventors
- 👤 T Bither
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 03:41
CPC Classifications
C; C01; C01B; C01B35/00; C01B35/08; C01B35/10; C01B35/06; C01B35/12; C09; C09K; C09K11/00; C09K11/08; C09K11/77; C09K11/7728; C09K11/774
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) | 1976-08-27 | 1977-02-26 | 1977-08-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-08-27 | 1981-02-26 | 1981-08-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-08-27 | 1985-02-26 | 1985-08-28 | $7700.00 | Window Closed / Lapsed |