Patent US3851045A successfully refreshed from Google Patents.
US3851045A
Expired / Lapsed
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Lanthanide transition metal ternary chalcogenides
Assignee: EIDP Inc
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Filing: 1973-11-09
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Granted: 1974-11-26
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Expires: 1993-11-09
Abstract
Abstract 1. TERNARY CHALCOGENIDES OF THE FORMULA LN+3M+4X3-2 WHEREIN LN+3 IS A TRIVALENT CATION SELECTRED FROM THE GROUP CONSISTING OF BISMUTH, YTTRIUM AND THE LANTHANIDE ELEMENTS OF ATONIC NUMBER 57 THROUGH 71 INCLUSIVE, M+4 IS A TRIVALENT TRANSITION METAL CATION SELECTED FROOM THE GROUP CONSISTING OF TITANIUM, VANADIUM, NIOBIUM AND TANTALUM, X-2 IS A DIVALENT CHALCOGENIDE ANION SELECTED FROM THE GROUP CONSISTING OF SULFUR AND SELENIUM, AND THE IONIC RADIUS RATIO IS AT LEAST 0.82.
Inventors
- 👤 P Donohue
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 02:17
CPC Classifications
C; C01; C01B; C01B19/00; C01B19/007; C01G; C01G23/00; C01G23/002; C01G31/00; C01G31/006; C10; C10M; C10M103/00; C10M103/06; C01P; C01P2002/00; C01P2002/70; C01P2002/76; C01P2002/77; C01P2002/80; C01P2002/88; C01P2004/00; C01P2004/20; C01P2006/00; C01P2006/40; C01P2006/60; C01P2006/80; C10M2201/00; C10M2201/06; C10M2201/065
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
5 words
TERNARY CHALCOGENIDES OF THE FORMULA
Claim 2
Dependent Claim
5 words
TERNARY CHALCOGENIDES OF THE FORMULA
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) | 1977-11-25 | 1978-05-27 | 1978-11-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-11-25 | 1982-05-27 | 1982-11-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-11-25 | 1986-05-27 | 1986-11-26 | $7700.00 | Window Closed / Lapsed |