US3769210A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Chalcogenides intercalated with ammonium and non-heavy metal inorganic salts and hydroxides
Assignee: SYNVAR ASS
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Filing: 1970-11-25
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Granted: 1973-10-30
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Expires: 1990-11-25
Abstract
Abstract NOVEL COMPOSITIONS OF MATTER FORMED OFAMMONIUM AND NON-HEAVY METAL INORGANIC SALT AND HYDROXIDE INTERCALATES AND HEAVY METAL LAYERED CHALCOGENIDES, WHEREIN THE CHALOCOGEN IS SELECTED FROM SULFUR, SELENIUM AND/OR TELLURIUM. THE NOVEL INTERCALATED COMPOUNDS DISPLAY ADVANTAGEOUS CHARACTERISTICS WHEN UTILIZED AS SOLID LUBRICANTS, AND AS X-RAY DIFFRACTION GRATING CRYSTALS. CERTAIN OF THE INTERCALATED TRANSITION METAL CHALCOGENIDES ALSO EXHIBIT UNIQUE SUPERCONDUCTIVITY CHARACTERISTICS.
Inventors
- 👤 J Osiecki
- 👤 M Cais
- 👤 F Gamble
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 21:04
CPC Classifications
C; C10; C10M; C10M103/00; C10M103/06; C10M2201/00; C10M2201/06; C10M2201/061; C10M2201/062; C10M2201/063; C10M2201/065; C10M2201/08; C10M2201/081; C10M2201/082; C10M2201/084; C10M2201/085; C10M2201/087; C10M2201/16; C10M2201/18; C10N; C10N2010/00; C10N2010/02; C10N2010/04
Claims Analysis
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References Cited (Backward Citations)
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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) | 1976-10-29 | 1977-04-30 | 1977-10-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-10-29 | 1981-04-30 | 1981-10-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-10-29 | 1985-04-30 | 1985-10-30 | $7700.00 | Window Closed / Lapsed |