Patent US3657296A successfully refreshed from Google Patents.
US3657296A
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US
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Organogold compounds
Assignee: EIDP Inc
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Filing: 1970-07-30
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Granted: 1972-04-18
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Expires: 1990-07-30
Abstract
Abstract THERE IS PROVIDED NOVEL ORGANOLGOLD COMPOUNDS HAVING THE FOURMULA RNCAUR1 WHERE R IS AN ALKYL GROUP CONTAINING UP TO 12 CARBON ATOMS OR AN ARYL GROUP CONTAINING UP TO 12 CARBON ATOMS IN THE RING SYSTEM WHERE R1 IS AN ALKYL GROUP CONTAINING UP TO 12 CARBON ATOMS, AN ARYL GROUP CONTAINING UP TO 12 CARBON ATOMS IN THE RING SYSTEM OR A HETEROCYCLIC 5-OR 6-MEMBERED RING CONTAINING O, S OR N IN THE RING, AND AU IS GOLD IN THE + 1 OXIDATION STATE. THESE COMPOUNDS ARE USEFUL IN THE PRODUCTION OF GOLD FILMS.
Inventors
- 👤 Lawrence G Vaughan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 12:39
CPC Classifications
C; C23; C23C; C23C16/00; C23C16/06; C23C16/18; C07; C07F; C07F1/00; H; H05; H05K; H05K3/00; H05K3/10; H05K3/105; H05K2203/00; H05K2203/11; H05K2203/1105; H05K2203/12; H05K2203/121
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) | 1975-04-18 | 1975-10-18 | 1976-04-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-04-18 | 1979-10-18 | 1980-04-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-04-18 | 1983-10-18 | 1984-04-18 | $7700.00 | Window Closed / Lapsed |