US3352888A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Organometallo-semiconducting materials
Assignee: Wyeth Holdings LLC
•
Filing: 1964-11-02
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Granted: 1967-11-14
•
Expires: 1984-11-02
Abstract
No abstract record available.
Inventors
- 👤 Matsunaga Yoshio
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 16:18
CPC Classifications
C; C07; C07F; C07F17/00; C07F17/02; H; H10; H10K; H10K85/00; H10K85/60; H10K85/611
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
38 words
AN ORGANOMETALLO MOLECULAR COMPLEX OF THE FORMULA: (D)(+)(A)2(-) WHEREIN D IS A METALLOCINIUM MOIETY SELECTED FROM THE GROUP CONSISTING OF FERRICINIUM AND COBALATICINIUM AND A IS A TETRAHALOGENO-P-DIPHENOQUINONE MOIETY SELECTED FROM THE GROUP CONSISTING OF TETRACHLORO-P-DIPHENOQUINONE AND TETRABROMO-P-DIPHENOQUINONE.
Claim 2
Dependent Claim
38 words
AN ORGANOMETALLO MOLECULAR COMPLEX OF THE FORMULA: (D)(+)(A)2(-) WHEREIN D IS A METALLOCINIUM MOIETY SELECTED FROM THE GROUP CONSISTING OF FERRICINIUM AND COBALATICINIUM AND A IS A TETRAHALOGENO-P-DIPHENOQUINONE MOIETY SELECTED FROM THE GROUP CONSISTING OF TETRACHLORO-P-DIPHENOQUINONE AND TETRABROMO-P-DIPHENOQUINONE.
References Cited (Backward Citations)
US3255392A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-11-13 | 1971-05-15 | 1971-11-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-11-13 | 1975-05-15 | 1975-11-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-11-13 | 1979-05-15 | 1979-11-14 | $7700.00 | Window Closed / Lapsed |