Patent US3390160A successfully refreshed from Google Patents.
US3390160A
Expired / Lapsed
US
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Process for the production of complex salts of bis-(omicron-hydroxy-aryl) sulphides and divalent metals
Assignee: Bayer AG
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Filing: 1964-05-04
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Granted: 1968-06-25
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Expires: 1984-05-04
Abstract
No abstract record available.
Inventors
- 👤 Heller Karl-Heinz
- 👤 Nentwig Joachim
- 👤 Schnell Hermann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 09:15
CPC Classifications
C; C07; C07C; C07C323/00; C07F; C07F1/00; C07F1/005; C07F15/00; C07F15/04; C07F15/045; C07F15/06; C07F15/065; C07F3/00; C07F3/10; C07F3/103
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) | 1971-06-25 | 1971-12-25 | 1972-06-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-06-25 | 1975-12-25 | 1976-06-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-06-25 | 1979-12-25 | 1980-06-25 | $7700.00 | Window Closed / Lapsed |