US3391114A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hompolymers and copolymers of 5-or 7-acrylamidomethylene-8-hydroxyquinoline and metal complexes thereof
Assignee: BASF Schweiz AG
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Filing: 1966-12-19
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Granted: 1968-07-02
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Expires: 1986-12-19
Abstract
No abstract record available.
Inventors
- 👤 Schaefer Paul
- 👤 Huber-Emden Helmut
- 👤 Hitz Hans-Rudolf
- 👤 Maeder Arthur
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 09:09
CPC Classifications
D; D06; D06M; D06M16/00; C; C07; C07D; C07D215/00; C07D215/02; C07D215/16; C07D215/20; C07D215/24; C07D215/26; C07D215/28; C08; C08F; C08F20/00; C08F20/02; C08F20/52; C08F20/54; C08F20/60
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) | 1971-07-02 | 1972-01-01 | 1972-07-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-07-02 | 1976-01-01 | 1976-07-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-07-02 | 1980-01-01 | 1980-07-02 | $7700.00 | Window Closed / Lapsed |