Patent US3404187A successfully refreshed from Google Patents.
US3404187A
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Ethers of hydroxyalkyl phosphine oxides and the preparation thereof
Assignee: Olin Corp
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Filing: 1965-03-10
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Granted: 1968-10-01
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Expires: 1985-03-10
Abstract
No abstract record available.
Inventors
- 👤 Ehrenfried H Kober
- 👤 Gerhard F Ottmann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 07:07
CPC Classifications
C; C10; C10M; C10M3/00; C06; C06B; C06B45/00; C06B45/04; C06B45/06; C06B45/10; C06B45/105; C07; C07F; C07F9/00; C07F9/02; C07F9/28; C07F9/50; C07F9/53; C07F9/5304; C08; C08G; C08G18/00; C08G18/06; C08G18/28; C08G18/40; C08G18/48; C08G18/50; C08G18/5075; C08G18/5078; C10M2201/00; C10M2201/02; C10M2223/00; C10M2223/06; C10M2223/061; C10N; C10N2040/00; C10N2040/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB816069A
Cited
US3248429A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-10-01 | 1972-04-01 | 1972-10-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-10-01 | 1976-04-01 | 1976-10-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-10-01 | 1980-04-01 | 1980-10-01 | $7700.00 | Window Closed / Lapsed |