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US2813819A
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Hexaalkyl (ethyleneimino thiomethylidyne) triphosphonate
Assignee: Monsanto Chemicals Ltd
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Filing: 1956-05-18
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Granted: 1957-11-19
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Expires: 1976-05-18
Abstract
No abstract record available.
Inventors
- 👤 Gail H Birum
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 22:56
CPC Classifications
C; C07; C07D; C07D203/00; C07D203/04; C07D203/06; C07D203/22; C07D203/24; C07F; C07F9/00; C07F9/02; C07F9/28; C07F9/38; C07F9/40; C07F9/4003; C07F9/4025; C07F9/547; C07F9/553; C07F9/564; C10; C10M; C10M1/00; C10M1/08; D; D06; D06M; D06M13/00; D06M13/244; D06M13/282; D06M13/288; D06M13/322; D06M13/487; C10M2223/00; C10M2223/06; C10M2223/065; Y; Y10; Y10S; Y10S424/00; Y10S424/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2553770A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-11-18 | 1961-05-20 | 1961-11-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-11-18 | 1965-05-20 | 1965-11-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-11-18 | 1969-05-20 | 1969-11-19 | $7700.00 | Window Closed / Lapsed |