US3838124A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Derivatives of isocyanuric acid and processes for preparing the same
Assignee: Monsanto Co
•
Filing: 1973-03-20
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Granted: 1974-09-24
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Expires: 1993-03-20
Abstract
Abstract WHEREIN R1 IS HYDROGEN OR LOWER ORGANIC RADICAL, R3 AND R4 ARE HYDROGEN, METAL, AMMONIA OR ORGANIC RADICALS. THE COMPOUNDS ARE USEFUL AS WATER TREATING AGENTS. AZINE-2,4,6-TRIONE 1-(N(-CH(-R1)-P(=O)(-OR3)-OR4)2-CH2-CH2-)-HEXAHYDRO-S-TRI DERIVATIVES OF ISOCYANURIC ACID OF THE GENERAL FORMULA
Inventors
- 👤 E Matzner
- 👤 R Mitchell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 19:14
CPC Classifications
D; D06; D06M; D06M13/00; D06M13/244; D06M13/282; D06M13/288; C; C02; C02F; C02F5/00; C02F5/08; C02F5/10; C02F5/14; C07; C07F; C07F9/00; C07F9/02; C07F9/28; C07F9/38; C07F9/3804; C07F9/3808; C07F9/3817; C07F9/547; C07F9/6515; C07F9/6521
Claims Analysis
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References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-09-23 | 1978-03-25 | 1978-09-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-09-23 | 1982-03-25 | 1982-09-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-09-23 | 1986-03-25 | 1986-09-24 | $7700.00 | Window Closed / Lapsed |