US3211698A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polymeric chelates of bivalent metals and tris(hydroxyaryl)-s-triazines
Assignee: Monsanto Research Corp
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Filing: 1961-07-13
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Granted: 1965-10-12
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Expires: 1981-07-13
Abstract
No abstract record available.
Inventors
- 👤 Iral B Johns
- 👤 Pietro Harry R Di
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 08:16
CPC Classifications
C; C07; C07D; C07D251/00; C07D251/02; C07D251/12; C07D251/14; C07D251/24; C08; C08G; C08G73/00; C08G73/06; C08G73/0622; C08G73/0638; C08G73/0644; C08G79/00; C10; C10M; C10M2215/00; C10M2215/16; C10N; C10N2010/00; C10N2010/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
33 words
A POLYMERIC CHELATE OF A BIVALENT, TETRACCORDINATING METAL AND A TRIS (HYDROXYARYL) S-TRIAZINE HAVING AT LEAST ONE HYDROXY RADICAL IN THE ORTHO-POSITION AND FROM 6 TO 12 CARBON ATOMS IN THE ARYL RADICAL.
Claim 2
Dependent Claim
33 words
A POLYMERIC CHELATE OF A BIVALENT, TETRACCORDINATING METAL AND A TRIS (HYDROXYARYL) S-TRIAZINE HAVING AT LEAST ONE HYDROXY RADICAL IN THE ORTHO-POSITION AND FROM 6 TO 12 CARBON ATOMS IN THE ARYL RADICAL.
References Cited (Backward Citations)
US2933474A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-10-11 | 1969-04-12 | 1969-10-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-10-11 | 1973-04-12 | 1973-10-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-10-11 | 1977-04-12 | 1977-10-12 | $7700.00 | Window Closed / Lapsed |