Patent US3669964A successfully refreshed from Google Patents.
US3669964A
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Substituted amino-s-triazines
Assignee: GAETANO F D ALELIO
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Filing: 1970-01-02
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Granted: 1972-06-13
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Expires: 1990-01-02
Abstract
Abstract Triazine compounds are disclosed which are derivatives of symmetrical triazine having one radical of the structure THERE BEING AT LEAST ONE METAL COORDINATING GROUP OF THE STRUCTURE -CHR4COOM, wherein M, Z, R2, R3 and R4 are as defined hereinafter. These compounds are useful for coordinating with and removing metals from solutions or for preparing resins capable of removing metals from solutions.
Inventors
- 👤 Gaetano F D Alelio
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 22:58
CPC Classifications
C; C08; C08G; C08G12/00; C08G12/02; C08G12/26; C08G12/30; C08G85/00
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
30 words
A triazine of claim 1 which has attached to a carbon atom on the triazine nucleus one group selected from the class consisting of NH2, alkylamino group of 1-12 carbon
Claim 2
Dependent Claim
30 words
A triazine of claim 1 which has attached to carbon atoms on the triazine nucleus two groups selected from the class consisting of NH2, alkylamino group of 1-12 carbon atoms,
Claim 3
Dependent Claim
12 words
A triazine of claim 1 in which the T group is -NHN(CH2COOM)2.
Claim 4
Dependent Claim
12 words
A triazine of claim 1 in which the T group is -NHCH2CH2N(CH2COOM)2.
Claim 5
Dependent Claim
20 words
A triazine of claim 4 in which an NH2 group is attached to a carbon atom of the triazine nucleus.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-06-13 | 1975-12-13 | 1976-06-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-06-13 | 1979-12-13 | 1980-06-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-06-13 | 1983-12-13 | 1984-06-13 | $7700.00 | Window Closed / Lapsed |