US2898343A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Anthraquinone triazoles
Assignee: Wyeth Holdings LLC
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Filing: 1957-11-18
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Granted: 1959-08-04
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Expires: 1977-11-18
Abstract
No abstract record available.
Inventors
- 👤 Klingsberg Erwin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 22:36
CPC Classifications
C; C09; C09B; C09B1/00; C09B1/16
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
102 words
1, 2,4-TRIAZOLES SUBSTITUTED IN THE 3-, 4- AND 5-POSITIONS, THE 3 SUBSTITUENTS BEING A 2-ANTHRAQUINONYL RADICAL HAVING IN ITS 1-, 4- AND 5-POSITIONS SUBSTITUENTS SELECTED FROM THE GROUP CONSISTING OF HYDROGEN, NITRO, CHLORO, AMINO, BENZOYLAMINO; THENONYLAMIO AND M-TRIFLUORO METHYL BENZOYLAMINO; THE SAID 2-ANTHRAQUINONYL RADICAL HAVING NO MORE THAN TWO SUCH SUBSTITUENTS, THE 4 AND 5 SUBSTITUENTS IN SAID TRIAZOLE BEING AROMATIC RADICALS OF LESS THAN 3 RINGS, THE SUBSTITUENTS ON WHICH ARE SELECTED FROM THE GROUP CONSISTING OF HYDROGEN, METHYL, METHOXY, CHLORO, BROMO, TRIFLUOROMETHYL, NITRO, AMINO, HYDROXY AND BENZOYL AMINO, THERE BEING NO MORE THAN TWO SUCH SUBSTITUENTS ON SAID AROMATIC RADICALS.
Claim 2
Dependent Claim
102 words
1, 2,4-TRIAZOLES SUBSTITUTED IN THE 3-, 4- AND 5-POSITIONS, THE 3 SUBSTITUENTS BEING A 2-ANTHRAQUINONYL RADICAL HAVING IN ITS 1-, 4- AND 5-POSITIONS SUBSTITUENTS SELECTED FROM THE GROUP CONSISTING OF HYDROGEN, NITRO, CHLORO, AMINO, BENZOYLAMINO; THENONYLAMIO AND M-TRIFLUORO METHYL BENZOYLAMINO; THE SAID 2-ANTHRAQUINONYL RADICAL HAVING NO MORE THAN TWO SUCH SUBSTITUENTS, THE 4 AND 5 SUBSTITUENTS IN SAID TRIAZOLE BEING AROMATIC RADICALS OF LESS THAN 3 RINGS, THE SUBSTITUENTS ON WHICH ARE SELECTED FROM THE GROUP CONSISTING OF HYDROGEN, METHYL, METHOXY, CHLORO, BROMO, TRIFLUOROMETHYL, NITRO, AMINO, HYDROXY AND BENZOYL AMINO, THERE BEING NO MORE THAN TWO SUCH SUBSTITUENTS ON SAID AROMATIC RADICALS.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-08-03 | 1963-02-02 | 1963-08-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-08-03 | 1967-02-02 | 1967-08-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-08-03 | 1971-02-02 | 1971-08-04 | $7700.00 | Window Closed / Lapsed |