US2763661A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for preparation of 3-substituted-1,2,4-triazoles
Assignee: Olin Corp
•
Filing: 1955-03-22
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Granted: 1956-09-18
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Expires: 1975-03-22
Abstract
No abstract record available.
Inventors
- 👤 Christoph J Grundmann
- 👤 Kreutzberger Alfred
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 17:02
CPC Classifications
C; C07; C07D; C07D249/00; C07D249/02; C07D249/08; C07D249/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
28 words
A PROCESS FOR PREPARING 3-SUBSTITUTED-1, 2, 4,-TRIAZOLES WHICH COMPRISES ADMIXING AND HEATING 1, 3, 5TRIAZINE AND A MATERIAL SELECTED FROM THE GROUP CONSISTING OF SEMICARBAZIDE, THIOSEMICARBAZIDE AND AMINOGUANIDINE.
Claim 2
Dependent Claim
28 words
A PROCESS FOR PREPARING 3-SUBSTITUTED-1, 2, 4,-TRIAZOLES WHICH COMPRISES ADMIXING AND HEATING 1, 3, 5TRIAZINE AND A MATERIAL SELECTED FROM THE GROUP CONSISTING OF SEMICARBAZIDE, THIOSEMICARBAZIDE AND AMINOGUANIDINE.
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) | 1959-09-18 | 1960-03-19 | 1960-09-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-09-18 | 1964-03-19 | 1964-09-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-09-18 | 1968-03-19 | 1968-09-18 | $7700.00 | Window Closed / Lapsed |