US2658893A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Preparation of halodiaminotriazines
Assignee: —
•
Filing: —
•
Granted: 1953-11-10
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Expires: 1970-11-10
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 14:16
CPC Classifications
C; C07; C07D; C07D251/00; C07D251/02; C07D251/12; C07D251/26; C07D251/40; C07D251/48; C07D251/50; C07D251/54; C07D251/70; C07D253/00; C07D253/02; C07D253/06; C07D253/065; C07D253/07; C07D253/075
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
81 words
THE REACTION THAT CONSIST IN SUBJECTING A MEMBER OF THE GROUP CONSISTING OF DICYANOGUANIDINE, ALKYL SUBSTITUTED DICYANOGUANIDINES, CYCLOALKYL SUBSTITUTED DICYANOGUANIDINES, ARALKYLHYDROCARBON SUBSTITUTED DICYANOGUANIDINES, AND METAL SALTS THEREOF TO THE ACTION OF A HYDROGEN HALIDE, THE MOLE RATIO OF HYDROGEN HALIDE TO THE SAID DICYANOGUANIDINE (FREE BASIS) BEING AT LEAST 1.1, PROVIDED THAT WHEN USING AN AQUEOUS SOLVENT FOR THE REACTION, THE TEMPERAURE IS WITHIN THE RANGE OF ABOUT 0*-40* C., WHEREBY THE CORRESPONDING HALODIAMONO-S-TRIAZINE IS FORMED, AND SEPARATING THE THUS-FORMED TRIAZINE.
Claim 2
Dependent Claim
81 words
THE REACTION THAT CONSIST IN SUBJECTING A MEMBER OF THE GROUP CONSISTING OF DICYANOGUANIDINE, ALKYL SUBSTITUTED DICYANOGUANIDINES, CYCLOALKYL SUBSTITUTED DICYANOGUANIDINES, ARALKYLHYDROCARBON SUBSTITUTED DICYANOGUANIDINES, AND METAL SALTS THEREOF TO THE ACTION OF A HYDROGEN HALIDE, THE MOLE RATIO OF HYDROGEN HALIDE TO THE SAID DICYANOGUANIDINE (FREE BASIS) BEING AT LEAST 1.1, PROVIDED THAT WHEN USING AN AQUEOUS SOLVENT FOR THE REACTION, THE TEMPERAURE IS WITHIN THE RANGE OF ABOUT 0*-40* C., WHEREBY THE CORRESPONDING HALODIAMONO-S-TRIAZINE IS FORMED, AND SEPARATING THE THUS-FORMED TRIAZINE.
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) | 1956-11-09 | 1957-05-11 | 1957-11-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-11-09 | 1961-05-11 | 1961-11-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-11-09 | 1965-05-11 | 1965-11-10 | $7700.00 | Window Closed / Lapsed |