US2728767A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Chlorinated triazines
Assignee: Ethyl Corp
•
Filing: 1953-06-25
•
Granted: 1955-12-27
•
Expires: 1973-06-25
Abstract
No abstract record available.
Inventors
- 👤 Calvin N Wolf
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 23:37
CPC Classifications
C; C07; C07D; C07D251/00; C07D251/02; C07D251/12; C07D251/26; C07D251/40; C07D251/42; C07D251/44
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
46 words
A PROCESS FOR THE MANUFACTURE OF AR-CHLORINATED ARYLAMINO CHLORO-S-TRIAZINES WHICH COMPRISES THE DIRECT CHLORINATION WITH CHLORINE IN A CHLORINATED HYDROCARBON SOLVENT AT A TEMPERATURE FROM ABOUT -20* C. TO ABOUT 150* C., SDAID CHLORINATION IN THE ORTHO AND PARA POSITIONS, OF MATERIALS HAVING THE GENERAL FORMULA
Claim 2
Dependent Claim
46 words
A PROCESS FOR THE MANUFACTURE OF AR-CHLORINATED ARYLAMINO CHLORO-S-TRIAZINES WHICH COMPRISES THE DIRECT CHLORINATION WITH CHLORINE IN A CHLORINATED HYDROCARBON SOLVENT AT A TEMPERATURE FROM ABOUT -20* C. TO ABOUT 150* C., SDAID CHLORINATION IN THE ORTHO AND PARA POSITIONS, OF MATERIALS HAVING THE GENERAL FORMULA
References Cited (Backward Citations)
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Cited
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Cited
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Cited
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-12-26 | 1959-06-27 | 1959-12-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-12-26 | 1963-06-27 | 1963-12-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-12-26 | 1967-06-27 | 1967-12-27 | $7700.00 | Window Closed / Lapsed |