Patent US2969360A successfully refreshed from Google Patents.
US2969360A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Continuous chlorination of cyan uric
Assignee: —
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Filing: —
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Granted: 1961-01-24
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Expires: 1978-01-24
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 04:11
CPC Classifications
C; C07; C07D; C07D251/00; C07D251/02; C07D251/12; C07D251/26; C07D251/30; C07D251/32; C02; C02F; C02F1/00; C02F1/72; C02F1/76
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
116 words
THE METHOD OF MAKING A COMPOUND OF THE CONSISTING OF DICHLOROCYANURIC ACID, TRICHLORCYAN AND MIXTURES THEREOF, WHICH COMPRISES FEEDING ACID, AQUEOUS ALKALI IN A MOLAR RATIO TO THE CYAN CORRESPONDING TO THE NUMBER OF CHLORINE ATOM ATTACHED TO THE CYANURIC ACID, AND A SEPARATE SCHLORINE CONTINUOUSLY TO AN AQUEOUS REACTION WHICH THE PH IS MAINTAINED BETWEEN 5 AND 9 AND PERATURE BETWEEN 5*C. AND 40*C., CONTINUOUS DRAWING A PORTION OF THE REACTION MIXTURE AND FOR WITH ADDITIONAL CHLORINE, TO A SECOND REACTION WHICH THE PH IS MAINTAINED BETWEEN 1.5 AND THE TEMPERATURE BETWEEN ABOUT 5*C. AND 20* TINUOUSLY WITHDRAWING REACTION PRODUCT FROM THE REACTION ZONE AND RECOVERING THE PRECIPITATED CHCYANURIC ACID FROM THE WITHDRAWN REACTION MIX.
Claim 2
Independent Claim
116 words
THE METHOD OF MAKING A COMPOUND OF THE CONSISTING OF DICHLOROCYANURIC ACID, TRICHLORCYAN AND MIXTURES THEREOF, WHICH COMPRISES FEEDING ACID, AQUEOUS ALKALI IN A MOLAR RATIO TO THE CYAN CORRESPONDING TO THE NUMBER OF CHLORINE ATOM ATTACHED TO THE CYANURIC ACID, AND A SEPARATE SCHLORINE CONTINUOUSLY TO AN AQUEOUS REACTION WHICH THE PH IS MAINTAINED BETWEEN 5 AND 9 AND PERATURE BETWEEN 5*C. AND 40*C., CONTINUOUS DRAWING A PORTION OF THE REACTION MIXTURE AND FOR WITH ADDITIONAL CHLORINE, TO A SECOND REACTION WHICH THE PH IS MAINTAINED BETWEEN 1.5 AND THE TEMPERATURE BETWEEN ABOUT 5*C. AND 20* TINUOUSLY WITHDRAWING REACTION PRODUCT FROM THE REACTION ZONE AND RECOVERING THE PRECIPITATED CHCYANURIC ACID FROM THE WITHDRAWN REACTION MIX.
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) | 1964-01-24 | 1964-07-25 | 1965-01-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-01-24 | 1968-07-25 | 1969-01-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-01-24 | 1972-07-25 | 1973-01-24 | $7700.00 | Window Closed / Lapsed |