US3072654A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dichloroisocyanurate process
Assignee: Monsanto Chemicals Ltd
•
Filing: 1959-08-12
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Granted: 1963-01-08
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Expires: 1979-08-12
Abstract
No abstract record available.
Inventors
- 👤 Vazopolos Steve
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 16:33
CPC Classifications
C; C11; C11D; C11D3/00; C11D3/395; C11D3/3955
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
110 words
THE METHOD OF MAKING CALCIUM DI(DICHLOROISOCYANURATE) AND HYDRATES THEREOF WHICH COMPRISES THE STEPS OF BRINGING TOGETHER AND REACTING, AT A PH IN THE RANGE OF FROM 4.5 TO 7.5, CHLORINE AND AN AQUEOUS SLURRY CONTAINING FROM 5 TO 45 PARTS BY WEIGHT OF TRICALCIUM DIISOCYANURATE PER 100 PARTS BY WEIGHT OF WATER IN A REACTION ZONE, THEREBY FORMING AN AQUEOUS REACTION SLURRY IN SAID ZONE HAVING A PH IN SAID RANGE, MAINTAINING THE TEMPERATURE OF SAID REACTION SLURRY IN THE RANGE OF FROM ABOUT 10* C. TO ABOUT 65* C. AND THERAAFTER SEPARATING HYDRATED CALCIUM DI(CHLOROISOCYANURATE) FROM THE BULK OF THE AQUEOUS PHASE ASSOCIATED THEREWITH IN THE AQUEOUS REACTION SLURRY.
Claim 2
Independent Claim
110 words
THE METHOD OF MAKING CALCIUM DI(DICHLOROISOCYANURATE) AND HYDRATES THEREOF WHICH COMPRISES THE STEPS OF BRINGING TOGETHER AND REACTING, AT A PH IN THE RANGE OF FROM 4.5 TO 7.5, CHLORINE AND AN AQUEOUS SLURRY CONTAINING FROM 5 TO 45 PARTS BY WEIGHT OF TRICALCIUM DIISOCYANURATE PER 100 PARTS BY WEIGHT OF WATER IN A REACTION ZONE, THEREBY FORMING AN AQUEOUS REACTION SLURRY IN SAID ZONE HAVING A PH IN SAID RANGE, MAINTAINING THE TEMPERATURE OF SAID REACTION SLURRY IN THE RANGE OF FROM ABOUT 10* C. TO ABOUT 65* C. AND THERAAFTER SEPARATING HYDRATED CALCIUM DI(CHLOROISOCYANURATE) FROM THE BULK OF THE AQUEOUS PHASE ASSOCIATED THEREWITH IN THE AQUEOUS REACTION SLURRY.
References Cited (Backward Citations)
US2184886A
Cited
CA565256A
Cited
US2964525A
Cited
US2969360A
Cited
FR1149758A
Cited
US2913460A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-01-07 | 1966-07-09 | 1967-01-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-01-07 | 1970-07-09 | 1971-01-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-01-07 | 1974-07-09 | 1975-01-08 | $7700.00 | Window Closed / Lapsed |