US3289312A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Drying of chlorinated isocyanurates and salts thereof
Assignee: FMC Corp
•
Filing: 1964-03-17
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Granted: 1966-12-06
•
Expires: 1984-03-17
Abstract
No abstract record available.
Inventors
- 👤 Carroll J Wenzke
- 👤 Stephen J Kovalsky
- 👤 Raymond A Olson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 09:13
CPC Classifications
B; B01; B01J; B01J2/00; B01J2/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
112 words
A METHOD FOR RAPIDLY DRYING A LABILE COMPOUND SELECTED FROM THE GROUP CONSISTING OF DICHLOROISOCYAURIC ACID, TRICHLOROISOCYANURIC ACID, SODIUM DISCHLOROISOCYANURATE, AND POTASSIUM DICHLOROISOCYANURATE, COMPRISING PASSING A WET CAKE OF SAID COMPOUND INTO A DRYING ZONE FINELY DIVIDING AND BEATING SAID CAKE INTO DISCRETE PARTICLES BY BEATER MEANS, PASSING A GAS STREAM MAINTAINED AT A TEMPERATURE UP TO ABOUT 550*F. THROUGH SAID DRYING ZONE AT A FLOW RATE OF FROM ABOUT 2000 TO ABOUT 5000 FEET PER MINUTE, MAINTAINING THE TEMPERATURE OF THE EXIT GAS FROM SAID DRYING ZONE AT A TEMPERATURE OF FROM ABOUT 220 TO ABOUT 320*F., MAINTAININ SAID DISCRETE PARTICLES WITHIN SAID DRYING ZONE IN CONTACT WITH SAID GAS STREAM
Claim 2
Independent Claim
112 words
A METHOD FOR RAPIDLY DRYING A LABILE COMPOUND SELECTED FROM THE GROUP CONSISTING OF DICHLOROISOCYAURIC ACID, TRICHLOROISOCYANURIC ACID, SODIUM DISCHLOROISOCYANURATE, AND POTASSIUM DICHLOROISOCYANURATE, COMPRISING PASSING A WET CAKE OF SAID COMPOUND INTO A DRYING ZONE FINELY DIVIDING AND BEATING SAID CAKE INTO DISCRETE PARTICLES BY BEATER MEANS, PASSING A GAS STREAM MAINTAINED AT A TEMPERATURE UP TO ABOUT 550*F. THROUGH SAID DRYING ZONE AT A FLOW RATE OF FROM ABOUT 2000 TO ABOUT 5000 FEET PER MINUTE, MAINTAINING THE TEMPERATURE OF THE EXIT GAS FROM SAID DRYING ZONE AT A TEMPERATURE OF FROM ABOUT 220 TO ABOUT 320*F., MAINTAININ SAID DISCRETE PARTICLES WITHIN SAID DRYING ZONE IN CONTACT WITH SAID GAS STREAM
References Cited (Backward Citations)
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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) | 1969-12-05 | 1970-06-06 | 1970-12-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-05 | 1974-06-06 | 1974-12-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-05 | 1978-06-06 | 1978-12-06 | $7700.00 | Window Closed / Lapsed |