US2767060A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for cooling liquid sulfur
Assignee: Honeywell International Inc
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Filing: 1953-04-29
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Granted: 1956-10-16
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Expires: 1973-04-29
Abstract
No abstract record available.
Inventors
- 👤 Jr John C Sloan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 07:04
CPC Classifications
C; C01; C01B; C01B17/00; C01B17/02; C01B17/0216
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
71 words
A PROCESS FOR COOLING A POOL OF LIQUID SULFUR CONTAINING CIRCULATING LIQUID SULFUR TO TEMPERATURE WITHIN THE LOWER FLUID RANGE OF SULFUR WHICH COMPRISES INTRODUCING WATER DIRECTLY TO SAID POOL AT SUFFICIENT RATE TO COOL SAID POOL TO THE DESIRED TEMPERATURE, ADDING TO THE POOL A WATER-SOLUBLE ALKLY ARYL AKALI METAL SULFONATE SURFACE ACTIVE AGENT, AND WITHDRAWING THE COOLED CIRCULATING LIQUID SULFUR FROM SAID POOL BY MEANS OF A CENTRIFUGAL PUMP.
Claim 2
Dependent Claim
71 words
A PROCESS FOR COOLING A POOL OF LIQUID SULFUR CONTAINING CIRCULATING LIQUID SULFUR TO TEMPERATURE WITHIN THE LOWER FLUID RANGE OF SULFUR WHICH COMPRISES INTRODUCING WATER DIRECTLY TO SAID POOL AT SUFFICIENT RATE TO COOL SAID POOL TO THE DESIRED TEMPERATURE, ADDING TO THE POOL A WATER-SOLUBLE ALKLY ARYL AKALI METAL SULFONATE SURFACE ACTIVE AGENT, AND WITHDRAWING THE COOLED CIRCULATING LIQUID SULFUR FROM SAID POOL BY MEANS OF A CENTRIFUGAL PUMP.
References Cited (Backward Citations)
US2348736A
Cited
US2632691A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-10-16 | 1960-04-16 | 1960-10-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-10-16 | 1964-04-16 | 1964-10-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-10-16 | 1968-04-16 | 1968-10-16 | $7700.00 | Window Closed / Lapsed |