US2798772A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Transportation of sulfur
Assignee: Gulf Oil Corp
•
Filing: 1953-01-22
•
Granted: 1957-07-09
•
Expires: 1973-01-22
Abstract
No abstract record available.
Inventors
- 👤 Aaron K Redcay
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 13:16
CPC Classifications
C; C01; C01B; C01B17/00; C01B17/02; F; F17; F17D; F17D1/00; F17D1/08; F17D1/084; Y; Y10; Y10T; Y10T137/00; Y10T137/0318; Y10T137/0391
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
94 words
A METHOD FOR THE TRANSPORTATION OF SULFUR THROUGH A PIPE LINE TO A TERMINAL, COMPRISING INTIMATELY MMIXING MOLTEN SULFUR WITH A NON-VOLATILE LIQUID HYDROCARBON TO FORM A SUSPENSION OF FINELY DIVIDED SOLID SULFUR PARTICLES IN THE NON-VOLATILE LIQUID HYDROCARBON, PUMPING THE SUSPENSION THROUGH A PIPE LINE TO THE TERMINAL, SEPARATING A MAJOR PORTION OF THE NON-VOLATILE HYDROCARBON FROM THE SULFUR TO FORM S SLUDGE OF SULFUR PARTICLES, WASHING THE SLUDGE WITH A VOLATILE LIQUID HYDROCARBON TO REMOVE THE NON-VOLATILE LIQUID HYDROCARBON FROM THE SULFUR PARTICLES, AND FLASHING THE VOLATILE LIQUID HYDROCARBON FROM THE SULFUR.
Claim 2
Independent Claim
94 words
A METHOD FOR THE TRANSPORTATION OF SULFUR THROUGH A PIPE LINE TO A TERMINAL, COMPRISING INTIMATELY MMIXING MOLTEN SULFUR WITH A NON-VOLATILE LIQUID HYDROCARBON TO FORM A SUSPENSION OF FINELY DIVIDED SOLID SULFUR PARTICLES IN THE NON-VOLATILE LIQUID HYDROCARBON, PUMPING THE SUSPENSION THROUGH A PIPE LINE TO THE TERMINAL, SEPARATING A MAJOR PORTION OF THE NON-VOLATILE HYDROCARBON FROM THE SULFUR TO FORM S SLUDGE OF SULFUR PARTICLES, WASHING THE SLUDGE WITH A VOLATILE LIQUID HYDROCARBON TO REMOVE THE NON-VOLATILE LIQUID HYDROCARBON FROM THE SULFUR PARTICLES, AND FLASHING THE VOLATILE LIQUID HYDROCARBON FROM THE SULFUR.
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) | 1960-07-08 | 1961-01-07 | 1961-07-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-07-08 | 1965-01-07 | 1965-07-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-07-08 | 1969-01-07 | 1969-07-09 | $7700.00 | Window Closed / Lapsed |