US3318666A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of preparing dispersible sulfur
Assignee: ConocoPhillips Co
•
Filing: 1965-02-01
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Granted: 1967-05-09
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Expires: 1985-02-01
Abstract
No abstract record available.
Inventors
- 👤 Richard L Every
- 👤 Grimsley Ralph Leroy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 09:54
CPC Classifications
C; C01; C01B; C01B17/00; C01B17/02; C01B17/04; C01B17/05
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
63 words
A METHOD OF PRODUCING FINELY-DIVIDED DISPERSIBLE SULFUR WHICH COMPRISES PASSING A GASEOUS SULFUR CONTAINING FLUID COMPRISING SO2 AND A SECOND SULFUR CONTAINING GASEOUS COMPOUND SELECTED FROM THE GROUP CONSISTING OF HYDROGEN SULFIDE AND MERCAPTANS INTO AN AQUEOUS SOLUTION OF 0.5 TO 5 WEIGHT PERCENT OF AN ALIPHATIC ALCOHOL OF 1 TO 5 CARBON ATOMS AND RECOVERING THE RESULTING FORMED SULFUR FROM THE PRODUCT.
References Cited (Backward Citations)
US2690961A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-05-08 | 1970-11-07 | 1971-05-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-05-08 | 1974-11-07 | 1975-05-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-05-08 | 1978-11-07 | 1979-05-09 | $7700.00 | Window Closed / Lapsed |