US2987456A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flash photolysis process
Assignee: Sunoco Inc
•
Filing: 1959-07-27
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Granted: 1961-06-06
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Expires: 1979-07-27
Abstract
No abstract record available.
Inventors
- 👤 James L Lauer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 10:10
CPC Classifications
C; C10; C10K; C10K1/00; C01; C01B; C01B17/00; C01B17/02; C01B17/04; C01B32/00; C01B32/70
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
25 words
A PROCESS FOR THE CONVERSION OF HYDROGEN SULFIDE IN REFINERY GAS TO SULFUR AND CARBON DISULFIDE COMPRISING SUBJECTING THE SAID GAS TO INTENSE FLASH IRRADIATION
Claim 2
Dependent Claim
25 words
A PROCESS FOR THE CONVERSION OF HYDROGEN SULFIDE IN REFINERY GAS TO SULFUR AND CARBON DISULFIDE COMPRISING SUBJECTING THE SAID GAS TO INTENSE FLASH IRRADIATION
References Cited (Backward Citations)
US2788262A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-06-05 | 1964-12-05 | 1965-06-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-06-05 | 1968-12-05 | 1969-06-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-06-05 | 1972-12-05 | 1973-06-06 | $7700.00 | Window Closed / Lapsed |