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US3115455A
Expired / Lapsed
US
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Hydrodesulfurization of catalytically cracked gas oil
Assignee: Air Products and Chemicals Inc
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Filing: 1960-02-26
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Granted: 1963-12-24
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Expires: 1980-02-26
Abstract
No abstract record available.
Inventors
- 👤 Richard E Ashwill
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 04:24
CPC Classifications
C; C10; C10G; C10G69/00; C10G69/02; C10G69/04; C10L; C10L1/00; C10L1/04; C10L1/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2671754A
Cited
US2727853A
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US2911354A
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US2953515A
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US2987467A
Cited
US2974099A
Cited
US3008895A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-12-23 | 1967-06-24 | 1967-12-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-12-23 | 1971-06-24 | 1971-12-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-12-23 | 1975-06-24 | 1975-12-24 | $7700.00 | Window Closed / Lapsed |