US3108948A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Petroleum refining
Assignee: Baker Petrolite LLC
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Filing: 1960-05-09
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Granted: 1963-10-29
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Expires: 1980-05-09
Abstract
No abstract record available.
Inventors
- 👤 Sidney B Ring
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 00:43
CPC Classifications
C; C10; C10G; C10G29/00; C10G29/20
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
33 words
A PROCESS OF SWEETENING PETROLEUM COMPRISING TREATING SOUR PETROLUEM WITH AN EPOXIDE HAVING A HETEROCYCLIC RING CONSISTING OF ONE OXYGEN ATOM AND TWO CARBON ATOMS IN THE PRESENCE OF AN ION EXCHANGE RESIN.
Claim 2
Dependent Claim
33 words
A PROCESS OF SWEETENING PETROLEUM COMPRISING TREATING SOUR PETROLUEM WITH AN EPOXIDE HAVING A HETEROCYCLIC RING CONSISTING OF ONE OXYGEN ATOM AND TWO CARBON ATOMS IN THE PRESENCE OF AN ION EXCHANGE RESIN.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-10-28 | 1967-04-29 | 1967-10-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-10-28 | 1971-04-29 | 1971-10-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-10-28 | 1975-04-29 | 1975-10-29 | $7700.00 | Window Closed / Lapsed |