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Patent US2891002A successfully refreshed from Google Patents.
US2891002A
Expired / Lapsed
US
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Inhibitor sweetening process for hydrocarbon oil in the presence of an organic dispersing agent
Assignee: Sunoco Inc
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Filing: 1957-09-23
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Granted: 1959-06-16
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Expires: 1977-09-23
Abstract
No abstract record available.
Inventors
- 👤 Rolland G Bowers
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 17:48
CPC Classifications
C; C10; C10G; C10G27/00; C10G27/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
64 words
PROCESS FOR SWEETENING HYDROCARBONS WHICH COMPRISES: CONTACTING SOUR HYDROCARBON WITH AN INHIBITOR SWEETENING AGENT AND OXYGEN IN THE PRESENCE OF AN OILSOLUBLE BASIC AMINO NITROGEN-CONTAINING ADDITION COPOLYMER OF (1) AN AMINE-FREE ETHYLENICALLY UNSATURATED COMPOUND HAVING 8 TO 18 CARBON ATOMS IN AN ACYCLIC CHAIN AND (2) AN ETHYLENICALLY UNSATURATED COMPOUND CONTAINING AN AMINO GROUP, SAID COPOLYMER PROMOTING DISPERSION OF SAID AGENT IN SAID HYDROCARBONS.
Claim 2
Dependent Claim
64 words
PROCESS FOR SWEETENING HYDROCARBONS WHICH COMPRISES: CONTACTING SOUR HYDROCARBON WITH AN INHIBITOR SWEETENING AGENT AND OXYGEN IN THE PRESENCE OF AN OILSOLUBLE BASIC AMINO NITROGEN-CONTAINING ADDITION COPOLYMER OF (1) AN AMINE-FREE ETHYLENICALLY UNSATURATED COMPOUND HAVING 8 TO 18 CARBON ATOMS IN AN ACYCLIC CHAIN AND (2) AN ETHYLENICALLY UNSATURATED COMPOUND CONTAINING AN AMINO GROUP, SAID COPOLYMER PROMOTING DISPERSION OF SAID AGENT IN SAID HYDROCARBONS.
References Cited (Backward Citations)
US2616831A
Cited
US2737496A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-06-15 | 1962-12-15 | 1963-06-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-06-15 | 1966-12-15 | 1967-06-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-06-15 | 1970-12-15 | 1971-06-16 | $7700.00 | Window Closed / Lapsed |