US2718489A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Activation of ion exchange material and process for sweetening petroleum therewith
Assignee: ExxonMobil Oil Corp
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Filing: 1951-09-19
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Granted: 1955-09-20
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Expires: 1971-09-19
Abstract
No abstract record available.
Inventors
- 👤 Harry L Coonradt
- 👤 Wilbur K Leaman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 02:28
CPC Classifications
C; C10; C10G; C10G25/00; C10G25/02
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
151 words
IN THE REMOVAL OF WEAKLY ACIDIC ORGANIC COMPOUNDS FROM HYDROCARBON FLUIDS WHICH COMPRISES CONTACTING A HYDROCARBON FLUID CONTAINING WEAKLY ACIDIC ORGANIC COMPOUNDS WITH AN ANION EXCHANE RESIN TO SORB SAID WEAKLY ACIDIC ORGANIC COMPOUNDS ON, AND TO AT LEAST PARTIALLY EXHAUST SAID ANION EXCHANGE RESIN WITH SAID SORBED MATERIAL, SEPAATING SAID ANION EXCHANGE RESIN AND SORBED WEALKY ACIDIC ORGANIC COMPOUNDS FROM SAID HYDROCARBON FLUID, CONTACTING SAID SEPARATED ANION EXCHANGE RESIN WITH AN AQUEOUS ALKALI METAL HYDROXIDE SOLUTION TO DIS SOLVE SAID SORBED WEAKLY ACIDIC ORGANIC COMPOUNDS AND TO REGENERATE SAID ANION EXCHANGE RESIN, AND CONTACTING HYDROCARBON FLUID CONTAINING WEAKLY ACIDIC ORGANIC COMPOUNDS WITH SAID REGENERATED ANION EXCHANGE RESIN, THE IMPROVEMENT WHICH COMPRISES CONTACTING SAID REGENERATED ANION EXCHANGE RESIN WITH AN ALKANOL HAVING 1 TO 5 CARBON ATOMS PRIOR TO CONTACTING SAID REGENERATED ANION EXCHANGE RESIN WITH SAID HYDROCARBON FLUID CONTAINING WEAKLY ACIDIC ORGANIC COMPOUNDS AND SEPARATING SAID RESIN FROM SAID ALKANOL.
Claim 2
Dependent Claim
151 words
IN THE REMOVAL OF WEAKLY ACIDIC ORGANIC COMPOUNDS FROM HYDROCARBON FLUIDS WHICH COMPRISES CONTACTING A HYDROCARBON FLUID CONTAINING WEAKLY ACIDIC ORGANIC COMPOUNDS WITH AN ANION EXCHANE RESIN TO SORB SAID WEAKLY ACIDIC ORGANIC COMPOUNDS ON, AND TO AT LEAST PARTIALLY EXHAUST SAID ANION EXCHANGE RESIN WITH SAID SORBED MATERIAL, SEPAATING SAID ANION EXCHANGE RESIN AND SORBED WEALKY ACIDIC ORGANIC COMPOUNDS FROM SAID HYDROCARBON FLUID, CONTACTING SAID SEPARATED ANION EXCHANGE RESIN WITH AN AQUEOUS ALKALI METAL HYDROXIDE SOLUTION TO DIS SOLVE SAID SORBED WEAKLY ACIDIC ORGANIC COMPOUNDS AND TO REGENERATE SAID ANION EXCHANGE RESIN, AND CONTACTING HYDROCARBON FLUID CONTAINING WEAKLY ACIDIC ORGANIC COMPOUNDS WITH SAID REGENERATED ANION EXCHANGE RESIN, THE IMPROVEMENT WHICH COMPRISES CONTACTING SAID REGENERATED ANION EXCHANGE RESIN WITH AN ALKANOL HAVING 1 TO 5 CARBON ATOMS PRIOR TO CONTACTING SAID REGENERATED ANION EXCHANGE RESIN WITH SAID HYDROCARBON FLUID CONTAINING WEAKLY ACIDIC ORGANIC COMPOUNDS AND SEPARATING SAID RESIN FROM SAID ALKANOL.
Claim 3
Independent Claim
56 words
THE METHOD OF IMPROVING THE EXTRACTIVE CAPABILITIES OF ANION EXCHANGE RESIN TO EXTRACT MERCAPTANS FROM PETROLEUM FRACTIONS WHICH CONSISTS ESSENTIALLY OF CONTACTING ANION EXCHANGE RESIN IN THE HYDROXYL FROM PRIOR TO CONTACT WITH A PETROLEUM FRACTION CONTAINING MERCAPTANS WITH AT LEAST ONE ALKANOL HAVING 1 TO 5 CARBON ATOMS AND SEPARATING SAID RESIN FROM SAID ALKANOL.
Claim 4
Independent Claim
56 words
THE METHOD OF IMPROVING THE EXTRACTIVE CAPABILITIES OF ANION EXCHANGE RESIN TO EXTRACT MERCAPTANS FROM PETROLEUM FRACTIONS WHICH CONSISTS ESSENTIALLY OF CONTACTING ANION EXCHANGE RESIN IN THE HYDROXYL FROM PRIOR TO CONTACT WITH A PETROLEUM FRACTION CONTAINING MERCAPTANS WITH AT LEAST ONE ALKANOL HAVING 1 TO 5 CARBON ATOMS AND SEPARATING SAID RESIN FROM SAID ALKANOL.
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) | 1958-09-19 | 1959-03-21 | 1959-09-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-09-19 | 1963-03-21 | 1963-09-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-09-19 | 1967-03-21 | 1967-09-20 | $7700.00 | Window Closed / Lapsed |