US2956012A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Treating copper chloride sweetening catalyst with tertiary butyl catechol
Assignee: ExxonMobil Technology and Engineering Co
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Filing: 1958-11-24
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Granted: 1960-10-11
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Expires: 1978-11-24
Abstract
No abstract record available.
Inventors
- 👤 Jr Charles F Mosier
- 👤 Raymond L Betts
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 13:13
CPC Classifications
C; C10; C10G; C10G27/00; C10G27/04; C10G27/08
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
67 words
IN THE PROCESS OF SWEETENING A HYDROCARBON FRACTION BY SUBJECTING SAID FRACTION TO CONTACT WITH A COPPER CHLORIDE CATALYST, THE IMPROVED METHOD OF SWEETENING SAID HYDROCARBON FRACTION WHILE OBTAINING A SWEETENED PRODUCT OF GOOD COLOR PROPERTIES WHICH COMPRISES, TREATING SAID COPPER CHLORIDE CATALYST WITH TERITARY BUTYL CATECHOL, AND CONTACTING SAID HYDROCARBON FRACTION WITH SAID THUS TREATED CATALYST THUS FORMING A SWEETENED PRODUCT OF LOW INITIAL COLOR LOSS.
Claim 2
Dependent Claim
67 words
IN THE PROCESS OF SWEETENING A HYDROCARBON FRACTION BY SUBJECTING SAID FRACTION TO CONTACT WITH A COPPER CHLORIDE CATALYST, THE IMPROVED METHOD OF SWEETENING SAID HYDROCARBON FRACTION WHILE OBTAINING A SWEETENED PRODUCT OF GOOD COLOR PROPERTIES WHICH COMPRISES, TREATING SAID COPPER CHLORIDE CATALYST WITH TERITARY BUTYL CATECHOL, AND CONTACTING SAID HYDROCARBON FRACTION WITH SAID THUS TREATED CATALYST THUS FORMING A SWEETENED PRODUCT OF LOW INITIAL COLOR LOSS.
Claim 3
Dependent Claim
37 words
AN IMPROVED COPPER CHLORIDE CATALYST FOR SWEETENING HYDROCARBONS WHICH HAS BEEN MADE BY THE PROCESS COMPRISING, CONTACTING SAID COPPER CHLORIDE WITH ABOUT 0.1 TO 2.0 POUNDS OF P-TERTIARY BUTYL CATECHOL PER 1000 POUNDS OF COPPER CHLORIDE CATALYST.
Claim 4
Dependent Claim
37 words
AN IMPROVED COPPER CHLORIDE CATALYST FOR SWEETENING HYDROCARBONS WHICH HAS BEEN MADE BY THE PROCESS COMPRISING, CONTACTING SAID COPPER CHLORIDE WITH ABOUT 0.1 TO 2.0 POUNDS OF P-TERTIARY BUTYL CATECHOL PER 1000 POUNDS OF COPPER CHLORIDE CATALYST.
References Cited (Backward Citations)
US2457635A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-10-11 | 1964-04-11 | 1964-10-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-10-11 | 1968-04-11 | 1968-10-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-10-11 | 1972-04-11 | 1972-10-11 | $7700.00 | Window Closed / Lapsed |