US2525354A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Catalytic refining of hydrocarbon alcohols
Assignee: Shell Development Co
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Filing: 1949-12-05
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Granted: 1950-10-10
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Expires: 1969-12-05
Abstract
No abstract record available.
Inventors
- 👤 Hoog Han
- 👤 Engel Willem Frederik
- 👤 Koome Jacob
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 12:35
CPC Classifications
C; C07; C07C; C07C29/00; C07C29/132; C07C29/136; C07C29/14; C07C29/141; C07C29/16; C07C29/74; C07C29/88; C07C29/90
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
100 words
THE PROCESS FOR REFINING CRUDE SYNTHETIC ALCOHOLS CONTAINING CONTAMINANT AMOUNTS OF ORGANIC IMPURITIES WHICH COMPRISES CONTACTING SAID CRUDE ALCOHOLS IN THE VAPOR PHASE, IN THE PRESENCE OF ADDED HYDROGEN, AT A TEMPERATURE OF FROM ABOUT 80*C. TO ABOUT 200*C., WITH A STATIONARY BED OF SOLID CATALYST CONSISTING ESSENTIALLY OF ABOUT 25% TO ABOUT 90% OF NICKEL IN INTIMATE ADMIXTURE WITH ABOUT 75% TO ABOUT 10% OF SOLID CARRIER MATERIAL, ABOUT 20% TO ABOUT 60% OF SAID TOTAL NICKEL CONTENT BEING IN THE FORM OF NICKEL SILICATE, THE REMAINDER OF SAID TOTAL NICKEL CONTENT BEING IN THE FORM OF REDUCED NICKEL.
Claim 2
Dependent Claim
100 words
THE PROCESS FOR REFINING CRUDE SYNTHETIC ALCOHOLS CONTAINING CONTAMINANT AMOUNTS OF ORGANIC IMPURITIES WHICH COMPRISES CONTACTING SAID CRUDE ALCOHOLS IN THE VAPOR PHASE, IN THE PRESENCE OF ADDED HYDROGEN, AT A TEMPERATURE OF FROM ABOUT 80*C. TO ABOUT 200*C., WITH A STATIONARY BED OF SOLID CATALYST CONSISTING ESSENTIALLY OF ABOUT 25% TO ABOUT 90% OF NICKEL IN INTIMATE ADMIXTURE WITH ABOUT 75% TO ABOUT 10% OF SOLID CARRIER MATERIAL, ABOUT 20% TO ABOUT 60% OF SAID TOTAL NICKEL CONTENT BEING IN THE FORM OF NICKEL SILICATE, THE REMAINDER OF SAID TOTAL NICKEL CONTENT BEING IN THE FORM OF REDUCED NICKEL.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-10-09 | 1954-04-10 | 1954-10-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-10-09 | 1958-04-10 | 1958-10-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-10-09 | 1962-04-10 | 1962-10-10 | $7700.00 | Window Closed / Lapsed |