Patent US2976254A successfully refreshed from Google Patents.
US2976254A
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Aldehyde hydrogenation catalyst preparation
Assignee: ExxonMobil Technology and Engineering Co
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Filing: 1957-02-08
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Granted: 1961-03-21
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Expires: 1977-02-08
Abstract
No abstract record available.
Inventors
- 👤 Mason Ralph Burgess
- 👤 Edward W S Nicholson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 01:53
CPC Classifications
B; B01; B01J; B01J27/00; B01J27/02; B01J27/04; B01J27/047; B01J27/051; C; C07; C07C; C07C29/00; C07C29/132; C07C29/136; C07C29/14; C07C29/141
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
65 words
AN IMPROVED PROCESS FOR PREPARING A SUPEERIOR SULFACTIVE MOLYBDENUM SULFIDE HYDROGENATION CATALYST WHICH COMPRISES IMPREGNATING PREFORMED ACTIVATED CHAR PELLETS WITH AN AMMONIUM MOLYBDATE SOLUTION, DRYING THE PELLETS, DECOMPOSILNG SAID MOLYBDATE TO THE OXIDE, SUBJECTING SAID OXIDE TO A HYDROGENATION REACTION TO REDUCE AT LEAST A PORTION OF THE METAL COMBINED THEREWITH TO AN OXIDE OF A LOWER VALENCE STATE, AND THEREAFTER SULFIDING SAID REDUCED MATERIAL.
Claim 2
Dependent Claim
65 words
AN IMPROVED PROCESS FOR PREPARING A SUPEERIOR SULFACTIVE MOLYBDENUM SULFIDE HYDROGENATION CATALYST WHICH COMPRISES IMPREGNATING PREFORMED ACTIVATED CHAR PELLETS WITH AN AMMONIUM MOLYBDATE SOLUTION, DRYING THE PELLETS, DECOMPOSILNG SAID MOLYBDATE TO THE OXIDE, SUBJECTING SAID OXIDE TO A HYDROGENATION REACTION TO REDUCE AT LEAST A PORTION OF THE METAL COMBINED THEREWITH TO AN OXIDE OF A LOWER VALENCE STATE, AND THEREAFTER SULFIDING SAID REDUCED MATERIAL.
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-03-20 | 1964-09-19 | 1965-03-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-03-20 | 1968-09-19 | 1969-03-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-03-20 | 1972-09-19 | 1973-03-21 | $7700.00 | Window Closed / Lapsed |