US3328477A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mild and selective hydrogenation with a town-gas catalyst
Assignee: ExxonMobil Technology and Engineering Co
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Filing: 1964-03-13
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Granted: 1967-06-27
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Expires: 1984-03-13
Abstract
No abstract record available.
Inventors
- 👤 William F Taylor
- 👤 John H Sinfelt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 13:04
CPC Classifications
C; C07; C07C; C07C5/00; C07C5/02; C07C5/08; B; B01; B01J; B01J23/00; B01J23/70; B01J37/00; B01J37/02; B01J37/0201; C07C2521/00; C07C2521/02; C07C2521/04; C07C2521/06; C07C2521/08; C07C2521/12; C07C2523/00; C07C2523/70; C07C2523/74; C07C2523/755; Y; Y10; Y10S; Y10S585/00; Y10S585/8995; Y10S585/906
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
93 words
IN A PROCESS OF MILD HYDROGENATION OF AN ORGANIC COMPOUND BY CATALYZED REACTION WITH HYDROGEN, THE IMPROVEMENT WHICH COMPRISES CARRYING OUT SAID REACTION IN THE PRESENCE OF A CATALYST CHARACTERIZED BY CONTAINING 40 TO 60 WT. PERCENT NI INTERSPERSED WITH AN OXIDE OF THE GROUP CONSISTING OF AL2O3, SIO2, AND MIXTURES OF AL2O3 WITH SIO2 SAID CATALYST HAVING BEEN PARTIALLY DEACTIVATED BY BEING SPENT IN ITS USE FOR REACTING NAPHTHA PARAFFINS WITH STEAM FOR PRODUCING A METHANE-RICH GAS AT 600* TO 925*F. WITH AN ACCOMPANYING DECREASE IN ITS NICKEL AND TOTAL SURFACE AREAS.
Claim 2
Dependent Claim
93 words
IN A PROCESS OF MILD HYDROGENATION OF AN ORGANIC COMPOUND BY CATALYZED REACTION WITH HYDROGEN, THE IMPROVEMENT WHICH COMPRISES CARRYING OUT SAID REACTION IN THE PRESENCE OF A CATALYST CHARACTERIZED BY CONTAINING 40 TO 60 WT. PERCENT NI INTERSPERSED WITH AN OXIDE OF THE GROUP CONSISTING OF AL2O3, SIO2, AND MIXTURES OF AL2O3 WITH SIO2 SAID CATALYST HAVING BEEN PARTIALLY DEACTIVATED BY BEING SPENT IN ITS USE FOR REACTING NAPHTHA PARAFFINS WITH STEAM FOR PRODUCING A METHANE-RICH GAS AT 600* TO 925*F. WITH AN ACCOMPANYING DECREASE IN ITS NICKEL AND TOTAL SURFACE AREAS.
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) | 1970-06-26 | 1970-12-26 | 1971-06-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-06-26 | 1974-12-26 | 1975-06-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-06-26 | 1978-12-26 | 1979-06-27 | $7700.00 | Window Closed / Lapsed |