Patent US3030430A successfully refreshed from Google Patents.
US3030430A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for hydrogenating aromatic hydrocarbons
Assignee: Quaker Oats Co
•
Filing: 1960-11-14
•
Granted: 1962-04-17
•
Expires: 1980-11-14
Abstract
No abstract record available.
Inventors
- 👤 Andrew P Dunlop
- 👤 Donald G Manly
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 21:40
CPC Classifications
C; C07; C07C; C07C5/00; C07C5/02; C07C5/10; B; B01; B01J; B01J23/00; B01J23/70; B01J37/00; B01J37/02; B01J37/0201; 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
92 words
A PROCESS FOR HYDROGENATING AN AROMATIC HYDROCARBON SELECTED FROM THE GROUP CONSISTING OF TETRALIN, NAPHTHALENE, BENZENE, AND ALKYL-SUBSTITUTED BENZENES, THE TOTAL SUBSTITUENT PORTION OF SAID ALKYL-SUBSTITUTED BENZENES, HAVING FROM 1 TO 6 CARBON ATOMS, WHICH PROCESS COMPRISES CONTACTING SAID AROMATIC HYDROCARBON IN THE VAPOR PHASE AND UNDER HYDROGENATION CONDITIONS WITH A NICKEL CATALYST WHICH HAS BEEN REDUCED AT A TEMPERATURE BELOW ABOUT 450*C., REOXIDIZED BY PASSING A GAS CONTAINING FREE OXYGEN OVER THE REDUCED CATALYST, AND AGAIN REDUCED BY PASSING A GAS THEREOVER CONTAINING FREE HYDROGEN AT A TEMPERATURE BELOW ABOUT 250*C.
Claim 2
Dependent Claim
92 words
A PROCESS FOR HYDROGENATING AN AROMATIC HYDROCARBON SELECTED FROM THE GROUP CONSISTING OF TETRALIN, NAPHTHALENE, BENZENE, AND ALKYL-SUBSTITUTED BENZENES, THE TOTAL SUBSTITUENT PORTION OF SAID ALKYL-SUBSTITUTED BENZENES, HAVING FROM 1 TO 6 CARBON ATOMS, WHICH PROCESS COMPRISES CONTACTING SAID AROMATIC HYDROCARBON IN THE VAPOR PHASE AND UNDER HYDROGENATION CONDITIONS WITH A NICKEL CATALYST WHICH HAS BEEN REDUCED AT A TEMPERATURE BELOW ABOUT 450*C., REOXIDIZED BY PASSING A GAS CONTAINING FREE OXYGEN OVER THE REDUCED CATALYST, AND AGAIN REDUCED BY PASSING A GAS THEREOVER CONTAINING FREE HYDROGEN AT A TEMPERATURE BELOW ABOUT 250*C.
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) | 1965-04-16 | 1965-10-16 | 1966-04-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-04-16 | 1969-10-16 | 1970-04-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-04-16 | 1973-10-16 | 1974-04-17 | $7700.00 | Window Closed / Lapsed |