US2556280A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process and catalyst for reforming hydrocarbons
Assignee: Standard Oil Development Co
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Filing: 1948-08-03
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Granted: 1951-06-12
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Expires: 1968-08-03
Abstract
No abstract record available.
Inventors
- 👤 Kenneth K Kearby
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 03:32
CPC Classifications
C; C07; C07C; C07C5/00; C07C5/32; C07C5/373; C07C5/393; C07C5/41; C07C5/412; B; B01; B01J; B01J23/00; B01J23/06; B01J23/16; B01J23/24; B01J23/28; Y; Y10; Y10S; Y10S502/00; Y10S502/524
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
49 words
A METHOD OF REFORMING NAPHTHA WHICH COMPRISES CONTACTING NAPHTHA AT AN ELEVATED TEMPERATURE WITH A CATALYST COMPOSITION CONTAINING AT LEAST 85% ZINC ALUMINATE SPINEL FROM 5 TO 15% MOLYBDENUM OXIDE AND A SMALL ACTIVATING AMOUNT OF A PROMOTER SELECTED FROM THE GROUP CONSISTING OF CALCIUM OXIDE AND MAGNESIUM OXIDE.
Claim 2
Independent Claim
49 words
A METHOD OF REFORMING NAPHTHA WHICH COMPRISES CONTACTING NAPHTHA AT AN ELEVATED TEMPERATURE WITH A CATALYST COMPOSITION CONTAINING AT LEAST 85% ZINC ALUMINATE SPINEL FROM 5 TO 15% MOLYBDENUM OXIDE AND A SMALL ACTIVATING AMOUNT OF A PROMOTER SELECTED FROM THE GROUP CONSISTING OF CALCIUM OXIDE AND MAGNESIUM OXIDE.
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) | 1954-06-11 | 1954-12-11 | 1955-06-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-06-11 | 1958-12-11 | 1959-06-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-06-11 | 1962-12-11 | 1963-06-12 | $7700.00 | Window Closed / Lapsed |