US2960554A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Isomerization process
Assignee: Standard Oil Co
•
Filing: 1959-03-26
•
Granted: 1960-11-15
•
Expires: 1979-03-26
Abstract
No abstract record available.
Inventors
- 👤 Joseph M Sandri
- 👤 Ellis K Fields
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 18:06
CPC Classifications
C; C07; C07C; C07C5/00; C07C5/22; C07C5/27; C07C5/2767; C07C5/277; C07C5/2772
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
53 words
A PROCESS FOR THE CATALYTIC PRODUCTION OF ISOPARAFFINS FROM THE CORRESPONDING NORMAL PARAFFINS IN WHICH THE NORMAL PARAFFIN FEEDSTOCK IS CONTACTED IN THE VAPOR STATE AT AN ELEVATED TEMPERATURE ABOVE ABOUT 600*F. WITH A SOLID CATALYST CONSISTING OF BETWEEN ABOUT 5% AND 40% BY WEIGHT OF ELEMENTAL IODINE AND A SOLID POROUS SUPPORT.
Claim 2
Dependent Claim
53 words
A PROCESS FOR THE CATALYTIC PRODUCTION OF ISOPARAFFINS FROM THE CORRESPONDING NORMAL PARAFFINS IN WHICH THE NORMAL PARAFFIN FEEDSTOCK IS CONTACTED IN THE VAPOR STATE AT AN ELEVATED TEMPERATURE ABOVE ABOUT 600*F. WITH A SOLID CATALYST CONSISTING OF BETWEEN ABOUT 5% AND 40% BY WEIGHT OF ELEMENTAL IODINE AND A SOLID POROUS SUPPORT.
References Cited (Backward Citations)
US2361755A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-11-15 | 1964-05-16 | 1964-11-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-11-15 | 1968-05-16 | 1968-11-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-11-15 | 1972-05-16 | 1972-11-15 | $7700.00 | Window Closed / Lapsed |