US2956095A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Light naphtha isomerization process
Assignee: ExxonMobil Technology and Engineering Co
•
Filing: 1958-06-17
•
Granted: 1960-10-11
•
Expires: 1978-06-17
Abstract
No abstract record available.
Inventors
- 👤 Schwartz Donald
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 09:18
CPC Classifications
C; C07; C07C; C07C5/00; C07C5/22; C07C5/27; C07C5/2767; C07C5/277; C07C5/2794
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
31 words
A PROCESS FOR ISOMERIZING PARAFFINIC HYDROCARBONS WHICH COMPRISES CONTACTING PARAFFINIC HYDROCARBONS HAVING AT LEAST FOUR CARBON ATOMS PER MOLECULE WITH A CATALYST COMPOSITION CONSISTING OF FLUOSULFONIC ACID AND A TERTIARY ALCOHOL.
Claim 2
Dependent Claim
31 words
A PROCESS FOR ISOMERIZING PARAFFINIC HYDROCARBONS WHICH COMPRISES CONTACTING PARAFFINIC HYDROCARBONS HAVING AT LEAST FOUR CARBON ATOMS PER MOLECULE WITH A CATALYST COMPOSITION CONSISTING OF FLUOSULFONIC ACID AND A TERTIARY ALCOHOL.
References Cited (Backward Citations)
US2313103A
Cited
US2338568A
Cited
US2223180A
Cited
US2344890A
Cited
US2344889A
Cited
US2379368A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-10-11 | 1964-04-11 | 1964-10-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-10-11 | 1968-04-11 | 1968-10-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-10-11 | 1972-04-11 | 1972-10-11 | $7700.00 | Window Closed / Lapsed |