Patent US2965693A successfully refreshed from Google Patents.
US2965693A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Paraffin alkylation with surface active agents
Assignee: ExxonMobil Technology and Engineering Co
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Filing: 1958-12-31
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Granted: 1960-12-20
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Expires: 1978-12-31
Abstract
No abstract record available.
Inventors
- 👤 George M Kramer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 12:58
CPC Classifications
C; C07; C07C; C07C6/00; C07C6/08; C07C6/10; C07C2/00; C07C2527/00; C07C2527/06; C07C2527/125; C07C2531/00; C07C2531/02; C07C2531/025; C07C2531/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
121 words
A PROCESS FOR THE PREPARATION OF HIGH OCTANE NAPHTHA COMPONENTS CONSISTING LARGELY OF BRANCHED CHAIN PARAFFIN HYDROCARBONS OF FROM 5 TO 7 CARBON ATOMS WHICH COMPRISES REACTING MINOR PROPORTIONS PARAFFIN HYDROCARBONS OF FROM 6 TO 18 CARBON ATOMS WITH MAJOR PORPORTIONS OF HYDROCARBONS SELECTED FROM THE GROUP CONSISTING OF BUTANES AND PENTANES, AT TEMPERATURES NO HIGHER THAN ABOUT 140*F., IN THE PRESENCE OF A COMPLEX COMPRISING ALUMIMUM BROMIDE, AN ALKYL HALIDE OF FROM 2 TO 8 CARBON ATOMS, AND A SURFACE ACTIVE MATERIAL SELECTED FROM THE GROUP CONSISTING OF ALKYL SULFONIC ACIDS, METAL SALTS OF ALKYL SULFONIC ACIDS, METAL STEARATES, AND QUATERNARY ALKYL AMMONIUM HALIDES, AND SURFACE ACTIVE MATERIAL FORMING AN ESSENTIALLY HOMOGENEOUS PHASE WITH THE ALUMINIUM BROMIDE AND ALKYL HALIDE.
Claim 2
Dependent Claim
121 words
A PROCESS FOR THE PREPARATION OF HIGH OCTANE NAPHTHA COMPONENTS CONSISTING LARGELY OF BRANCHED CHAIN PARAFFIN HYDROCARBONS OF FROM 5 TO 7 CARBON ATOMS WHICH COMPRISES REACTING MINOR PROPORTIONS PARAFFIN HYDROCARBONS OF FROM 6 TO 18 CARBON ATOMS WITH MAJOR PORPORTIONS OF HYDROCARBONS SELECTED FROM THE GROUP CONSISTING OF BUTANES AND PENTANES, AT TEMPERATURES NO HIGHER THAN ABOUT 140*F., IN THE PRESENCE OF A COMPLEX COMPRISING ALUMIMUM BROMIDE, AN ALKYL HALIDE OF FROM 2 TO 8 CARBON ATOMS, AND A SURFACE ACTIVE MATERIAL SELECTED FROM THE GROUP CONSISTING OF ALKYL SULFONIC ACIDS, METAL SALTS OF ALKYL SULFONIC ACIDS, METAL STEARATES, AND QUATERNARY ALKYL AMMONIUM HALIDES, AND SURFACE ACTIVE MATERIAL FORMING AN ESSENTIALLY HOMOGENEOUS PHASE WITH THE ALUMINIUM BROMIDE AND ALKYL HALIDE.
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) | 1963-12-20 | 1964-06-20 | 1964-12-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-12-20 | 1968-06-20 | 1968-12-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-12-20 | 1972-06-20 | 1972-12-20 | $7700.00 | Window Closed / Lapsed |