US3176048A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Isomerisation of hydrocarbons
Assignee: BP PLC
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Filing: 1961-05-24
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Granted: 1965-03-30
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Expires: 1981-05-24
Abstract
No abstract record available.
Inventors
- 👤 Yeo Alan Arthur
- 👤 Hambling James Keith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 08:02
CPC Classifications
C; C07; C07C; C07C11/00; C07C11/02; C07C11/107; B; B01; B01J; B01J21/00; B01J21/02; B01J27/00; B01J27/24; C07C2/00; C07C2/02; C07C2/04; C07C2/06; C07C2/08; C07C2/24; C07C2/26; C07C2/30; C07C5/00; C07C5/22; C07C5/23; C07C5/25; C07C5/2506; C07C5/27; C07C5/2702; C07C5/2729; C07C5/2732; C07C5/2767; C07C5/277; C07C2521/00; C07C2521/18; C07C2523/00; C07C2523/02; C07C2523/04; C07C2527/00; C07C2527/14; C07C2527/16; C07C2527/167; C07C2527/173; C07C2527/20; C07C2527/22; C07C2527/232; C07C2531/00; C07C2531/02; C07C2531/12; C07C2531/14
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
55 words
A PROCESS WHICH COMPRISES ISOMERISING 4-METHYLPENTENE-1 IN CONTACT WITH A CATALYST CONSISTING OF A LAMELLAR COMPLEX OF POTASSIUM AND GRAPHITE SELECTED FROM THE GROUP OF SAID LAMELLAR COMPLEX CATALYSTS CONSISTING OF KC24, KC3, KC48, KC60, AND MIXTURES OF THE FOREGOING, AND RECOVERING FROM THE PRODUCT A C6 FRACTIONM, THE MAJOR CONSTITUENT OF WHICH IS 2-METHYLPENTENE-2.
Claim 2
Dependent Claim
55 words
A PROCESS WHICH COMPRISES ISOMERISING 4-METHYLPENTENE-1 IN CONTACT WITH A CATALYST CONSISTING OF A LAMELLAR COMPLEX OF POTASSIUM AND GRAPHITE SELECTED FROM THE GROUP OF SAID LAMELLAR COMPLEX CATALYSTS CONSISTING OF KC24, KC3, KC48, KC60, AND MIXTURES OF THE FOREGOING, AND RECOVERING FROM THE PRODUCT A C6 FRACTIONM, THE MAJOR CONSTITUENT OF WHICH IS 2-METHYLPENTENE-2.
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) | 1968-03-29 | 1968-09-28 | 1969-03-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-03-29 | 1972-09-28 | 1973-03-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-03-29 | 1976-09-28 | 1977-03-30 | $7700.00 | Window Closed / Lapsed |