Patent US3149180A successfully refreshed from Google Patents.
US3149180A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydroisomerization of olefin hydrocarbons
Assignee: Shell USA Inc
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Filing: 1960-06-30
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Granted: 1964-09-15
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Expires: 1980-06-30
Abstract
No abstract record available.
Inventors
- 👤 Joost C Platteeuw
- 👤 Johannes H Choufoer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 20:59
CPC Classifications
C; C10; C10G; C10G49/00; B; B01; B01J; B01J23/00; B01J23/70; B01J23/76; B01J23/84; B01J23/843; B01J23/85; B01J27/00; B01J27/02; B01J27/04; B01J27/043; B01J27/057; B01J27/0573; B01J27/0576; C07; C07C; C07C5/00; C07C5/02; C07C5/13; C07C5/22; C07C5/27; C07C5/2767; C07C5/277; C07C5/2778; C07C5/2781; C10G45/00; C10G45/58; C10G45/60; C07C2521/00; C07C2521/12; C07C2523/00; C07C2523/16; C07C2523/18; C07C2527/00; C07C2527/02; C07C2527/04; C07C2527/043; C07C2527/047; C07C2527/057; C10G2400/00; C10G2400/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
101 words
A PROCESS FOR COVERTING OLEFINS BOILING WITHIN THE GASOLINE BOILING RANGE INTO PARAFFINS OF A MORE HIGHLY BRANCHED STRUCTURE WHICH COMPRISES CONTACTING THE OLEFINS IN THE PRESENCE OF HYDROGEN AT AN ELEVATED TEMPERATURE AND PRESSURE WITH A CATALYST COMPRISING A SOLID ACIDIC ISOMERIZATION CATALYST ON WHICH IS DEPOSITED A SULFIDE OF A METAL SELECTED FROM THE GROUP CONSISTING OF THE METALS IN THE LEFT-HAND COLUMN OF GROUP VI OF THE PERIODIC TABLE, THE IRON GROUP METALS OF GROUP VIII OF THE PERIODIC TABLE, AND MIXTURES THEREOF, AND RECOVERING AN EFFLUENT COMPRISING PARAFFINS HAVING A MORE HIGHLY BRANCHED STRUCTURE THAN SAID OLEFINS.
Claim 2
Dependent Claim
101 words
A PROCESS FOR COVERTING OLEFINS BOILING WITHIN THE GASOLINE BOILING RANGE INTO PARAFFINS OF A MORE HIGHLY BRANCHED STRUCTURE WHICH COMPRISES CONTACTING THE OLEFINS IN THE PRESENCE OF HYDROGEN AT AN ELEVATED TEMPERATURE AND PRESSURE WITH A CATALYST COMPRISING A SOLID ACIDIC ISOMERIZATION CATALYST ON WHICH IS DEPOSITED A SULFIDE OF A METAL SELECTED FROM THE GROUP CONSISTING OF THE METALS IN THE LEFT-HAND COLUMN OF GROUP VI OF THE PERIODIC TABLE, THE IRON GROUP METALS OF GROUP VIII OF THE PERIODIC TABLE, AND MIXTURES THEREOF, AND RECOVERING AN EFFLUENT COMPRISING PARAFFINS HAVING A MORE HIGHLY BRANCHED STRUCTURE THAN SAID OLEFINS.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-09-15 | 1968-03-16 | 1968-09-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-09-15 | 1972-03-16 | 1972-09-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-09-15 | 1976-03-16 | 1976-09-15 | $7700.00 | Window Closed / Lapsed |