US3173967A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Isomerization of internal olefins to terminal olefins
Assignee: Individual
•
Filing: 1958-05-28
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Granted: 1965-03-16
•
Expires: 1978-05-28
Abstract
No abstract record available.
Inventors
- 👤 Herbert C Brown
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 18:14
CPC Classifications
C; C07; C07C; C07C11/00; C07C11/02; C07C1/00; C07C1/32; C07C1/321; C07C5/00; C07C5/22; C07C5/23; C07C5/25; C07C5/2506; C07C5/2562
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
82 words
A PROCESS FOR THE ISOMERIZATION OF AN INTERNAL MONOOLEFIN TO A TERMINAL OLEFIN WHICH COMPRISES REACTING, AT 100 TO 250*C. AN INTERNAL MONO-OLEFIN CONTAINING UP TO AND INCLUDING ABOUT 18 CARBON ATOMS WITH A CATALYST CONSISTING ESSENTIALLY OF A BORON COMPOUND SELECTED FROM THE GROUP CONSISTING OF ALIPHATIC AND ALICYCLIC HYDROCARBON BORON COMPOUNDS WHICH ARE LIQUID IN THE REACTION SYSTEM, HAVE AT LEAST ONE BORON TO CARBON LINKAGE, AND WHEREIN THE HYDROCARBON GROUPS CONTAIN UP TO AND INCLUDING ABOUT 18 CARBON ATOMS.
Claim 2
Dependent Claim
82 words
A PROCESS FOR THE ISOMERIZATION OF AN INTERNAL MONOOLEFIN TO A TERMINAL OLEFIN WHICH COMPRISES REACTING, AT 100 TO 250*C. AN INTERNAL MONO-OLEFIN CONTAINING UP TO AND INCLUDING ABOUT 18 CARBON ATOMS WITH A CATALYST CONSISTING ESSENTIALLY OF A BORON COMPOUND SELECTED FROM THE GROUP CONSISTING OF ALIPHATIC AND ALICYCLIC HYDROCARBON BORON COMPOUNDS WHICH ARE LIQUID IN THE REACTION SYSTEM, HAVE AT LEAST ONE BORON TO CARBON LINKAGE, AND WHEREIN THE HYDROCARBON GROUPS CONTAIN UP TO AND INCLUDING ABOUT 18 CARBON ATOMS.
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) | 1968-03-15 | 1968-09-14 | 1969-03-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-03-15 | 1972-09-14 | 1973-03-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-03-15 | 1976-09-14 | 1977-03-16 | $7700.00 | Window Closed / Lapsed |