US3306951A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Isomerization of olefinic hydrocarbons
Assignee: Chevron USA Inc
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Filing: 1963-08-05
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Granted: 1967-02-28
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Expires: 1983-08-05
Abstract
No abstract record available.
Inventors
- 👤 Seymour J Lapporte
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 12:53
CPC Classifications
C; C07; C07C; C07C5/00; C07C5/22; C07C5/23; C07C5/25; C07C5/2506; C07C5/2562; C07C5/2575; B; B01; B01J; B01J31/00; B01J31/02; B01J31/04; B01J31/12; B01J31/14; B01J31/143; B01J37/00; B01J37/16; B01J2231/00; B01J2231/50; B01J2231/52
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
93 words
PROCESS OF ISOMERIZING OLEFINS BY SHIFTING CARBONCARBON DOUBLE BONDS, WHICH COMPRISES CONTACTING FOR A PERIOD OF FROM ABOUT 0.001 TO 50 HOURS AND AT A TERMPERATURE IN THE RANGE FROM ABOUT 0* TO 300* C. AN ISOMERIZABLE ABLE OLEFINIC HYDROCARBON IN THE LIQUID PHASE WITH A CATALYTIC AMOUNT OF AN ISOMERIZATION CATALYST CONSISTING ESSENTIALLY OF THE INTERACTION PRODUCT OF: (A) ONE FORMULA WEIGHT OF AN ANHYDROUS REDUCIBLE IRON SALT, AND (B) FROM ABOUT 0.5 TO 6 MOLS OF AN IRON SALT REDUCING ORGANOMETALLIC COMPOUND SELECTED FROM MENDELYEEV GROUPS I, II OR III COMPOUNDS.
Claim 2
Dependent Claim
93 words
PROCESS OF ISOMERIZING OLEFINS BY SHIFTING CARBONCARBON DOUBLE BONDS, WHICH COMPRISES CONTACTING FOR A PERIOD OF FROM ABOUT 0.001 TO 50 HOURS AND AT A TERMPERATURE IN THE RANGE FROM ABOUT 0* TO 300* C. AN ISOMERIZABLE ABLE OLEFINIC HYDROCARBON IN THE LIQUID PHASE WITH A CATALYTIC AMOUNT OF AN ISOMERIZATION CATALYST CONSISTING ESSENTIALLY OF THE INTERACTION PRODUCT OF: (A) ONE FORMULA WEIGHT OF AN ANHYDROUS REDUCIBLE IRON SALT, AND (B) FROM ABOUT 0.5 TO 6 MOLS OF AN IRON SALT REDUCING ORGANOMETALLIC COMPOUND SELECTED FROM MENDELYEEV GROUPS I, II OR III COMPOUNDS.
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) | 1970-02-27 | 1970-08-29 | 1971-02-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-02-27 | 1974-08-29 | 1975-02-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-02-27 | 1978-08-29 | 1979-02-28 | $7700.00 | Window Closed / Lapsed |