US3403197A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Preparation of unsaturated oils with a crystalline violet titanium trichloride and ethyl aluminum dihalide catalyst
Assignee: ExxonMobil Technology and Engineering Co
•
Filing: 1965-12-01
•
Granted: 1968-09-24
•
Expires: 1985-12-01
Abstract
No abstract record available.
Inventors
- 👤 Charles W Seelbach
- 👤 Erik G M Tornqvist
- 👤 Jr Arthur W Langer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 18:48
CPC Classifications
C; C07; C07C; C07C2/00; C07C2/02; C07C2/04; C07C2/06; C07C2/08; C07C2/26; C07C2/30; B; B01; B01J; B01J27/00; B01J27/06; C07C2527/00; C07C2527/06; C07C2527/135; C07C2531/00; C07C2531/02; C07C2531/12; C07C2531/14; C07C2531/26; C07C2531/38
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
122 words
A PROCESS FOR PREPARING LOW MOLECULAR WEIGHT, HIGHLY UNSATURATED OILS COMPRISING POLYMERIZING AN OLEFIN HAVING 3 TO 20 CARBON ATOMS UNDER POLYMERIZING CONDITIONS AT A TEMPERATURE IN THE RANGE OF 30 TO 200*C. IN A HYDROCARBON DILUENT AND A PRESSURE IN THE RANGE FROM 10 TO 500 P.S.I.G. WITH A CATALYST SYSTEM COMPRISING A CRYSTALLINE VIOLET TITANIUM TRICHLORIDE CATALYST ACTIVATED WITH A MONOALKYL ALUMINUM DIHALIDE WHEREIN THE MOLAR RATIO OF SAID MONOALKYL ALUMINUM DIHALIDE TO THE TITANIUM TRICHLORIDE IN THE CATALYST SYSTEM IN LESS THAN 5:1 AND RECOVERING AS THE PREDOMINANT PRODUCT OILY, LIQUID POLYMERS OF SAID OLEFIN HAVING A CRYOSOPIC MOLECULAR WEIGHT VARYING FROM 150 TO 1500 AND AN IODINE NUMBER OF FROM 30 TO 80 CENTIGRAMS I/GRAM OF POLYMER OIL.
Claim 2
Dependent Claim
122 words
A PROCESS FOR PREPARING LOW MOLECULAR WEIGHT, HIGHLY UNSATURATED OILS COMPRISING POLYMERIZING AN OLEFIN HAVING 3 TO 20 CARBON ATOMS UNDER POLYMERIZING CONDITIONS AT A TEMPERATURE IN THE RANGE OF 30 TO 200*C. IN A HYDROCARBON DILUENT AND A PRESSURE IN THE RANGE FROM 10 TO 500 P.S.I.G. WITH A CATALYST SYSTEM COMPRISING A CRYSTALLINE VIOLET TITANIUM TRICHLORIDE CATALYST ACTIVATED WITH A MONOALKYL ALUMINUM DIHALIDE WHEREIN THE MOLAR RATIO OF SAID MONOALKYL ALUMINUM DIHALIDE TO THE TITANIUM TRICHLORIDE IN THE CATALYST SYSTEM IN LESS THAN 5:1 AND RECOVERING AS THE PREDOMINANT PRODUCT OILY, LIQUID POLYMERS OF SAID OLEFIN HAVING A CRYOSOPIC MOLECULAR WEIGHT VARYING FROM 150 TO 1500 AND AN IODINE NUMBER OF FROM 30 TO 80 CENTIGRAMS I/GRAM OF POLYMER OIL.
References Cited (Backward Citations)
US2168271A
Cited
US2970133A
Cited
US3116274A
Cited
US3153634A
Cited
US3118865A
Cited
US3251901A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-09-24 | 1972-03-25 | 1972-09-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-09-24 | 1976-03-25 | 1976-09-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-09-24 | 1980-03-25 | 1980-09-24 | $7700.00 | Window Closed / Lapsed |