US2945845A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polymerization of olefins with complex catalyst comprising platinum or palladium
Assignee: Universal Oil Products Co
•
Filing: 1958-04-28
•
Granted: 1960-07-19
•
Expires: 1978-04-28
Abstract
No abstract record available.
Inventors
- 👤 Schmerling Louis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 10:37
CPC Classifications
C; C08; C08F; C08F10/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
51 words
IN THE CATALYTIC POLYMERIZATION OF AN ALPHA-MONOOLEFINIC HYDROCARBON OF FROM 2 TO ABOUT 12 CARBON ATOMS PER MOLECULE IN THE PRESENCE OF A CATALYST CONSISTING ESSENTIALLY OF A TITANIUM TETRAHALIDE AND ALUMINUM, THE IMPROVEMENT WHICH COMPRISES ADDING TO SAID CATALYST A METAL SELECTED FROM THE GROUP CONSISTING OF PLATINUM AND PALLADIUM.
Claim 2
Dependent Claim
51 words
IN THE CATALYTIC POLYMERIZATION OF AN ALPHA-MONOOLEFINIC HYDROCARBON OF FROM 2 TO ABOUT 12 CARBON ATOMS PER MOLECULE IN THE PRESENCE OF A CATALYST CONSISTING ESSENTIALLY OF A TITANIUM TETRAHALIDE AND ALUMINUM, THE IMPROVEMENT WHICH COMPRISES ADDING TO SAID CATALYST A METAL SELECTED FROM THE GROUP CONSISTING OF PLATINUM AND PALLADIUM.
References Cited (Backward Citations)
GB682420A
Cited
US2862874A
Cited
US2777805A
Cited
US2854487A
Cited
US2840551A
Cited
US2846427A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-07-19 | 1964-01-18 | 1964-07-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-07-19 | 1968-01-18 | 1968-07-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-07-19 | 1972-01-18 | 1972-07-19 | $7700.00 | Window Closed / Lapsed |