Patent US3314930A successfully refreshed from Google Patents.
US3314930A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Butene-1 polymerization catalyst
Assignee: Petro Tex Chemical Corp
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Filing: 1962-12-27
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Granted: 1967-04-18
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Expires: 1982-12-27
Abstract
No abstract record available.
Inventors
- 👤 Roger M Nagel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 20:17
CPC Classifications
C; C08; C08F; C08F10/00; C08F10/14
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
73 words
A PROCESS FOR POLYMERIZING BUTENE-1 WHICH COMPRISES CONTACTING BUTENE-1 WITH A CATALYST COMPRISING AN ALKYL ALUMINUM SESQUIHALIDE WHEREIN THE ALKYL GROUPS CONTAIN 2 TO 6 CARBON ATOMS, TITANIUM TRICHLORIDE-ALUMINUM TRICHLORIDE OBTAINED BY REDUCING TITANIUM TETRACHLORIDE WITH ALUMINUM, AND POTASSIUM IODIDE IN A MOLAR RATIO OF 0.1 TO ONE MOL OF TITANIUM TRICHLORIDE-ALUMINUM TRICHLORIDE PER MOL OF ALKYL ALUMINUM SESQUIHALIDE AND 0.1 TO 0.5 MOL OF POTASSIUM IODIDE PER MOL OF ALKYL ALUMINUM SESQUIHALIDE.
Claim 2
Dependent Claim
73 words
A PROCESS FOR POLYMERIZING BUTENE-1 WHICH COMPRISES CONTACTING BUTENE-1 WITH A CATALYST COMPRISING AN ALKYL ALUMINUM SESQUIHALIDE WHEREIN THE ALKYL GROUPS CONTAIN 2 TO 6 CARBON ATOMS, TITANIUM TRICHLORIDE-ALUMINUM TRICHLORIDE OBTAINED BY REDUCING TITANIUM TETRACHLORIDE WITH ALUMINUM, AND POTASSIUM IODIDE IN A MOLAR RATIO OF 0.1 TO ONE MOL OF TITANIUM TRICHLORIDE-ALUMINUM TRICHLORIDE PER MOL OF ALKYL ALUMINUM SESQUIHALIDE AND 0.1 TO 0.5 MOL OF POTASSIUM IODIDE PER MOL OF ALKYL ALUMINUM SESQUIHALIDE.
References Cited (Backward Citations)
US3032510A
Cited
US2909510A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-04-17 | 1970-10-17 | 1971-04-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-04-17 | 1974-10-17 | 1975-04-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-04-17 | 1978-10-17 | 1979-04-18 | $7700.00 | Window Closed / Lapsed |