US3231550A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Olefin polymerization
Assignee: Union Carbide Corp
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Filing: 1964-06-04
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Granted: 1966-01-25
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Expires: 1984-06-04
Abstract
No abstract record available.
Inventors
- 👤 Robert M Manyik
- 👤 Wellington E Walker
- 👤 Thomas P Wilson
- 👤 George F Hurley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 16:43
CPC Classifications
C; C08; C08F; C08F10/00; C07; C07C; C07C2/00; C07C2/02; C07C2/04; C07C2/06; C07C2/08; C07C2/26; C07C2/30; C07C2531/00; C07C2531/02; C07C2531/04; C07C2531/12; C07C2531/14
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
122 words
A PROCESS FOR THE POLYMERIZATION OF MONO-UNSATURATED ALPHA-OLEFINS CONTAINING FROM TWO TO TEN CARBON ATOMS, WHICH COMPRISES CONTACTING SAID ALPHA-OLEFIN AT A PRESSURE UP TO ABOUT 100 ATMOSPHERES WITH A CATALYST COMPOSITION COMPRISING THE PRODUCT FORMED BY REACTING POLY(HYDROCARBYLALUMINUM OXIDE) AND A TRANSITION METAL COMPOUND SELECTED FROM THE GROUP CONSISTING OF THE COMPOUNDS OF THE METALS OF GROUPS IVA, VA, AND VIA, SAID POLY(HYDROCARBYLALUMINUM OXIDE) BEING THE PRODUCT OF THE REACTION OF FROM 0.25 TO 1.5 MOLES OF WATER PER MOLE OF ORGANO HYDROCARBYLALUMINUM COMPOUND WHEREIN THE HYDROCARBYL MOIETY THEREOF IS SELECTED FROM THE GROUP CONSISTING OF AN ALKYL RADICAL CONTAINING FROM 1 TO ABOUT 12 CARBON ATOMS AND AN ARYL RADICAL SELECTED FROM THE GROUP CONSISTING OF PHENYL AND NAPHTHYL RADICALS.
Claim 2
Dependent Claim
122 words
A PROCESS FOR THE POLYMERIZATION OF MONO-UNSATURATED ALPHA-OLEFINS CONTAINING FROM TWO TO TEN CARBON ATOMS, WHICH COMPRISES CONTACTING SAID ALPHA-OLEFIN AT A PRESSURE UP TO ABOUT 100 ATMOSPHERES WITH A CATALYST COMPOSITION COMPRISING THE PRODUCT FORMED BY REACTING POLY(HYDROCARBYLALUMINUM OXIDE) AND A TRANSITION METAL COMPOUND SELECTED FROM THE GROUP CONSISTING OF THE COMPOUNDS OF THE METALS OF GROUPS IVA, VA, AND VIA, SAID POLY(HYDROCARBYLALUMINUM OXIDE) BEING THE PRODUCT OF THE REACTION OF FROM 0.25 TO 1.5 MOLES OF WATER PER MOLE OF ORGANO HYDROCARBYLALUMINUM COMPOUND WHEREIN THE HYDROCARBYL MOIETY THEREOF IS SELECTED FROM THE GROUP CONSISTING OF AN ALKYL RADICAL CONTAINING FROM 1 TO ABOUT 12 CARBON ATOMS AND AN ARYL RADICAL SELECTED FROM THE GROUP CONSISTING OF PHENYL AND NAPHTHYL RADICALS.
References Cited (Backward Citations)
US3152105A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-01-24 | 1969-07-26 | 1970-01-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-24 | 1973-07-26 | 1974-01-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-24 | 1977-07-26 | 1978-01-25 | $7700.00 | Window Closed / Lapsed |