US3081286A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polymerization of olefines with a group va or vla metal oxide-aluminum trialkyl-alkanol catalyst
Assignee: Collier Carbon and Chemical Corp
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Filing: 1956-11-19
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Granted: 1963-03-12
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Expires: 1976-11-19
Abstract
No abstract record available.
Inventors
- 👤 Art C Mckinnis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 17:47
CPC Classifications
C; C08; C08F; C08F10/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
110 words
THE PROCESS WHICH COMPRISES SUBJECTING A NORMALLY GASEOUS MONO-OLEFINE TO A TEMPERATURE BETWEEN ABOUT 20*C. AND ABOUT 250*C. AND PRESSURE BETWEEN ABOUT 1 AND ABOUT 100 ATMOSPHERES IN THE PRESENCE OF AN INERT LIQUID REACTION MEDIUM, AN OXIDE OF A METAL SELECTED FROM THE CLASS CONSISTING OF THE METALS OF GROUPS VA AND VIA OF THE MENDELEEFF PERIODIC TABLE CARRIED ON A SUPPORT MATERIAL, AN ALUMINUM TRIALKYL, AND AN ALKANOL; AT LEAST ABOUT 1 MOLECULAR EQUIVALENT OF SAID ALUMINUM TRIALKYL BEING PROVIDED PER MOLECULAR EQUIVALENT OF SAID ALKANOL, AND SAID MONO-OLEFINE BEING SUBJECTED TO SAID CONDITIONS FOR A PERIOD OF TIME SUFFICIENT TO EFFECT THE FORMATION OF A SOLID POLYMER.
Claim 2
Dependent Claim
110 words
THE PROCESS WHICH COMPRISES SUBJECTING A NORMALLY GASEOUS MONO-OLEFINE TO A TEMPERATURE BETWEEN ABOUT 20*C. AND ABOUT 250*C. AND PRESSURE BETWEEN ABOUT 1 AND ABOUT 100 ATMOSPHERES IN THE PRESENCE OF AN INERT LIQUID REACTION MEDIUM, AN OXIDE OF A METAL SELECTED FROM THE CLASS CONSISTING OF THE METALS OF GROUPS VA AND VIA OF THE MENDELEEFF PERIODIC TABLE CARRIED ON A SUPPORT MATERIAL, AN ALUMINUM TRIALKYL, AND AN ALKANOL; AT LEAST ABOUT 1 MOLECULAR EQUIVALENT OF SAID ALUMINUM TRIALKYL BEING PROVIDED PER MOLECULAR EQUIVALENT OF SAID ALKANOL, AND SAID MONO-OLEFINE BEING SUBJECTED TO SAID CONDITIONS FOR A PERIOD OF TIME SUFFICIENT TO EFFECT THE FORMATION OF A SOLID POLYMER.
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) | 1966-03-11 | 1966-09-10 | 1967-03-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-03-11 | 1970-09-10 | 1971-03-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-03-11 | 1974-09-10 | 1975-03-12 | $7700.00 | Window Closed / Lapsed |