US3105066A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polymerizaition catalysts
Assignee: Cabot Corp
•
Filing: 1959-11-30
•
Granted: 1963-09-24
•
Expires: 1979-11-30
Abstract
No abstract record available.
Inventors
- 👤 James C Mackenzie
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 11:07
CPC Classifications
C; C08; C08F; C08F10/00; B; B01; B01J; B01J23/00; B01J23/16; B01J23/24; B01J23/26
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
81 words
A PROCESS FOR POLYMERIZING A-MONO-OLEFINS AND MIXTURES THEREOF WHICH COMPRISES CONTACTING AT TEMPERATURES BETWEEN ABOOUT -20*C. AND 2500*C. A SUBSTANCE CHOSEN FROM THE GROUP CONSISTING OF THE A-MONO-OLEFINS AND MIXTURES THEREOF, WITH A CATALYST COMPRISING AN OXIDE OF A METAL CHOSEN FROM THE GROUP CONSISTING OF THE METALS OF GROUP VA, VIA, VIIA AND PERIOD 4 OF GROUP VIIIB HAVING HALOGEN CHEMICALLY BOUND THERETO, SAID OXIDE BEING SUBSTANTIALLY FREE OF HYDROCARBON SOLUBLE COMPOUNDS, AND A COMPOUND CONFORMING TO THE GENERAL FORMULA:
Claim 2
Dependent Claim
81 words
A PROCESS FOR POLYMERIZING A-MONO-OLEFINS AND MIXTURES THEREOF WHICH COMPRISES CONTACTING AT TEMPERATURES BETWEEN ABOOUT -20*C. AND 2500*C. A SUBSTANCE CHOSEN FROM THE GROUP CONSISTING OF THE A-MONO-OLEFINS AND MIXTURES THEREOF, WITH A CATALYST COMPRISING AN OXIDE OF A METAL CHOSEN FROM THE GROUP CONSISTING OF THE METALS OF GROUP VA, VIA, VIIA AND PERIOD 4 OF GROUP VIIIB HAVING HALOGEN CHEMICALLY BOUND THERETO, SAID OXIDE BEING SUBSTANTIALLY FREE OF HYDROCARBON SOLUBLE COMPOUNDS, AND A COMPOUND CONFORMING TO THE GENERAL FORMULA:
Claim 3
Dependent Claim
69 words
AN IMPROVED CATALYST FOR POLYMERIZING A-MONOOLEFINS AND MIXTURES THEREOF WHICH COMPRISES AN OXIDE OF A METAL CHOSEN FROM THE GROUP CONSISTING OF METALS OF GROUP VA, VIA, VIIA AND PERIOD 4 OF GROUP VIIIB HAVING HALOGEN CHEMICALLY BOUND THERETO, SAID OXIDE BEING SUBSTANTIALLY FREE OF HYDROCARBON SOLUBLE COMPOUNDS, AND A COMPOUND CHOSEN FROM THE GROUP CONSISTING OF A GROUP I, II AND III METAL CONFORMING TO THE GENERAL FORMULA:
Claim 4
Dependent Claim
69 words
AN IMPROVED CATALYST FOR POLYMERIZING A-MONOOLEFINS AND MIXTURES THEREOF WHICH COMPRISES AN OXIDE OF A METAL CHOSEN FROM THE GROUP CONSISTING OF METALS OF GROUP VA, VIA, VIIA AND PERIOD 4 OF GROUP VIIIB HAVING HALOGEN CHEMICALLY BOUND THERETO, SAID OXIDE BEING SUBSTANTIALLY FREE OF HYDROCARBON SOLUBLE COMPOUNDS, AND A COMPOUND CHOSEN FROM THE GROUP CONSISTING OF A GROUP I, II AND III METAL CONFORMING TO THE GENERAL FORMULA:
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-09-23 | 1967-03-25 | 1967-09-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-09-23 | 1971-03-25 | 1971-09-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-09-23 | 1975-03-25 | 1975-09-24 | $7700.00 | Window Closed / Lapsed |