Patent US3010949A successfully refreshed from Google Patents.
US3010949A
Expired / Lapsed
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Copolymers of 3-methyl-1-butene and 3-methyl-1-pentene
Assignee: Akzo Nobel UK PLC
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Filing: 1960-04-26
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Granted: 1961-11-28
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Expires: 1980-04-26
Abstract
No abstract record available.
Inventors
- 👤 John A Price
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 07:03
CPC Classifications
C; C08; C08F; C08F10/00; C08F10/14; C08F210/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
83 words
A POLYMERIZATION PROCESS WHICH COMPRISES CONTACTING A SOLUTION OF A MIXTURE OF 3-METHYL-1-BUTENE AND 3METHYL-1-PENTENE IN AN INERT HYDROCARBON SOLVENT WITH A CATALYST CONSISTING OF A COMPLEX BETWEEN A COMPOUND SELECTED FROM THE GROUP CONSISTING OF TITANIUM CHLORIDES AND VANADIUM CHLORIDES AND A COMPOUND SELECTED FROM THE GROUP CONSISTING OF ALUMINUM TRIALKYLS AND ALUMINUM DIALKYL MONOCHLORIDES, AT A TEMPERATURE BETWEEN AMBIENT TEMPERATURE AND 250*F., AND RECOVERING A SOLID POLYMERIC PRODUCT, THE PROPORTION OF 3-METHYL-1-BUTENE TO 3-METHYL1-PENTENE BEING FROM ABOUT 9:1 TO ABOUT 1:9.
Claim 2
Dependent Claim
83 words
A POLYMERIZATION PROCESS WHICH COMPRISES CONTACTING A SOLUTION OF A MIXTURE OF 3-METHYL-1-BUTENE AND 3METHYL-1-PENTENE IN AN INERT HYDROCARBON SOLVENT WITH A CATALYST CONSISTING OF A COMPLEX BETWEEN A COMPOUND SELECTED FROM THE GROUP CONSISTING OF TITANIUM CHLORIDES AND VANADIUM CHLORIDES AND A COMPOUND SELECTED FROM THE GROUP CONSISTING OF ALUMINUM TRIALKYLS AND ALUMINUM DIALKYL MONOCHLORIDES, AT A TEMPERATURE BETWEEN AMBIENT TEMPERATURE AND 250*F., AND RECOVERING A SOLID POLYMERIC PRODUCT, THE PROPORTION OF 3-METHYL-1-BUTENE TO 3-METHYL1-PENTENE BEING FROM ABOUT 9:1 TO ABOUT 1:9.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-11-27 | 1965-05-29 | 1965-11-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-11-27 | 1969-05-29 | 1969-11-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-11-27 | 1973-05-29 | 1973-11-28 | $7700.00 | Window Closed / Lapsed |