Patent US3068180A successfully refreshed from Google Patents.
US3068180A
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US
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Polymerization of diolefins with a co or ni halide-aluminum alkyl compound catalyst
Assignee: Shell USA Inc
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Filing: 1960-02-10
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Granted: 1962-12-11
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Expires: 1980-02-10
Abstract
No abstract record available.
Inventors
- 👤 Gerrit J Van Amerongen
- 👤 Nozaki Kenzie
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 16:36
CPC Classifications
C; C08; C08F; C08F36/00; C08F36/02; C08F36/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
99 words
A METHOD OF PREPARING A CATALYTICALLY ACTIVE LIQUID REACTION MIXTURE WHICH COMPRISES MIXING (1) A SUBSTANTIALLY ANHYDROUS LIQUID HYDROCARBON, (2) AT LEAST ONE ALUMINUM ALKYL HALIDE, HAVING FROM 1 TO 10 CARBON ATOMS PER ALKYL GORUP, AND (3) A CONCENTRATED ANHYDORUS SOLUTION CONTAINING AT LEAST 50% OF TEH SATURATING AMOUNT OF A DIVALENT HALIDE OF A HEAVY METAL SELECTED FROM THE GROUP CONSISTING OF COBALT AND NICKEL IN AN ALCOHOL HAVING FROM 1 TO 4 CARON ATOMS PER MOLECULE, IN A RATIO TO PROVIDE AT LEAST 10 ATOMS OF ALUMINUM PER ATOM OF HEAVY METAL IN SAID REACTION MIXTURE.
Claim 2
Independent Claim
99 words
A METHOD OF PREPARING A CATALYTICALLY ACTIVE LIQUID REACTION MIXTURE WHICH COMPRISES MIXING (1) A SUBSTANTIALLY ANHYDROUS LIQUID HYDROCARBON, (2) AT LEAST ONE ALUMINUM ALKYL HALIDE, HAVING FROM 1 TO 10 CARBON ATOMS PER ALKYL GORUP, AND (3) A CONCENTRATED ANHYDORUS SOLUTION CONTAINING AT LEAST 50% OF TEH SATURATING AMOUNT OF A DIVALENT HALIDE OF A HEAVY METAL SELECTED FROM THE GROUP CONSISTING OF COBALT AND NICKEL IN AN ALCOHOL HAVING FROM 1 TO 4 CARON ATOMS PER MOLECULE, IN A RATIO TO PROVIDE AT LEAST 10 ATOMS OF ALUMINUM PER ATOM OF HEAVY METAL IN SAID REACTION MIXTURE.
References Cited (Backward Citations)
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Cited
BE543292A
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GB789781A
Cited
FR1171450A
Cited
FR1175201A
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GB851112A
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US2977349A
Cited
US2953556A
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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) | 1965-12-10 | 1966-06-11 | 1966-12-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-12-10 | 1970-06-11 | 1970-12-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-12-10 | 1974-06-11 | 1974-12-11 | $7700.00 | Window Closed / Lapsed |