US3068180A
Expired / Lapsed
US
⏱️ 0.0 years remaining
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
2026-10-28 03:01
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)
BE538782A
Cited
BE543292A
Cited
GB789781A
Cited
FR1171450A
Cited
FR1175201A
Cited
GB851112A
Cited
US2977349A
Cited
US2953556A
Cited
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 |