US3046265A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for the polymerization of diolefins with an alkyl aluminum, cobalt halide and acetyl halide catalyst
Assignee: Goodrich Gulf Chemicals Inc
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Filing: 1960-03-23
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Granted: 1962-07-24
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Expires: 1980-03-23
Abstract
No abstract record available.
Inventors
- 👤 Stanley M Hazen
- 👤 Leo F Meyer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 04:56
CPC Classifications
C; C08; C08F; C08F36/00; C08F36/02; C08F36/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
116 words
A PROCESS FOR THE HOMO POLYMERIZATION OF CONJUGATED DIOLEFINIC HYDROCARBONS WHICH COMPRISES CARRING OUT THE POLYMERIZATION IN THE PRESENCE OF A CATALYST SYSTEM CONSISTING ESSENTIALLY OF AN ALUMINUM ALKYL SELECTED FROM THE GROUP CONSISTING OF A TRIALKYL ALUMINUM, A DIALKYL ALUMINUM HALIDE AND AN ALKYL ALUMINUM DIHAIDE AN ANHYDROUS COBALT HALIDE AND ACETYL HALIDE, WHEREIN THE MOLAR RATIO OF SAID ALUMINUM ALKYL TO SAID COBALT HALIDE IS AT LEAST ABOUT 1:1, THE AMOUNT OF SAID ECETYL HALIDE PRESENT BEING ST LEAST ABOUT 0.5 MILLIMOL PER MOL OF SAID CONJUGATED DIOLEFINIC HYDROCARBON, AND THE COMBINED AMOUNTS OF SAID THREE COMPONENTS IN THE CATALYST SYSTEM BEING AT LEAST ABOUT 2.5 MILLIMOLS PER MOL OF SAID CONJUGATED DIOLEFINIC HYDROCARBON.
Claim 2
Dependent Claim
116 words
A PROCESS FOR THE HOMO POLYMERIZATION OF CONJUGATED DIOLEFINIC HYDROCARBONS WHICH COMPRISES CARRING OUT THE POLYMERIZATION IN THE PRESENCE OF A CATALYST SYSTEM CONSISTING ESSENTIALLY OF AN ALUMINUM ALKYL SELECTED FROM THE GROUP CONSISTING OF A TRIALKYL ALUMINUM, A DIALKYL ALUMINUM HALIDE AND AN ALKYL ALUMINUM DIHAIDE AN ANHYDROUS COBALT HALIDE AND ACETYL HALIDE, WHEREIN THE MOLAR RATIO OF SAID ALUMINUM ALKYL TO SAID COBALT HALIDE IS AT LEAST ABOUT 1:1, THE AMOUNT OF SAID ECETYL HALIDE PRESENT BEING ST LEAST ABOUT 0.5 MILLIMOL PER MOL OF SAID CONJUGATED DIOLEFINIC HYDROCARBON, AND THE COMBINED AMOUNTS OF SAID THREE COMPONENTS IN THE CATALYST SYSTEM BEING AT LEAST ABOUT 2.5 MILLIMOLS PER MOL OF SAID CONJUGATED DIOLEFINIC HYDROCARBON.
References Cited (Backward Citations)
BE534792A
Cited
US2905659A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-07-23 | 1966-01-22 | 1966-07-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-07-23 | 1970-01-22 | 1970-07-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-07-23 | 1974-01-22 | 1974-07-24 | $7700.00 | Window Closed / Lapsed |