US3210334A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Catalytic polymerization of ethylene
Assignee: Union Carbide Corp
•
Filing: 1957-03-25
•
Granted: 1965-10-05
•
Expires: 1977-03-25
Abstract
No abstract record available.
Inventors
- 👤 Wayne L Carrick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 07:33
CPC Classifications
C; C08; C08F; C08F110/00; C08F110/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
82 words
A PROCESS FOR POLYMERIZING ETHYLENE WHICH COMPRISES CONTACTING ETHYLENE WITH A CATALYST COMPOSITION ESSENTIALLY COMPRISING AS ONE COMPONENT A HYDROCARBON SOLUBLE ALUMINUM TRIHALIDE, AS A SECOND COMPONENT AN ORGANO-METALLIC COMPOUND HAVING HYDROCARBON GROUPS BOUND TO A METAL SELECTED FROM GROUPS II-B, IV-A, AND V-A OF THE PERIODIC SYSTEM OF ELEMENTS AND AS A THIRD COMPONENT A TRACE AMOUNT OF A VANADIUM COMPOUND SELECTED FROM THE GROUP CONSISTING OF HYDROCARBON SOLUBLE VANADIUM COMPOUNDS AND VANADIUM COMPOUNDS FORMING HYDROCARBON-SOLUBLE COMPOUNDS WITH THE ALUMINUM HALIDE.
Claim 2
Dependent Claim
82 words
A PROCESS FOR POLYMERIZING ETHYLENE WHICH COMPRISES CONTACTING ETHYLENE WITH A CATALYST COMPOSITION ESSENTIALLY COMPRISING AS ONE COMPONENT A HYDROCARBON SOLUBLE ALUMINUM TRIHALIDE, AS A SECOND COMPONENT AN ORGANO-METALLIC COMPOUND HAVING HYDROCARBON GROUPS BOUND TO A METAL SELECTED FROM GROUPS II-B, IV-A, AND V-A OF THE PERIODIC SYSTEM OF ELEMENTS AND AS A THIRD COMPONENT A TRACE AMOUNT OF A VANADIUM COMPOUND SELECTED FROM THE GROUP CONSISTING OF HYDROCARBON SOLUBLE VANADIUM COMPOUNDS AND VANADIUM COMPOUNDS FORMING HYDROCARBON-SOLUBLE COMPOUNDS WITH THE ALUMINUM HALIDE.
References Cited (Backward Citations)
CA502597A
Cited
US2683140A
Cited
US2816883A
Cited
BE530617A
Cited
US2825721A
Cited
US2762791A
Cited
US2867612A
Cited
BE540459A
Cited
BE543941A
Cited
US2822357A
Cited
US2827446A
Cited
BE547618A
Cited
US2900374A
Cited
US2898330A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-10-04 | 1969-04-05 | 1969-10-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-10-04 | 1973-04-05 | 1973-10-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-10-04 | 1977-04-05 | 1977-10-05 | $7700.00 | Window Closed / Lapsed |