US3073809A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for producing ethylene-1-olefin copolymers
Assignee: Union Carbide Corp
•
Filing: 1958-07-31
•
Granted: 1963-01-15
•
Expires: 1978-07-31
Abstract
No abstract record available.
Inventors
- 👤 Rudolph W Kluiber
- 👤 Wayne L Carrick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 18:10
CPC Classifications
C; C08; C08F; C08F210/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
120 words
A PROCESS FOR PRODUCING NORMALLY SOLID COPOLYMERS OF ETHYLENE AND A 1-OLEFIN WHICH INCLUDES THE STEP OF CONTACTING A MIXTURE OF ETHYLENE AND A 1-OLEFIN MONOMER CONTAINING UP TO ABOUT EIGHT CARBON ATOMS POLYMERIZING CONDITIONS WITH A HYDROCARBON SOLUBLE CATALYST COMPOSITION COMPRISING AS ONE COMPONENT A HYDROCARBON SOLUBLE ALUMINUM TRIHALIDE, AS A SECOND COMPONENT AN ORGANO-METALLIC COMPOUND OF A METAL SELECTED FROM THE GROUPS II-B, IV-A AND V-A OF THE PERIODIC SYSTEM OF ELEMENTS PRESENT IN AN AMOUNT FROM ABOUT 0.1 TO 10 MOLES PER MOLE OF ALUMINUM HALIDE AND AS A THIRD COMPONENT AT LEAST A TRACE AMOUNT OF A VANADIUM COMPOUND BUT SAID AMOUNT BEING LESS THAN ABOUT 0.05 MOLE OF VANADIUM PER MOLE OF SAID ALUMINUM HALIDE.
Claim 2
Dependent Claim
120 words
A PROCESS FOR PRODUCING NORMALLY SOLID COPOLYMERS OF ETHYLENE AND A 1-OLEFIN WHICH INCLUDES THE STEP OF CONTACTING A MIXTURE OF ETHYLENE AND A 1-OLEFIN MONOMER CONTAINING UP TO ABOUT EIGHT CARBON ATOMS POLYMERIZING CONDITIONS WITH A HYDROCARBON SOLUBLE CATALYST COMPOSITION COMPRISING AS ONE COMPONENT A HYDROCARBON SOLUBLE ALUMINUM TRIHALIDE, AS A SECOND COMPONENT AN ORGANO-METALLIC COMPOUND OF A METAL SELECTED FROM THE GROUPS II-B, IV-A AND V-A OF THE PERIODIC SYSTEM OF ELEMENTS PRESENT IN AN AMOUNT FROM ABOUT 0.1 TO 10 MOLES PER MOLE OF ALUMINUM HALIDE AND AS A THIRD COMPONENT AT LEAST A TRACE AMOUNT OF A VANADIUM COMPOUND BUT SAID AMOUNT BEING LESS THAN ABOUT 0.05 MOLE OF VANADIUM PER MOLE OF SAID ALUMINUM HALIDE.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-01-14 | 1966-07-16 | 1967-01-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-01-14 | 1970-07-16 | 1971-01-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-01-14 | 1974-07-16 | 1975-01-15 | $7700.00 | Window Closed / Lapsed |