US3303239A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Olefin polymerization
Assignee: Phillips Petroleum Co
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Filing: 1963-12-23
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Granted: 1967-02-07
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Expires: 1983-12-23
Abstract
No abstract record available.
Inventors
- 👤 James W Cleary
- 👤 Ray A Wickliffe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 15:56
CPC Classifications
C; C08; C08F; C08F10/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
205 words
A METHOD OF FORMING LIQUID POLYMERS COMPRISING CONTACTING MONOOLEFINS HAVING 2 TO 4 CARBON ATOMS PER MOLECULE WITH A CATALYST STYSTEM WHICH FORMS ON MIXING MATERIALS CONSISTING ESSENTIALLY OF (1) A TRANSITION METAL HALIDE OF THE GENERAL FROMUAL MXA WHERE M IS A TRANSITION METAL SELECTED FROM THE GROUP IV-B OF THE PERIODIC TABLE, X IS A HALOGEN SELECTED FROM THE GROUP CONSISTING OF CHLORINE, BROMINE, AND IODINE, AND A IS AN INTEGER EQUAL TO THE VALENCE OF M; (2) AN ORGANOALUMINUM HALIDE OF THE GENERAL FORMULA RBALXC WHERE R IS A 1 TO 12 CARBON ORGANO RADICAL, X IS A HALOGEN SELECTED FROM THE GROUP CONSISTING OF CHLORINE, BROMINE AND IODINE, AND B AND C ARE INTEGERS OF 1 AND 2, THE TOTAL OF B AND C BEING 3; AND (3) TRIORGANOBORON OF THE GENERAL FORMULA BR3 WHERE R IS A 1 TO 12 CARBON ORGANO RADICAL; THE MOL RATIO OF COMPONENTS (1), (2) AND (3) BEING IN THE RANGE OF 1:0.6:0.5 TO 1:3:5, THE CONCENTRATION OF COMPONENT (1) (MILLIMOLS) TO OLEFIN FEED (MOLS) BEING IN THE RANGE OF 1:0.05 TO 1:10.0, AT A TEMPERATURE IN THE RANGE OF 150 TO 350* F., AND A PRESSURE IN THE RANGE OF 100 TO 1000 P.S.I.G.
Claim 2
Independent Claim
205 words
A METHOD OF FORMING LIQUID POLYMERS COMPRISING CONTACTING MONOOLEFINS HAVING 2 TO 4 CARBON ATOMS PER MOLECULE WITH A CATALYST STYSTEM WHICH FORMS ON MIXING MATERIALS CONSISTING ESSENTIALLY OF (1) A TRANSITION METAL HALIDE OF THE GENERAL FROMUAL MXA WHERE M IS A TRANSITION METAL SELECTED FROM THE GROUP IV-B OF THE PERIODIC TABLE, X IS A HALOGEN SELECTED FROM THE GROUP CONSISTING OF CHLORINE, BROMINE, AND IODINE, AND A IS AN INTEGER EQUAL TO THE VALENCE OF M; (2) AN ORGANOALUMINUM HALIDE OF THE GENERAL FORMULA RBALXC WHERE R IS A 1 TO 12 CARBON ORGANO RADICAL, X IS A HALOGEN SELECTED FROM THE GROUP CONSISTING OF CHLORINE, BROMINE AND IODINE, AND B AND C ARE INTEGERS OF 1 AND 2, THE TOTAL OF B AND C BEING 3; AND (3) TRIORGANOBORON OF THE GENERAL FORMULA BR3 WHERE R IS A 1 TO 12 CARBON ORGANO RADICAL; THE MOL RATIO OF COMPONENTS (1), (2) AND (3) BEING IN THE RANGE OF 1:0.6:0.5 TO 1:3:5, THE CONCENTRATION OF COMPONENT (1) (MILLIMOLS) TO OLEFIN FEED (MOLS) BEING IN THE RANGE OF 1:0.05 TO 1:10.0, AT A TEMPERATURE IN THE RANGE OF 150 TO 350* F., AND A PRESSURE IN THE RANGE OF 100 TO 1000 P.S.I.G.
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) | 1970-02-06 | 1970-08-08 | 1971-02-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-02-06 | 1974-08-08 | 1975-02-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-02-06 | 1978-08-08 | 1979-02-07 | $7700.00 | Window Closed / Lapsed |