US3061602A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polymerization catalysts and processes therefor
Assignee: Shell USA Inc
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Filing: 1957-12-02
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Granted: 1962-10-30
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Expires: 1977-12-02
Abstract
No abstract record available.
Inventors
- 👤 Duck Edward William
- 👤 Fletcher Kenneth Leonard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 16:06
CPC Classifications
C; C07; C07C; C07C2/00; C07C2/02; C07C2/42; C07C2/48; C08; C08F; C08F10/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
228 words
THE REACTION PRODUCT CONSISTING ESSENTIALLY OF AN ALUMINUM ALKYL AND A TITANIUM HALIDE REACTED WITH A METAL ALACOHOLATE OF THE FORMULA M(OR)MRN WHEREIN M IS SELECTED FROM THE GROUP CONSISTING OF A TRANSISTION METAL IN GROUPS IV-VI OF THE MENDELEEFF PERIODIC TABLE, THE R''S ARE ALIPHATIC HYDROCARBON RADICALS, M IS A POSITIVE NUMBER AND N IS SELECTED FROM ZERO AND A POSITIVE WHOLE NUMBER, THE SUM OF M+N BEING EQUAL TO THE VALENCE OF M,THE METAL ALCOHOLATE BEING REACTED WITH THE SAUD REACTION PRODUCT IS AN AMOUNT RANGING FROM ABOUT .01 TO ABOUT 30 MILLIMOLES FOR ABOUT 10 TO ABOUT 100 MILLIMOLES. 13.IN THE PROCESS FOR POLYMERIZING A MONO-ALPHAOLEFIN AT TEMPERATURES BELOW 150*C. AND PRESSURES BELOW 500 P.S.I. WITH A CATALYST OF AN ALUMINUM ALKYL-TITANIUM HALIDE REACTION PRODUCT, THE IMPROVEMENT WHICH CONSISTS ESSENTIALLY OF CONDUCTING THE POLYMERIZATION IN THE ADDED PRESENCE OF A MINOR PORTION OF ADDED ALCOHOL AND ADDED METAL ALCOHOLATE OF THE FORMULA M(OR)MRN WHEREIN M IS SELECTED FROM THE GROUP CONSISTING OF A TRANSITION METAL IN GROUPS IV-VI OF THE MENDELEEFF PERIODIDC TABLE, THE R''S ARE ALIPHATIC HYDROCARBON RADICLSS, M IS A POSITIVE WHOLE NUMBER AND N IS SELECTED FROM ZERO IN A POSITIVE NUMBER, THE SUM OF M+N BEING EQUAL TO THE VALENCE OF M, THE TOTAL AMOUNT OF THE ALCOHOL AND THE ALCOHOLATE BEING BETWEEN 0.001 AND 10 MOLE PERCENNT OF THE MONO-ALPHA-OLEFIN.
Claim 2
Dependent Claim
228 words
THE REACTION PRODUCT CONSISTING ESSENTIALLY OF AN ALUMINUM ALKYL AND A TITANIUM HALIDE REACTED WITH A METAL ALACOHOLATE OF THE FORMULA M(OR)MRN WHEREIN M IS SELECTED FROM THE GROUP CONSISTING OF A TRANSISTION METAL IN GROUPS IV-VI OF THE MENDELEEFF PERIODIC TABLE, THE R''S ARE ALIPHATIC HYDROCARBON RADICALS, M IS A POSITIVE NUMBER AND N IS SELECTED FROM ZERO AND A POSITIVE WHOLE NUMBER, THE SUM OF M+N BEING EQUAL TO THE VALENCE OF M,THE METAL ALCOHOLATE BEING REACTED WITH THE SAUD REACTION PRODUCT IS AN AMOUNT RANGING FROM ABOUT .01 TO ABOUT 30 MILLIMOLES FOR ABOUT 10 TO ABOUT 100 MILLIMOLES. 13.IN THE PROCESS FOR POLYMERIZING A MONO-ALPHAOLEFIN AT TEMPERATURES BELOW 150*C. AND PRESSURES BELOW 500 P.S.I. WITH A CATALYST OF AN ALUMINUM ALKYL-TITANIUM HALIDE REACTION PRODUCT, THE IMPROVEMENT WHICH CONSISTS ESSENTIALLY OF CONDUCTING THE POLYMERIZATION IN THE ADDED PRESENCE OF A MINOR PORTION OF ADDED ALCOHOL AND ADDED METAL ALCOHOLATE OF THE FORMULA M(OR)MRN WHEREIN M IS SELECTED FROM THE GROUP CONSISTING OF A TRANSITION METAL IN GROUPS IV-VI OF THE MENDELEEFF PERIODIDC TABLE, THE R''S ARE ALIPHATIC HYDROCARBON RADICLSS, M IS A POSITIVE WHOLE NUMBER AND N IS SELECTED FROM ZERO IN A POSITIVE NUMBER, THE SUM OF M+N BEING EQUAL TO THE VALENCE OF M, THE TOTAL AMOUNT OF THE ALCOHOL AND THE ALCOHOLATE BEING BETWEEN 0.001 AND 10 MOLE PERCENNT OF THE MONO-ALPHA-OLEFIN.
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) | 1965-10-29 | 1966-04-30 | 1966-10-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-10-29 | 1970-04-30 | 1970-10-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-10-29 | 1974-04-30 | 1974-10-30 | $7700.00 | Window Closed / Lapsed |