Patent US3006904A successfully refreshed from Google Patents.
US3006904A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polymerization of monoolefins with alcohol-containing catalyst
Assignee: BASF SE
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Filing: 1957-04-02
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Granted: 1961-10-31
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Expires: 1977-04-02
Abstract
No abstract record available.
Inventors
- 👤 Jahrstorfer Michael
- 👤 Spaenig Hermann
- 👤 Weickmann August
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 20:16
CPC Classifications
C; C08; C08F; C08F10/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
143 words
A PROCESS FOR THE PRODUCTION OF POLYMERS WHICH COMPRISES POLYMERIZING AN OLEFIN SELECTED FROM THE GROUP CONSISTING OF ETHYLENE, PROPYLENE, AND ISOBUTYLENE IN THE PRESENCE OF A CATALYST WHICH HAS BEEN FORMED BY THE REACTION OF (A) A METAL SELECTED FROM THE GROUP CONSISTING OF ALUMINUM AND ZINC, (B) A HALIDE OF A METAL SELECTED FROM THE GROUP CONSISTING OF TITANIUM AND VANADIUM, AND (C) A SATURATED ALIPHATIC MONOALCOHOL CONTAINING UP TO 6 CARBON ATOMS, THE MOLAR RATIO OF SAID METAL A TO SAID HALIDE B VARYING BETWEEN ABOUT 0.75:4 TO 4:0.75, THE AMOUNT OF ALCOHOL C PRESENT IN THE REACTION MIXTURE BEING FROM ABOUT 0.25 TO ABOUT 1.33 MOLS FOR EACH MOL OF SAID METAL A AND FROM ABOUT 0.25 TO ABOUT 1.33 MOLS FOR EACH MOL OF SAID HALIDE B, SAID REACTION TAKING PLACE IN THE PRESENCE OF A HYDROCARBON DILUENT.
Claim 2
Dependent Claim
143 words
A PROCESS FOR THE PRODUCTION OF POLYMERS WHICH COMPRISES POLYMERIZING AN OLEFIN SELECTED FROM THE GROUP CONSISTING OF ETHYLENE, PROPYLENE, AND ISOBUTYLENE IN THE PRESENCE OF A CATALYST WHICH HAS BEEN FORMED BY THE REACTION OF (A) A METAL SELECTED FROM THE GROUP CONSISTING OF ALUMINUM AND ZINC, (B) A HALIDE OF A METAL SELECTED FROM THE GROUP CONSISTING OF TITANIUM AND VANADIUM, AND (C) A SATURATED ALIPHATIC MONOALCOHOL CONTAINING UP TO 6 CARBON ATOMS, THE MOLAR RATIO OF SAID METAL A TO SAID HALIDE B VARYING BETWEEN ABOUT 0.75:4 TO 4:0.75, THE AMOUNT OF ALCOHOL C PRESENT IN THE REACTION MIXTURE BEING FROM ABOUT 0.25 TO ABOUT 1.33 MOLS FOR EACH MOL OF SAID METAL A AND FROM ABOUT 0.25 TO ABOUT 1.33 MOLS FOR EACH MOL OF SAID HALIDE B, SAID REACTION TAKING PLACE IN THE PRESENCE OF A HYDROCARBON DILUENT.
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) | 1964-10-30 | 1965-05-01 | 1965-10-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-10-30 | 1969-05-01 | 1969-10-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-10-30 | 1973-05-01 | 1973-10-31 | $7700.00 | Window Closed / Lapsed |