US3225022A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Catalyst compositions comprising aluminum chloride
Assignee: Monsanto Co
•
Filing: 1960-12-27
•
Granted: 1965-12-21
•
Expires: 1980-12-27
Abstract
No abstract record available.
Inventors
- 👤 Harry M Andersen
- 👤 William K Johnson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 23:17
CPC Classifications
C; C08; C08F; C08F10/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
115 words
A PROCESS FOR THE POLYMERIZATION OF AN ETHYLENICALLY UNSATURATED MONOOLEFIN HYDROCARBON HAVING FROM 2 TO 8 CARBON ATOMS, WHICH COMPRISES CONTACTING SAID OLEFIN MONOMER WITH A CATALYST PREPARED BY THE INTERACTION OF (A) A TITANIUM COMPOUND, (B) AN ALLUMINAUM COMPOUND OF THE GENERAL FORMULA R2 ALX, WHEREIN R IS SELECTED FROM THE GROUP CONSISTING OF ALKYL AND CYCLOALKYL RADICALS, AND X IS SELECTED FROM THE GROUP CONSISTING OF HYDROGEN, HALOGEN, ALKYL AND CYCLOALKYL RADICALS, AND (C) A SOLUTION OF AN ALUMINUM HALIDE SELECTED FROM THE GROUP CONSISTING OF ALUMINUM CHLORIDE, ALUMINUM BROMIDE AND ALUMINUM IODIDE IN A TETRAALKYLTIN COMPOUND, WHEREIN EACH ALKYL RADICAL OF SAID TETRAALKYL OF TIN CONTAINS FROM 1 TO 6 CARBON ATOMS.
Claim 2
Dependent Claim
115 words
A PROCESS FOR THE POLYMERIZATION OF AN ETHYLENICALLY UNSATURATED MONOOLEFIN HYDROCARBON HAVING FROM 2 TO 8 CARBON ATOMS, WHICH COMPRISES CONTACTING SAID OLEFIN MONOMER WITH A CATALYST PREPARED BY THE INTERACTION OF (A) A TITANIUM COMPOUND, (B) AN ALLUMINAUM COMPOUND OF THE GENERAL FORMULA R2 ALX, WHEREIN R IS SELECTED FROM THE GROUP CONSISTING OF ALKYL AND CYCLOALKYL RADICALS, AND X IS SELECTED FROM THE GROUP CONSISTING OF HYDROGEN, HALOGEN, ALKYL AND CYCLOALKYL RADICALS, AND (C) A SOLUTION OF AN ALUMINUM HALIDE SELECTED FROM THE GROUP CONSISTING OF ALUMINUM CHLORIDE, ALUMINUM BROMIDE AND ALUMINUM IODIDE IN A TETRAALKYLTIN COMPOUND, WHEREIN EACH ALKYL RADICAL OF SAID TETRAALKYL OF TIN CONTAINS FROM 1 TO 6 CARBON ATOMS.
References Cited (Backward Citations)
GB785314A
Cited
US2886561A
Cited
US2953554A
Cited
US2900374A
Cited
US3057842A
Cited
US2989487A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-12-20 | 1969-06-21 | 1969-12-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-12-20 | 1973-06-21 | 1973-12-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-12-20 | 1977-06-21 | 1977-12-21 | $7700.00 | Window Closed / Lapsed |