US3400084A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Catalyst composition for polymerizing alpha-olefins
Assignee: Toray Industries Inc
•
Filing: 1964-04-02
•
Granted: 1968-09-03
•
Expires: 1984-04-02
Abstract
No abstract record available.
Inventors
- 👤 Fukumoto Osamu
- 👤 Atarashi Yuji
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 03:14
CPC Classifications
C; C08; C08F; C08F10/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
129 words
A CATALYST COMPOSITION FOR POLYMERIZATION OF ALPHAOLEFINS, WHICH IS CHARACTERIZED IN THAT SAID COMPOSITION CONTAINS THE THREE COMPONENTS OF AN ALUMINYM SESQUIHALIDE HAVING THE FORMULA R3AL2X3, WHEREIN R IS A HYDROCARBON RADICAL HAVING 1-15 CARBON ATOMS AND X IS A HALOGEN, A HALIDE OF A TRANSITION METAL OF GROUPS IVAVIA OF THE PERIODIC TABLE, AND AN ALKALI METAL SALT OF AN OXYACID SELECTED FROM THE GROUP CONSISTING OF NITRIC ACID, NITROUS ACID, SULFURIC ACID, SULFUROUS ACID, HYDROSULFUROUS ACID, THIOSULFURIC ACID, BORIC ACID, PHOSPHORIC ACID, PHOSPHOROUS ACID, HYPOPHOSPHORUS ACID, SILICIC ACID, CHLORIC ACID, ARSENIC ACID, ARSENIOUS ACID, ANTIMONIC ACID, CHROMIC ACID, MANGAIC ACID, SELENIC ACID, SELENIOUS ACID, CARBOLIC ACID, CYANIC ACID, TUNGSTINIC ACID, MOLYBDENIC ACID, MATAVANADIC ACID, METASTANNIC ACID, ALUMINIC ACID AND TITANIC ACID IN A MOLAR RATIO OF 1:2.1-4:0.05-5.
Claim 2
Dependent Claim
129 words
A CATALYST COMPOSITION FOR POLYMERIZATION OF ALPHAOLEFINS, WHICH IS CHARACTERIZED IN THAT SAID COMPOSITION CONTAINS THE THREE COMPONENTS OF AN ALUMINYM SESQUIHALIDE HAVING THE FORMULA R3AL2X3, WHEREIN R IS A HYDROCARBON RADICAL HAVING 1-15 CARBON ATOMS AND X IS A HALOGEN, A HALIDE OF A TRANSITION METAL OF GROUPS IVAVIA OF THE PERIODIC TABLE, AND AN ALKALI METAL SALT OF AN OXYACID SELECTED FROM THE GROUP CONSISTING OF NITRIC ACID, NITROUS ACID, SULFURIC ACID, SULFUROUS ACID, HYDROSULFUROUS ACID, THIOSULFURIC ACID, BORIC ACID, PHOSPHORIC ACID, PHOSPHOROUS ACID, HYPOPHOSPHORUS ACID, SILICIC ACID, CHLORIC ACID, ARSENIC ACID, ARSENIOUS ACID, ANTIMONIC ACID, CHROMIC ACID, MANGAIC ACID, SELENIC ACID, SELENIOUS ACID, CARBOLIC ACID, CYANIC ACID, TUNGSTINIC ACID, MOLYBDENIC ACID, MATAVANADIC ACID, METASTANNIC ACID, ALUMINIC ACID AND TITANIC ACID IN A MOLAR RATIO OF 1:2.1-4:0.05-5.
References Cited (Backward Citations)
US2868772A
Cited
US3060132A
Cited
US2951066A
Cited
US3125558A
Cited
US3026312A
Cited
US3216987A
Cited
US3317499A
Cited
US3299024A
Cited
US3328375A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-09-03 | 1972-03-04 | 1972-09-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-09-03 | 1976-03-04 | 1976-09-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-09-03 | 1980-03-04 | 1980-09-03 | $7700.00 | Window Closed / Lapsed |