US2898330A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Novel catalyst for the polymerization of ethylene
Assignee: Aries Associates Inc
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Filing: 1957-01-10
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Granted: 1959-08-04
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Expires: 1977-01-10
Abstract
No abstract record available.
Inventors
- 👤 Isbenjian Hrant
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 12:57
CPC Classifications
C; C08; C08F; C08F10/00
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
78 words
THE PROCESS WHICH COMPRISES POLYMERZING EHTYLENE IN A SUSPENSION IN AN INERT ORGANIC SOLVENT OF A COMPLEX OF A COMMERCIAL ALUMINUM HALIDE SELECTED FROM THE GROUP CONSISTING OF ALUMINUM CHLORIDE AND ALUMINUM BROMIDE WITH FROM ABOUT ONE-FIFTH TO ONE-FIFTEENTH THE MOLAR AMOUNT OF A METAL COMPOUND SELECTED FROM THE GROUP CONSISTING OF TETRAHYDROCARBON TIN, TETRAHYDROCARBON LEAD, TRIHYDROCARBON TIN HALIDE AND TRIHYDROCARBON LEAD HALIDE, SAID HYDROCARBON BEING SELECTED FROM THE GROUP CONSISTING OF ALKYL, ARYL, ARALKYL, AND ALKARYL HYDROCARBONS.
Claim 2
Dependent Claim
78 words
THE PROCESS WHICH COMPRISES POLYMERZING EHTYLENE IN A SUSPENSION IN AN INERT ORGANIC SOLVENT OF A COMPLEX OF A COMMERCIAL ALUMINUM HALIDE SELECTED FROM THE GROUP CONSISTING OF ALUMINUM CHLORIDE AND ALUMINUM BROMIDE WITH FROM ABOUT ONE-FIFTH TO ONE-FIFTEENTH THE MOLAR AMOUNT OF A METAL COMPOUND SELECTED FROM THE GROUP CONSISTING OF TETRAHYDROCARBON TIN, TETRAHYDROCARBON LEAD, TRIHYDROCARBON TIN HALIDE AND TRIHYDROCARBON LEAD HALIDE, SAID HYDROCARBON BEING SELECTED FROM THE GROUP CONSISTING OF ALKYL, ARYL, ARALKYL, AND ALKARYL HYDROCARBONS.
Claim 3
Dependent Claim
60 words
A CATALYST FOR POLYMERIZING OLEFINS COMPRISING THE COMPLEX OF A COMMERCAL ALUMINUM HALIDE SELECTED FROM THE GROUP CONSISTING OF ALUMINUM CHLORIDE AND ALUMINUM BRODIMIDE WITH A METAL COMPOUND SELECTED FROM THE GROUP CONSISTING OF TETRAHYDROCARBON TIN, TETRAHYDROCARBON LEAD, TRIHYDROCARBON TIN HALIDE AND TRIHYDROCARBON LEAD HALIDE, SAID HYDROCARBON BEING SELECTED FROM THE GROUP CONSISTING OF ALKYL, ARYL, ARALKYL, AND ALKARYL HYDROCARBONS.
Claim 4
Dependent Claim
60 words
A CATALYST FOR POLYMERIZING OLEFINS COMPRISING THE COMPLEX OF A COMMERCAL ALUMINUM HALIDE SELECTED FROM THE GROUP CONSISTING OF ALUMINUM CHLORIDE AND ALUMINUM BRODIMIDE WITH A METAL COMPOUND SELECTED FROM THE GROUP CONSISTING OF TETRAHYDROCARBON TIN, TETRAHYDROCARBON LEAD, TRIHYDROCARBON TIN HALIDE AND TRIHYDROCARBON LEAD HALIDE, SAID HYDROCARBON BEING SELECTED FROM THE GROUP CONSISTING OF ALKYL, ARYL, ARALKYL, AND ALKARYL HYDROCARBONS.
References Cited (Backward Citations)
US2786035A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-08-03 | 1963-02-02 | 1963-08-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-08-03 | 1967-02-02 | 1967-08-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-08-03 | 1971-02-02 | 1971-08-04 | $7700.00 | Window Closed / Lapsed |