US2824089A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydrocarbon conversion
Assignee: Standard Oil Co
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Filing: 1955-04-28
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Granted: 1958-02-18
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Expires: 1975-04-28
Abstract
No abstract record available.
Inventors
- 👤 Edwin F Peters
- 👤 Bernard L Evering
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 23:32
CPC Classifications
C; C08; C08F; C08F10/00; B; B01; B01J; B01J23/00; B01J23/16; B01J23/24; B01J23/26; B01J23/28; B01J23/70; B01J23/76; B01J23/84; B01J23/85; B01J23/88; Y; Y10; Y10S; Y10S260/00; Y10S260/25
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
122 words
A PROCESS FOR THE POLYMERIZATION OF A CHARGING STOCK COMPRISING ESSENTIALLY AT LEAST ONE MONOOLEFINIC HYDROCARBON HAVING 2 TO 4 CARBON ATOMS, INCLUSIVE, PER MOLECULE TO PRODUCE A HIGH MOLECULAR WEIGHT RESIN, WHICH PROCESS COMPRISES CONTACTING SAID CHARGING STOCK WITH A CATALYST COMPRISING A MINOR PROPORTION OF AN OXIDE OF A METAL OF GROUP 6A EXTENDED UPON A MAJOR PROPORTION OF AN INERT, SOLID SUPPORTING MATERIAL AND WITH A COCATALYST WHICH IS A TRIHYDROCARBON ALUMINUM, EACH CATALYST COMPONENT BEING PRESENT IN AN OPERATIVE PROPORTION OF AT LEAST ABOUT 0.001% BY WEIGHT, BASED ON THE WEIGHT OF SAID MONOOLEFINIC HYDROCARBON, EFFECTING SAID CONTACTING UNDER SUPERATMOSPHERIC PRESSURE AT A SUITABLE POLYMERIZATION TEMPERATURE BETWEEN ABOUT 50*C. AND ABOUT 230*C. AND RECOVERING SAID RESIN SO PRODUCED.
References Cited (Backward Citations)
US2699457A
Cited
US2727024A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-02-17 | 1961-08-19 | 1962-02-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-02-17 | 1965-08-19 | 1966-02-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-02-17 | 1969-08-19 | 1970-02-18 | $7700.00 | Window Closed / Lapsed |