US2606940A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Catalytic polymerization of olefins
Assignee: Phillips Petroleum Co
•
Filing: 1945-06-15
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Granted: 1952-08-12
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Expires: 1965-06-15
Abstract
No abstract record available.
Inventors
- 👤 Grant C Bailey
- 👤 James A Reid
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 16:15
CPC Classifications
C; C07; C07C; C07C2/00; C07C2/02; C07C2/04; C07C2/06; C07C2/08; C07C2/10; C07C2521/00; C07C2521/12; C07C2523/00; C07C2523/70; C07C2523/74; C07C2523/755
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
80 words
A PROCESS FOR POLYMERIZING A NORMALLY GASEOUS OLEFIN HYDROCARBON TO FORM HIGHER MOLECULAR WEIGHT OLEFIN HYDROCARBONS WHICH COMPRISES CONTACTING SUCH AN OLEFIN HYDROCARBON UNDER POLYMERIZATION CONDITIONS INCLUDING A TEMPERATURE IN THE RANGE OF 0* TO 150* C. WITH A POLYMERIZATION CATALYST CONSISTING ESSENTIALLY OF A MINOR PROPORTION OF NICKEL OXIDE DISPERSED ON A MAJOR PROPORTION OF SILICA GEL CONTAINING AN AMOUNT OF ALUMINA AS A PROMOTER IN THE RANGE OF 1. TO 10 WEIGHT PER CENT BASED ON THE WEIGHT
Claim 2
Dependent Claim
80 words
A PROCESS FOR POLYMERIZING A NORMALLY GASEOUS OLEFIN HYDROCARBON TO FORM HIGHER MOLECULAR WEIGHT OLEFIN HYDROCARBONS WHICH COMPRISES CONTACTING SUCH AN OLEFIN HYDROCARBON UNDER POLYMERIZATION CONDITIONS INCLUDING A TEMPERATURE IN THE RANGE OF 0* TO 150* C. WITH A POLYMERIZATION CATALYST CONSISTING ESSENTIALLY OF A MINOR PROPORTION OF NICKEL OXIDE DISPERSED ON A MAJOR PROPORTION OF SILICA GEL CONTAINING AN AMOUNT OF ALUMINA AS A PROMOTER IN THE RANGE OF 1. TO 10 WEIGHT PER CENT BASED ON THE WEIGHT
References Cited (Backward Citations)
US1256032A
Cited
US1933091A
Cited
US1925820A
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US2181640A
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US2355388A
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US2377411A
Cited
US2385609A
Cited
US2332276A
Cited
US2349904A
Cited
US2380358A
Cited
US2381198A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-08-12 | 1956-02-11 | 1956-08-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-08-12 | 1960-02-11 | 1960-08-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-08-12 | 1964-02-11 | 1964-08-12 | $7700.00 | Window Closed / Lapsed |