US3335199A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Olefin polymerization process
Assignee: Sunoco Inc
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Filing: 1966-06-06
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Granted: 1967-08-08
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Expires: 1986-06-06
Abstract
No abstract record available.
Inventors
- 👤 Jr William P Griffin
- 👤 Richard S Stearns
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 16:51
CPC Classifications
C; C07; C07C; C07C2/00; C07C2/02; C07C2/04; C07C2/06; C07C2/08; C07C2/10; C07C2523/00; C07C2523/16; C07C2523/24; C07C2523/26; C07C2523/70; C07C2523/74; C07C2523/755; C07C2523/76; C07C2523/84; C07C2523/85; C07C2523/86; Y; Y10; Y10S; Y10S526/00; Y10S526/903
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
107 words
A PROCESS FOR POLYMERIZING 1 OLEFINS WHICH COMPRISES NON-POLYMERIZABLY CONTACTING A CATALYST COMPRISING CHROMIUM OXIDE AND NICKEL OXIDE SUPPORTED ON A CARRIER WITH ETHYLENE AT A TEMPERATURE IN THE RANGE OF 150 TO 250*C. AND A PRESSURE IN THE RANGE OF .01 TO 25 P.S.I.A. AND SUBSEQUENTLY POLYMERIZING A 1-OLEFIN HAVING 2 TO 8 CARBON ATOMS WITH SAID CATALYST AT A TEMPERATURE IN THE RANGE OF 25 TO 125*C. AND A PRESSURE IN THE RANGE OF 10 TO 100 ATMOSPHERES TO FORM A LIQUID POLYMER OF SAID 1-OLEFIN HAVING A MOLECULAR WEIGHT OF 56-336, SAID LIQUIDS POLYMER BEING MORE THAN 50% BY WEIGHT OF ALL PRODUCTS FORMED.
Claim 2
Dependent Claim
107 words
A PROCESS FOR POLYMERIZING 1 OLEFINS WHICH COMPRISES NON-POLYMERIZABLY CONTACTING A CATALYST COMPRISING CHROMIUM OXIDE AND NICKEL OXIDE SUPPORTED ON A CARRIER WITH ETHYLENE AT A TEMPERATURE IN THE RANGE OF 150 TO 250*C. AND A PRESSURE IN THE RANGE OF .01 TO 25 P.S.I.A. AND SUBSEQUENTLY POLYMERIZING A 1-OLEFIN HAVING 2 TO 8 CARBON ATOMS WITH SAID CATALYST AT A TEMPERATURE IN THE RANGE OF 25 TO 125*C. AND A PRESSURE IN THE RANGE OF 10 TO 100 ATMOSPHERES TO FORM A LIQUID POLYMER OF SAID 1-OLEFIN HAVING A MOLECULAR WEIGHT OF 56-336, SAID LIQUIDS POLYMER BEING MORE THAN 50% BY WEIGHT OF ALL PRODUCTS FORMED.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-08-07 | 1971-02-06 | 1971-08-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-08-07 | 1975-02-06 | 1975-08-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-08-07 | 1979-02-06 | 1979-08-08 | $7700.00 | Window Closed / Lapsed |