US3294860A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Catalyst and process for olefin polymerization
Assignee: Sunray Dx Oil Co
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Filing: 1962-03-22
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Granted: 1966-12-27
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Expires: 1982-03-22
Abstract
No abstract record available.
Inventors
- 👤 John T Loft
- 👤 Stuart S Nesbitt
- 👤 William B York
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 20:37
CPC Classifications
C; C07; C07C; C07C2/00; C07C2/02; C07C2/04; C07C2/06; C07C2/08; C07C2/26; C07C2/32; B; B01; B01J; B01J21/00; B01J21/02; B01J27/00; B01J27/24; B01J31/00; B01J31/02; B01J31/12; B01J31/14; B01J31/16; B01J31/22; B01J31/26; C01; C01B; C01B35/00; C07C2/14; C07C2/18; C07C2/30; C07C2521/00; C07C2521/02; C07C2521/04; C07C2521/18; C07C2527/00; C07C2527/06; C07C2527/125; C07C2527/14; C07C2527/16; C07C2527/167; C07C2531/00; C07C2531/02; C07C2531/04; C07C2531/12; C07C2531/14; C07C2531/16; C07C2531/22; C07C2531/26
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
133 words
A CATALYST USEFUL FOR THE POLYMERIZATION OF OLEFINS WHICH CONSISTS ESSENTIALLY OF A REACTION PRODUCT OBTAINED BY REACTING AT A TEMPERATURE OF ABOUT 500 TO 700*F. FOR A PERIOD OF ABOUT 0.01 TO 10 HOURS A REACTANT COMBINATION SELECTED FROM THE GROUP CONSISTING OF: (A) AN ALUMINUM ALKOXIDE WITH A BORON ALKYL; (B) AN A;LUMINUM ALKOXIDE WITH AN ALKYL BORATE; (C) ALUMINUM PHOSPHATE WITH A BORON ALKYL; (D) ALUMINUM CITRATE WITH A BORON ALKL; (E) AN ALUMINUM ALKOXIDE WITH SODIUM BORATE; (F) ALUMINUM ACETYLACETONATE WITH A BORON ALKYL; (G) AN ALUMINUM ALKOXIDE WITH BORIC ANHYDRIDE; (H) AN ALUMINUM ALKOXIDE WITH BORIC ACID; AND (I) ALUMINIUM SILICOFLUORIDE WITH A BORON ALKYL; WITH THE MOLAR RATIO OF THE SAID BORON REACTANTS TO THE SAID ALUMINUM REACTANTS BEING IN THE RANGE FROM ABOUT 0.01:1 TO 100:1.
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-12-26 | 1970-06-27 | 1970-12-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-26 | 1974-06-27 | 1974-12-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-26 | 1978-06-27 | 1978-12-27 | $7700.00 | Window Closed / Lapsed |