US3459825A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Catalyst and process for dimerization of olefins
Assignee: Sunoco Inc
•
Filing: 1967-10-26
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Granted: 1969-08-05
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Expires: 1987-10-26
Abstract
No abstract record available.
Inventors
- 👤 Gert G Eberhardt
- 👤 William P Griffin Jr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 12:30
CPC Classifications
C; C07; C07C; C07C2/00; C07C2/02; C07C2/04; C07C2/06; C07C2/08; C07C2/26; C07C2/36; B; B01; B01J; B01J31/00; B01J31/02; B01J31/12; B01J31/14; B01J31/143; B01J31/16; B01J31/24; B01J31/2404; B01J2531/00; B01J2531/80; B01J2531/84; B01J2531/847; B01J31/0234; B01J31/0255; B01J31/0267; B01J31/0268; C07C2531/00; C07C2531/02; C07C2531/12; C07C2531/14; C07C2531/16; C07C2531/24
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3306948A
Cited
US3355510A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-08-04 | 1973-02-03 | 1973-08-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-08-04 | 1977-02-03 | 1977-08-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-08-04 | 1981-02-03 | 1981-08-05 | $7700.00 | Window Closed / Lapsed |