US3390202A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Promoted catalysts for the oxidation of olefins
Assignee: Standard Oil Co
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Filing: 1967-05-15
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Granted: 1968-06-25
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Expires: 1987-05-15
Abstract
No abstract record available.
Inventors
- 👤 James L Callahan
- 👤 Robert K Grasselli
- 👤 Warren R Knipple
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 11:47
CPC Classifications
B; B01; B01J; B01J21/00; B01J23/00; B01J23/16; B01J23/18; B01J23/38; B01J23/54; B01J23/56; B01J23/64; B01J23/644; B01J23/6445; B01J23/66; B01J23/68; B01J23/681; B01J23/70; B01J23/76; B01J23/84; B01J23/843; B01J23/8435; B01J27/00; B01J27/14; B01J27/16; B01J27/18; B01J27/1802; B01J27/1815; B01J37/00; B01J37/0009; C; C07; C07C; C07C253/00; C07C253/24; C07C253/26; C07C45/00; C07C45/27; C07C45/32; C07C45/33; C07C45/34; C07C45/35; C07C5/00; C07C5/42; C07C5/48; Y; Y02; Y02P; Y02P20/00; Y02P20/50; Y02P20/52; Y10; Y10S; Y10S502/00; Y10S502/50; Y10S502/503; Y10S502/504; Y10S585/00; Y10S585/8995; Y10S585/906
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3251899A
Cited
US3198750A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-06-25 | 1971-12-25 | 1972-06-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-06-25 | 1975-12-25 | 1976-06-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-06-25 | 1979-12-25 | 1980-06-25 | $7700.00 | Window Closed / Lapsed |