US3551470A
Expired / Lapsed
US
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Process for the ammoxidation of olefins to unsaturated nitriles
Assignee: Standard Oil Co
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Filing: 1967-12-20
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Granted: 1970-12-29
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Expires: 1987-12-20
Abstract
No abstract record available.
Inventors
- 👤 Wilfrid G Shaw
- 👤 Robert K Grasselli
- 👤 Harley F Hardman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 20:18
CPC Classifications
C; C22; C22B; C22B41/00; B; B01; B01J; B01J23/00; B01J23/16; B01J23/24; B01J23/28; B01J23/31; B01J23/70; B01J23/76; B01J23/84; B01J23/85; B01J23/88; B01J23/887; B01J23/8876; B01J37/00; B01J37/02; B01J37/0201; B01J37/04; 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; B01J2523/00; Y; Y02; Y02P; Y02P20/00; Y02P20/50; Y02P20/52
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-12-28 | 1974-06-29 | 1974-12-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-12-28 | 1978-06-29 | 1978-12-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-12-28 | 1982-06-29 | 1982-12-29 | $7700.00 | Window Closed / Lapsed |