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Patent US3403112A successfully refreshed from Google Patents.
US3403112A
Expired / Lapsed
US
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Process for producing a mixed oxide oxidation catalyst having improved selectivity
Assignee: Lummus Technology LLC
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Filing: 1965-08-20
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Granted: 1968-09-24
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Expires: 1985-08-20
Abstract
No abstract record available.
Inventors
- 👤 Morgan C Sze
- 👤 Adolf W Gessner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 12:47
CPC Classifications
B; B01; B01J; B01J23/00; B01J23/70; B01J23/76; B01J23/84; B01J23/85; B01J23/88; B01J23/881; C; C07; C07C; C07C45/00; C07C45/27; C07C45/32; C07C45/37; C07C45/38
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
FR1310499A
Cited
GB938648A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-09-24 | 1972-03-25 | 1972-09-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-09-24 | 1976-03-25 | 1976-09-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-09-24 | 1980-03-25 | 1980-09-24 | $7700.00 | Window Closed / Lapsed |