US3464930A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Oxidation catalyst containing vanadium and titanium
Assignee: BASF SE
•
Filing: 1966-05-09
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Granted: 1969-09-02
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Expires: 1986-05-09
Abstract
No abstract record available.
Inventors
- 👤 Wilhelm Friedrichsen
- 👤 Otto Goehre
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:10
CPC Classifications
C; C07; C07C; C07C51/00; C07C51/16; C07C51/21; C07C51/25; C07C51/252; B; B01; B01J; B01J23/00; B01J23/16; B01J23/20; B01J23/22; B01J23/24; B01J23/38; B01J23/54; B01J23/66; B01J23/68; B01J23/70; B01J23/76; B01J23/84; B01J23/89; B01J23/8933; B01J23/898; B01J37/00; B01J37/02; B01J37/0215; C07C51/215; C07C51/255; C07C51/265; C07C51/31; C07C51/313
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-09-01 | 1973-03-03 | 1973-09-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-09-01 | 1977-03-03 | 1977-09-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-09-01 | 1981-03-03 | 1981-09-02 | $7700.00 | Window Closed / Lapsed |