US3434975A
Expired / Lapsed
US
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Molybdenum-containing catalyst and method for the preparation thereof
Assignee: Atlantic Richfield Co
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Filing: 1965-12-27
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Granted: 1969-03-25
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Expires: 1985-12-27
Abstract
No abstract record available.
Inventors
- 👤 Ming Nan Sheng
- 👤 John G Zajacek
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 20:35
CPC Classifications
C; C07; C07D; C07D303/00; C07D303/02; C07D303/04; B; B01; B01J; B01J23/00; B01J23/16; B01J23/24; B01J23/28; B01J31/00; B01J31/02; B01J31/0201; B01J31/0211; C07D301/00; C07D301/02; C07D301/03; C07D301/19; B01J2231/00; B01J2231/70; B01J2231/72
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) | 1972-03-24 | 1972-09-23 | 1973-03-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-03-24 | 1976-09-23 | 1977-03-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-03-24 | 1980-09-23 | 1981-03-25 | $7700.00 | Window Closed / Lapsed |