US3529935A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Catalytic reaction of carbon monoxide with steam
Assignee: BASF SE
•
Filing: 1968-04-10
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Granted: 1970-09-22
•
Expires: 1988-04-10
Abstract
No abstract record available.
Inventors
- 👤 Ernst Lorenz
- 👤 Friedrich Wodtcke
- 👤 Franz Ludwig Ebenhoech
- 👤 Erich Giesler
- 👤 Helmut Kirner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 22:12
CPC Classifications
B; B01; B01J; B01J23/00; B01J23/005; B01J23/70; B01J23/76; B01J23/84; B01J23/85; C; C01; C01B; C01B3/00; C01B3/02; C01B3/06; C01B3/12; C01B3/16; C10; C10K; C10K3/00; C10K3/02; C10K3/04; B01J37/00; B01J37/02; B01J37/0201; Y; Y02; Y02P; Y02P20/00; Y02P20/50; Y02P20/52; Y10; Y10S; Y10S502/00; Y10S502/524
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-09-21 | 1974-03-23 | 1974-09-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-09-21 | 1978-03-23 | 1978-09-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-09-21 | 1982-03-23 | 1982-09-22 | $7700.00 | Window Closed / Lapsed |