US3496233A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Production of unsaturated aldehydes
Assignee: BP Chemicals Ltd
•
Filing: 1968-06-05
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Granted: 1970-02-17
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Expires: 1988-06-05
Abstract
No abstract record available.
Inventors
- 👤 John Bohemen
- 👤 Frank Christopher Newman
- 👤 Barrie Wood
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 14:32
CPC Classifications
C; C07; C07C; C07C51/00; C07C51/16; C07C51/21; C07C51/25; C07C51/252; B; B01; B01J; B01J23/00; B01J23/002; B01J23/16; B01J23/18; B01J23/20; B01J23/22; B01J23/24; B01J23/26; B01J23/28; B01J23/32; B01J23/34; B01J23/70; B01J23/76; B01J23/84; B01J23/843; B01J23/8435; B01J23/847; B01J23/8472; B01J2523/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3338952A
Cited
US3326819A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-02-16 | 1973-08-18 | 1974-02-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-02-16 | 1977-08-18 | 1978-02-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-02-16 | 1981-08-18 | 1982-02-17 | $7700.00 | Window Closed / Lapsed |