US3325504A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Manufacture of aromatic nitriles and aldehydes
Assignee: Standard Oil Co
•
Filing: 1965-04-23
•
Granted: 1967-06-13
•
Expires: 1985-04-23
Abstract
No abstract record available.
Inventors
- 👤 Robert K Grasselli
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 13:39
CPC Classifications
C; C07; C07C; C07C253/00; C07C253/24; C07C253/28; B; B01; B01J; B01J23/00; B01J23/16; B01J23/18; C07C45/00; C07C45/27; C07C45/32; C07C45/33; C07C45/34; C07C45/36
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
11 words
A PROCESS FOR THE MANUFACTURE OF A COMPOUND HAVING THE STRUCTURE
Claim 2
Dependent Claim
11 words
A PROCESS FOR THE MANUFACTURE OF A COMPOUND HAVING THE STRUCTURE
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-06-12 | 1970-12-12 | 1971-06-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-06-12 | 1974-12-12 | 1975-06-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-06-12 | 1978-12-12 | 1979-06-13 | $7700.00 | Window Closed / Lapsed |