US3073867A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for the manufacture of acetophenone
Assignee: Individual
•
Filing: 1960-01-11
•
Granted: 1963-01-15
•
Expires: 1980-01-11
Abstract
No abstract record available.
Inventors
- 👤 Robert D Offenhauer
- 👤 Anthony J Silvestri
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 14:06
CPC Classifications
B; B01; B01J; B01J31/00; B01J31/16; B01J31/18; B01J31/1805; B01J31/181; B01J31/1825; B01J31/183; B01J31/1815; C; C07; C07C; C07C45/00; C07C45/27; C07C45/32; C07C45/33; C07C45/34; C07C45/36; B01J2531/00; B01J2531/02; B01J2531/0238; B01J2531/0241; B01J2531/025; B01J2531/80; B01J2531/84; B01J2531/842
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
19 words
A PROCESS FOR THE MANUFACTURE OF ACETOPHENONE WHICH COMPRISES REACTING, IN THE LIQUID PHASE, AN ALKYLBENZENE HAVING THE FORMULA:
Claim 2
Dependent Claim
19 words
A PROCESS FOR THE MANUFACTURE OF ACETOPHENONE WHICH COMPRISES REACTING, IN THE LIQUID PHASE, AN ALKYLBENZENE HAVING THE FORMULA:
References Cited (Backward Citations)
US1813606A
Cited
GB801387A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-01-14 | 1966-07-16 | 1967-01-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-01-14 | 1970-07-16 | 1971-01-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-01-14 | 1974-07-16 | 1975-01-15 | $7700.00 | Window Closed / Lapsed |