US2842585A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Organic esters of 2-(2-diethylaminoethoxy)-ethanol and their process of preparation
Assignee: UCB SA
•
Filing: 1954-03-23
•
Granted: 1958-07-08
•
Expires: 1974-03-23
Abstract
No abstract record available.
Inventors
- 👤 Morren Henri
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 20:38
CPC Classifications
C; C07; C07D; C07D295/00; C07D295/16; C07D295/20; C07D295/205; C07C; C07C323/00; C07C323/23; C07C323/24; C07C323/25; C07D307/00; C07D307/02; C07D307/34; C07D307/38; C07D307/54; C07D309/00; C07D309/02; C07D309/08; C07D333/00; C07D333/02; C07D333/04; C07D333/06; C07D333/24
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
13 words
A COMPOUND SELECTED FROM THE GROUP CONSISTING OF AN ESTER HAVING THE FORMULA
Claim 2
Dependent Claim
13 words
A COMPOUND SELECTED FROM THE GROUP CONSISTING OF AN ESTER HAVING THE FORMULA
References Cited (Backward Citations)
US2512307A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-07-07 | 1962-01-06 | 1962-07-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-07-07 | 1966-01-06 | 1966-07-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-07-07 | 1970-01-06 | 1970-07-08 | $7700.00 | Window Closed / Lapsed |