US2685599A
Expired / Lapsed
US
⏱️ 0.0 years remaining
New alkylolamine derivatives and process for preparing same
Assignee: Eastman Kodak Co
•
Filing: 1951-05-15
•
Granted: 1954-08-03
•
Expires: 1971-05-15
Abstract
No abstract record available.
Inventors
- 👤 Joseph B Dickey
- 👤 Robert A Corbitt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 23:33
CPC Classifications
C; C07; C07C; C07C233/00; C07C233/01; C07C233/16
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
8 words
A PROCESS FOR PREPARING COMPOUNDS OF THE FORMULA
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-08-02 | 1958-02-01 | 1958-08-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-08-02 | 1962-02-01 | 1962-08-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-08-02 | 1966-02-01 | 1966-08-03 | $7700.00 | Window Closed / Lapsed |