US2570503A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process of preparing esters of aminesubstituted phosphonic acids
Assignee: Uniroyal Inc
•
Filing: 1949-05-11
•
Granted: 1951-10-09
•
Expires: 1969-05-11
Abstract
No abstract record available.
Inventors
- 👤 Pliny O Tawney
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 06:49
CPC Classifications
C; C10; C10M; C10M3/00; A; A01; A01N; A01N57/00; A01N57/18; C07; C07F; C07F9/00; C07F9/02; C07F9/28; C07F9/38; C07F9/40; C07F9/4003; C07F9/4006; C08; C08K; C08K5/00; C08K5/49; C08K5/51; C08K5/53; C08K5/5317; C08K5/5333; C08K5/5353; C10M2223/00; C10M2223/06; C10M2223/065; C10N; C10N2040/00; C10N2040/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
31 words
THE PROCESS WHICH COMPRISES EFFECTING ADDITION REACTION OF A COMPOUND CHOSEN FROM THE CLASS CONSISTING OF PRIMARY AND SECONDARY ALIPHATIC SATURATED AMINES WITH AN ESTER OF ETHENEPHOSPHONIC ACID HAVING THE FORMULA
Claim 2
Dependent Claim
31 words
THE PROCESS WHICH COMPRISES EFFECTING ADDITION REACTION OF A COMPOUND CHOSEN FROM THE CLASS CONSISTING OF PRIMARY AND SECONDARY ALIPHATIC SATURATED AMINES WITH AN ESTER OF ETHENEPHOSPHONIC ACID HAVING THE FORMULA
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) | 1954-10-08 | 1955-04-09 | 1955-10-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-10-08 | 1959-04-09 | 1959-10-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-10-08 | 1963-04-09 | 1963-10-09 | $7700.00 | Window Closed / Lapsed |