US2962518A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Phosphonic acid esters
Assignee: Bayer AG
•
Filing: 1958-09-03
•
Granted: 1960-11-29
•
Expires: 1978-09-03
Abstract
No abstract record available.
Inventors
- 👤 Lorenz Walter
- 👤 Colln Reimer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 22:14
CPC Classifications
H; H10; H10P; H10P72/00; H10P72/04; H10P72/0444; A; A01; A01N; A01N57/00; A01N57/18; A01N57/20; C; C07; C07F; C07F9/00; C07F9/02; C07F9/28; C07F9/38; C07F9/40; C07F9/4003; C07F9/4006
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
7 words
A PHOSPHONIC ACID ESTER OF THE FORMULA
Claim 2
Dependent Claim
7 words
A PHOSPHONIC ACID ESTER OF THE FORMULA
References Cited (Backward Citations)
US2579810A
Cited
US2701225A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-11-29 | 1964-05-30 | 1964-11-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-11-29 | 1968-05-30 | 1968-11-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-11-29 | 1972-05-30 | 1972-11-29 | $7700.00 | Window Closed / Lapsed |