US3216894A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Phosphonic acid esters and process for their production
Assignee: Bayer AG
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Filing: 1960-03-25
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Granted: 1965-11-09
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Expires: 1980-03-25
Abstract
No abstract record available.
Inventors
- 👤 Lorenz Walter
- 👤 Schrader Gerhard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 18:19
CPC Classifications
A; A01; A01N; A01N57/00; A01N57/18; A01N57/24; C; C07; C07F; C07F9/00; C07F9/02; C07F9/28; C07F9/38; C07F9/40; C07F9/4003; C07F9/4018; C07F9/4071; C07F9/4078; C07F9/547; C07F9/645; C07F9/6509; C07F9/650905; C07F9/6512; C07F9/6515; C07F9/6518
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
20 words
THE METHOD OF CONTROLLING INSECTS WHICH COMPRISES CONTACTING THE INSECTS WITH A TOXIC AMOUNT OF A PHOSPHONOTHIOATE OF THE STRUCTURE
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) | 1968-11-08 | 1969-05-10 | 1969-11-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-08 | 1973-05-10 | 1973-11-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-08 | 1977-05-10 | 1977-11-09 | $7700.00 | Window Closed / Lapsed |