US2865943A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process of making o, o-dimethyl-o-(beta, beta-dichlorovinyl)-phosphate
Assignee: Bayer AG
•
Filing: 1954-09-15
•
Granted: 1958-12-23
•
Expires: 1974-09-15
Abstract
No abstract record available.
Inventors
- 👤 Lorenz Walter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 21:17
CPC Classifications
C; C07; C07F; C07F9/00; C07F9/02; C07F9/06; C07F9/08; C07F9/09; C07F9/113
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
16 words
PROCESS FOR THE PRODUCTION OF THE O,O-DIMETHYL-O(B,B-DICHLOROVINYL)-PHOSPHATE WHICH COMPRISES CONTACTING (B,B,B-TRICHLORO-A-HYDROXYETHYL)-DIMETHYL-PHOSPHONATE WITH AN ALKALINE REACTING AGENT.
Claim 2
Dependent Claim
16 words
PROCESS FOR THE PRODUCTION OF THE O,O-DIMETHYL-O(B,B-DICHLOROVINYL)-PHOSPHATE WHICH COMPRISES CONTACTING (B,B,B-TRICHLORO-A-HYDROXYETHYL)-DIMETHYL-PHOSPHONATE WITH AN ALKALINE REACTING AGENT.
References Cited (Backward Citations)
US2613221A
Cited
US2631162A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-12-22 | 1962-06-23 | 1962-12-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-12-22 | 1966-06-23 | 1966-12-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-12-22 | 1970-06-23 | 1970-12-23 | $7700.00 | Window Closed / Lapsed |