US2752283A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Phosphorus derivatives, process for their preparation and compositions containing them
Assignee: Rhone Poulenc SA
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Filing: 1955-03-25
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Granted: 1956-06-26
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Expires: 1975-03-25
Abstract
No abstract record available.
Inventors
- 👤 Metivier Jean
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 14:30
CPC Classifications
C; C07; C07F; C07F9/00; C07F9/02; C07F9/547; C07F9/655; C07F9/6552; Y; Y10; Y10S; Y10S424/00; Y10S424/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
66 words
PESTICIDAL COMPOSITIONS CONTAINING AT LEAST ONE COMPOUND OF THE GENERAL FORMULA: IN WHICH X IS SELECTED FROM OXYGEN AND SULPHUR, Y IS SELECTED FROM HYDROGEN AND CHLORINE R1 REPRESENTS A MEMBER OF THE CLASS, CONSISTING OF HYDROGEN AND ALKYL GROUPS CONTAINING AT MOST FOUR CARBON ATOMS, AND R2 AND R3 EACH REPRESENT AN ALKYL GROUP CONTAINING AT MOST FOUR CARBON ATOMS, IN ASSOCIATION WITH A DILUENT.
Claim 2
Dependent Claim
66 words
PESTICIDAL COMPOSITIONS CONTAINING AT LEAST ONE COMPOUND OF THE GENERAL FORMULA: IN WHICH X IS SELECTED FROM OXYGEN AND SULPHUR, Y IS SELECTED FROM HYDROGEN AND CHLORINE R1 REPRESENTS A MEMBER OF THE CLASS, CONSISTING OF HYDROGEN AND ALKYL GROUPS CONTAINING AT MOST FOUR CARBON ATOMS, AND R2 AND R3 EACH REPRESENT AN ALKYL GROUP CONTAINING AT MOST FOUR CARBON ATOMS, IN ASSOCIATION WITH A DILUENT.
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) | 1959-06-26 | 1959-12-26 | 1960-06-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-06-26 | 1963-12-26 | 1964-06-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-06-26 | 1967-12-26 | 1968-06-26 | $7700.00 | Window Closed / Lapsed |