Patent US2523252A successfully refreshed from Google Patents.
US2523252A
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Rodenticide compositions comprising pentaesters of tripolyphosphoric acid
Assignee: Monsanto Chemicals Ltd
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Filing: 1947-01-08
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Granted: 1950-09-19
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Expires: 1967-01-08
Abstract
No abstract record available.
Inventors
- 👤 Franklin D Smith
- 👤 John S Harris
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 20:50
CPC Classifications
A; A01; A01N; A01N57/00; A01N57/10; A01N57/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
54 words
A RODENTICIDE AND INSECTIVORICIDE COMPOSITION COMPRISING A PROCESSED SOLID FOOD PRODUCT AS AN EDIBLE CARRIER AND AS A TOXIC INGREDIENT, 0.5 TO 20% OF A PENTAESTER OF TRIPOLYPHOSPHORIC ACID, THE SAID ESTER RESIDUE BEING A RADICAL CONTAINING FROM 1 TO 4 CARTON ATOMS SELECTED FROM THE GROUP CONSISTING OF ALKYL, CHLORALKYL, ALKENYL AND CYCLOALKYL.
Claim 2
Dependent Claim
54 words
A RODENTICIDE AND INSECTIVORICIDE COMPOSITION COMPRISING A PROCESSED SOLID FOOD PRODUCT AS AN EDIBLE CARRIER AND AS A TOXIC INGREDIENT, 0.5 TO 20% OF A PENTAESTER OF TRIPOLYPHOSPHORIC ACID, THE SAID ESTER RESIDUE BEING A RADICAL CONTAINING FROM 1 TO 4 CARTON ATOMS SELECTED FROM THE GROUP CONSISTING OF ALKYL, CHLORALKYL, ALKENYL AND CYCLOALKYL.
References Cited (Backward Citations)
GB333216A
Cited
US2224695A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-09-18 | 1954-03-20 | 1954-09-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-09-18 | 1958-03-20 | 1958-09-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-09-18 | 1962-03-20 | 1962-09-19 | $7700.00 | Window Closed / Lapsed |