US2914441A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and composition for pest control
Assignee: Pennwalt Corp
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Filing: 1955-02-09
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Granted: 1959-11-24
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Expires: 1975-02-09
Abstract
No abstract record available.
Inventors
- 👤 Zakheim Murray
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 00:51
CPC Classifications
A; A01; A01N; A01N25/00; A01N25/12; A01N25/14
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
101 words
A TOXICANT POWDER FOR DUSTING OVER THE SURFACE OF WATER FOR CONTROLLING PESTS THEREIN, SAID POWDER FORMING A SELF-PROPAGATING CONTINUOUS FILM ON THE WATER SURFACE ON CONTACT THEREWITH, AND COMPRISING AN INTIMATE MIXTURE OF A MINOR AMOUNT OF A SOLID, FINELY DIVIDED TOXICANT, AT LEAST 2% BY WEIGHT OF A SOLID, FINELY DIVIDED FILM-FORMING MATERIAL SELECTED FROM THE GROUP CONSISTING OF INSOLUBLE FATTY ACID SOAPS, INSOLUBLE SALTS OF PETROLEUM SULFONATES AND INSOLUBLE SALTS OF ALKYL ARYL SULFONATES, FROM .5% TO 10% OF A SOLID, FINELY DIVIDED ANIONIC SURFACE ACTIVE AGENT AND A MAJOR AMOUNT OF A SOLID, FINELY DIVIDED INERT DILUENT.
Claim 2
Dependent Claim
101 words
A TOXICANT POWDER FOR DUSTING OVER THE SURFACE OF WATER FOR CONTROLLING PESTS THEREIN, SAID POWDER FORMING A SELF-PROPAGATING CONTINUOUS FILM ON THE WATER SURFACE ON CONTACT THEREWITH, AND COMPRISING AN INTIMATE MIXTURE OF A MINOR AMOUNT OF A SOLID, FINELY DIVIDED TOXICANT, AT LEAST 2% BY WEIGHT OF A SOLID, FINELY DIVIDED FILM-FORMING MATERIAL SELECTED FROM THE GROUP CONSISTING OF INSOLUBLE FATTY ACID SOAPS, INSOLUBLE SALTS OF PETROLEUM SULFONATES AND INSOLUBLE SALTS OF ALKYL ARYL SULFONATES, FROM .5% TO 10% OF A SOLID, FINELY DIVIDED ANIONIC SURFACE ACTIVE AGENT AND A MAJOR AMOUNT OF A SOLID, FINELY DIVIDED INERT 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) | 1962-11-23 | 1963-05-25 | 1963-11-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-11-23 | 1967-05-25 | 1967-11-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-11-23 | 1971-05-25 | 1971-11-24 | $7700.00 | Window Closed / Lapsed |