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Patent US3882226A successfully refreshed from Google Patents.
US3882226A
Expired / Lapsed
US
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Insecticidal composition employing DDVP
Assignee: Individual
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Filing: 1972-10-05
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Granted: 1975-05-06
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Expires: 1992-10-05
Abstract
Abstract An insecticidal material comprising a porous ceramic carrier impregnated with a liquid mixture of 2,2-dichlorovinyl dimethyl phosphate and hexachloroethane, naphthalene, camphor and quinone.
Inventors
- 👤 Francis Edward Husba Bradburne
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 19:51
CPC Classifications
A; A01; A01N; A01N57/00; A01N25/00; A01N25/18; A01N25/22; A01N29/00; A01N29/04; A01N57/10; A01N57/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
76 words
AN INSECTICIDAL MATERIAL COMPRISING A POROUS CERAMIC CARRIER IMPREGNATED WITH AT LEAST AN INSECTICIDAL AMOUNT OF A LIQUID MIXTURE OF 2,2-DICHLOROVINYL DIMETHYL PHOSPHATE AND FROM ABOUT 5 TO ABOUT 20 PERCENT BY WEIGHT OF A VOLATILE WATER-INSOLUBLE SUBSTANCE SELECTED FROM THE GROUP CONSISTING OF HEXACHLOROETHANE, NAPHTHALENE AND CAMPHOR BASED ON THE TOTAL WEIGHT OF THE MIXTURE, THE POROSITY OF SAID CERAMIC CARRIER BEING SUFFICIENT TO ALLOW ABSORPTION THEREBY OF AN INSECTICIDAL AMOUNT OF THE LIQUID MIXTURE.
Claim 2
Dependent Claim
76 words
AN INSECTICIDAL MATERIAL COMPRISING A POROUS CERAMIC CARRIER IMPREGNATED WITH AT LEAST AN INSECTICIDAL AMOUNT OF A LIQUID MIXTURE OF 2,2-DICHLOROVINYL DIMETHYL PHOSPHATE AND FROM ABOUT 5 TO ABOUT 20 PERCENT BY WEIGHT OF A VOLATILE WATER-INSOLUBLE SUBSTANCE SELECTED FROM THE GROUP CONSISTING OF HEXACHLOROETHANE, NAPHTHALENE AND CAMPHOR BASED ON THE TOTAL WEIGHT OF THE MIXTURE, THE POROSITY OF SAID CERAMIC CARRIER BEING SUFFICIENT TO ALLOW ABSORPTION THEREBY OF AN INSECTICIDAL AMOUNT OF THE LIQUID MIXTURE.
References Cited (Backward Citations)
US3364105A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1978-05-05 | 1978-11-04 | 1979-05-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-05-05 | 1982-11-04 | 1983-05-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-05-05 | 1986-11-04 | 1987-05-06 | $7700.00 | Window Closed / Lapsed |