Patent US4292322A successfully refreshed from Google Patents.
US4292322A
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Method for killing insects with electro-mechanical ultrasonic nebulizer
Assignee: Fumakilla Ltd
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Filing: 1979-08-09
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Granted: 1981-09-29
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Expires: 1999-08-09
Abstract
Abstract A novel method for killing insects on plants or in nearby air comprising vaporizing in air an insecticidal agent with an electro-mechanical ultrasonic nebulizer is disclosed.
Inventors
- 👤 Takayoshi Muramoto
- 👤 Kunitaka Orita
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 20:18
CPC Classifications
A; A01; A01N; A01N25/00; A01N25/02; B; B05; B05B; B05B17/00; B05B17/04; B05B17/06; B05B17/0607
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
419 words
A method of killing insects on plants or in nearby air comprising the steps of: applying thereto an insecticidal effective amount of a composition selected from the group consisting of the following solutions, and wherein each solution contains an agent and a solvent, said agent being about 2 to 20% by weight of said composition: a solution of allethrin in n-tridecane; a solution of resmethrin in n-tridecane; a solution of phenothrin in n-tridecane; a solution of phthalthrin in n-tridecane; a solution of permethrin in n-tridecane; a solution of allethrin in n-tetradecane; a solution of resmethrin in n-tetradecane; a solution of phenothrin in n-tetradecane; a solution of phthalthrin in n-tetradecane; a solution of permethrin in n-tetradecane; a solution of allethrin in kerosene-isopropyl alcohol (78:7 by weight); a solution of resmethrin in kerosene-isopropyl alcohol (78:7 by weight); a solution of phenothrin in kerosene-isopropyl alcohol (78:7 by weight); a solution of phthalthrin in kerosene-isopropyl alcohol (78:7 by weight); a solution of permethrin in kerosene-isopropyl alcohol (85:5 by weight); a solution of kadethrin in kerosene-isopropyl alcohol (85:5 by weight); a solution of cypermethrin in kerosene-isopropyl alcohol (85:5 by weight); a solution of decamethrin in kerosene-isopropyl alcohol (85:5 by weight); a solution of permethrin-allethrin in kerosene-isopropyl alcohol (90:10 by weight); a solution of phenothrin-allethrin in kerosene-isopropyl alcohol (90:10 by weight); a solution of kadethrin-allethrin in kerosene-isopropyl alcohol (90:10 by weight); a solution of decamethrin-allethrin in kerosene-isopropyl alcohol (90:10 by weight); a solution of cypermethrin-allethrin in kerosene-isopropyl alcohol (90:10 by weight); a solution of permethrin-phthalthrin in kerosene-isopropyl alcohol (90:10 by weight); a solution of phenothrin-phthalthrin in kerosene-isopropyl alcohol (90:10 by weight); a solution of kadethrin-phthalthrin in kerosene-isopropyl alcohol (90:10 by weight); a solution of decamethrin-phthalthrin in kerosene-isopropyl alcohol (90:10 by weight); a solution of cypermethrin-phthalthrin in kerosene-isopropyl alcohol (90:10 by weight); a solution of permethrin in kerosene-ethyl alcohol (93:7 by weight); a solution of permethrin in kerosene-ethyl malonate (93:7 by weight); a solution of permethrin in kerosene-sesame oil (93:7 by weight); a solution of permethrin in kerosene-sesame oil-isopropyl alcohol (93% kerosene and equal mixtures of the other two solvents); and a solution of permethrin in kerosene-isopropyl alcohol-ethyl alcohol (93% kerosene and equal mixtures of the other two solvents), wherein said composition is applied by nebulization in an electromechanical ultrasonic transducer operating in a frequency range of between 800,000 and 1,700,000 Hz to effect atomization and vaporization in air of a uniform concentration of said composition, the atomized and vaporized particles of said composition having a particle size in the range of 0.5 to 5 microns.
Claim 2
Independent Claim
419 words
A method of killing insects on plants or in nearby air comprising the steps of: applying thereto an insecticidal effective amount of a composition selected from the group consisting of the following solutions, and wherein each solution contains an agent and a solvent, said agent being about 2 to 20% by weight of said composition: a solution of allethrin in n-tridecane; a solution of resmethrin in n-tridecane; a solution of phenothrin in n-tridecane; a solution of phthalthrin in n-tridecane; a solution of permethrin in n-tridecane; a solution of allethrin in n-tetradecane; a solution of resmethrin in n-tetradecane; a solution of phenothrin in n-tetradecane; a solution of phthalthrin in n-tetradecane; a solution of permethrin in n-tetradecane; a solution of allethrin in kerosene-isopropyl alcohol (78:7 by weight); a solution of resmethrin in kerosene-isopropyl alcohol (78:7 by weight); a solution of phenothrin in kerosene-isopropyl alcohol (78:7 by weight); a solution of phthalthrin in kerosene-isopropyl alcohol (78:7 by weight); a solution of permethrin in kerosene-isopropyl alcohol (85:5 by weight); a solution of kadethrin in kerosene-isopropyl alcohol (85:5 by weight); a solution of cypermethrin in kerosene-isopropyl alcohol (85:5 by weight); a solution of decamethrin in kerosene-isopropyl alcohol (85:5 by weight); a solution of permethrin-allethrin in kerosene-isopropyl alcohol (90:10 by weight); a solution of phenothrin-allethrin in kerosene-isopropyl alcohol (90:10 by weight); a solution of kadethrin-allethrin in kerosene-isopropyl alcohol (90:10 by weight); a solution of decamethrin-allethrin in kerosene-isopropyl alcohol (90:10 by weight); a solution of cypermethrin-allethrin in kerosene-isopropyl alcohol (90:10 by weight); a solution of permethrin-phthalthrin in kerosene-isopropyl alcohol (90:10 by weight); a solution of phenothrin-phthalthrin in kerosene-isopropyl alcohol (90:10 by weight); a solution of kadethrin-phthalthrin in kerosene-isopropyl alcohol (90:10 by weight); a solution of decamethrin-phthalthrin in kerosene-isopropyl alcohol (90:10 by weight); a solution of cypermethrin-phthalthrin in kerosene-isopropyl alcohol (90:10 by weight); a solution of permethrin in kerosene-ethyl alcohol (93:7 by weight); a solution of permethrin in kerosene-ethyl malonate (93:7 by weight); a solution of permethrin in kerosene-sesame oil (93:7 by weight); a solution of permethrin in kerosene-sesame oil-isopropyl alcohol (93% kerosene and equal mixtures of the other two solvents); and a solution of permethrin in kerosene-isopropyl alcohol-ethyl alcohol (93% kerosene and equal mixtures of the other two solvents), wherein said composition is applied by nebulization in an electromechanical ultrasonic transducer operating in a frequency range of between 800,000 and 1,700,000 Hz to effect atomization and vaporization in air of a uniform concentration of said composition, the atomized and vaporized particles of said composition having a particle size in the range of 0.5 to 5 microns.
Claim 3
Dependent Claim
54 words
A method of killing insects according to claim 1 wherein each of the insecticide agents permethrin, phenothrin, kadethrin, decamethrin and cypermethrin (each, 50% solution in N,N-dimethylformamide) are mixed with either allethrin or phthalthrin, in a weight ratio of 5:1, and are dissolved in kerosene-isopropyl alcohol (90:10) by weight) at a concentration of 5% (w/v).
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
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| 3.5 Years (Year 4) | 1984-09-28 | 1985-03-30 | 1985-09-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1988-09-28 | 1989-03-30 | 1989-09-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1992-09-28 | 1993-03-30 | 1993-09-29 | $7700.00 | Window Closed / Lapsed |