Methods and personal protection devices for repelling insects
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
B05B-001/24
B05B-001/00
출원번호
US-0248532
(2005-10-12)
발명자
/ 주소
Ketcha,Marcia Mary
Rodriguez,Pedro Antonio
Underiner,Todd Laurence
Morrison,Lowen Robert
Beckholt,Dennis Allen
Dirksing,Robert Stanley
Moore,David Burton
Kerr,Kendal William
Still,James Dougl
출원인 / 주소
S.C. Johnson & Son, Inc.
인용정보
피인용 횟수 :
19인용 특허 :
63
초록▼
Methods and devices for repelling insects are disclosed. The methods and devices provide personal protection from insect bites and insect landings, particularly mosquito bites. The methods and devices employ insect repellents such as pyrethroids at low (parts per billion) levels. The methods and de
Methods and devices for repelling insects are disclosed. The methods and devices provide personal protection from insect bites and insect landings, particularly mosquito bites. The methods and devices employ insect repellents such as pyrethroids at low (parts per billion) levels. The methods and devices effectively minimize the number of mosquitoes landing on a subject properly using the devices.
대표청구항▼
What is claimed is: 1. A personal protection device for repelling insects comprising: a cartridge comprising a composition comprising an insect repellent; and dispersion means for actively dispersing the composition; wherein the cartridge is mounted to the personal protection device with respect t
What is claimed is: 1. A personal protection device for repelling insects comprising: a cartridge comprising a composition comprising an insect repellent; and dispersion means for actively dispersing the composition; wherein the cartridge is mounted to the personal protection device with respect to the dispersion means such that the dispersion means cause the composition to be removed from the cartridge and to be dispersed in an area around a subject, and wherein the dispersion means comprises means for bulk heating the composition to a temperature between about 30° C. and about 65° C. to volatilize the composition and blowing means for blowing an effective amount of volatilized composition into the area around the subject. 2. The device of claim 1, wherein the dispersion means further comprises a power source comprising an exothermic chemical reaction for powering the bulk heating means. 3. The device of claim 2, wherein the dispersion means further comprises a second power source comprising electricity for powering the blowing means. 4. The device of claim 2, wherein the cartridge further comprises a carrier containing the composition. 5. The device of claim 4, the dispersion means further comprising a receptacle containing the cartridge, wherein the bulk heating means comprise a chemical receptacle housing chemicals that generate heat; a fan for creating an air current that blows past the cartridge to cause egress of the composition from the cartridge; a battery receptacle, mounted to the device such that it does not interfere with the air current, for housing batteries that power the fan; and a housing around the cartridge and said dispersion means, wherein the housing comprises an air inlet upwind of the fan, and an air outlet downwind of the fan and the cartridge. 6. The device of claim 2, wherein the cartridge has a shape selected from the group consisting of a flat shape and a three-dimensional shape. 7. The device of claim 1, wherein the cartridge is removable. 8. The device of claim 7, wherein the cartridge is replaceable. 9. The device of claim 1, wherein the composition further comprises an ingredient selected from the group consisting of a blowing agent, a stabilizer, a synergist, a dye, a perfume, and combinations thereof. 10. The device of claim 1 further comprising a housing around the cartridge and the dispersion means, wherein the housing comprises an air intake upwind of the and an air outlet downwind of the blowing means and the cartridge, and a battery receptacle mounted to the device such that the battery receptacle does not impede air currents between the air intake and the air outlet. 11. A method for repelling insects, comprising the steps: (i) bulk heating a composition comprising an insect repellent selected from the group consisting of pyrethrins and pyrethroids to a temperature between about 30 degrees C. and about 45 degrees C. using an exothermic chemical energy source carried by a portable housing; and (ii) blowing an effective amount of the composition of step (i) in an area around a subject using a blower carried by the portable housing. 12. The method of claim 11, wherein the insects are selected from the group consisting of mosquitoes, house flies, biting midges, gnats, black flies, sand flies, horse flies, tsetse flies, fleas, ticks, mites, chiggers, and spiders. 13. The method of claim 11, wherein the pyrethroid is selected from the group consisting of allethrin, d-trans allethrin, d-allethrin, bioallethrin, esdepallethrin, empenthrin, prallethrin, transfluthrin, and combinations thereof. 14. The method of claim 11, wherein the amount of insect repellent is from less than about 1 part per billion up to about 50 parts per billion in air. 15. A method for protecting a subject from insects, comprising: placing a personal protection device near a subject, wherein the personal protection device comprises: a cartridge comprising a composition comprising an insect repellent; and dispersion means for actively dispersing the composition, the dispersion means including exothermic chemical bulk heating means for volatilizing the composition and electrical blowing means for blowing volatilized composition into the area around the subject; wherein the cartridge is mounted to the personal protection device with respect to the dispersion means such that the dispersion means cause the composition to be removed from the cartridge and to be dispersed in an area around the subject; and activating the personal protection device, wherein the step of activating comprises the step of bulk heating the composition to a temperature between about 30 degrees C. and about 45 degrees C. using the exothermic chemical bulk heating means. 16. The method of claim 15, wherein the subject is a human. 17. The method of claim 15, wherein the subject is selected from the group consisting of pets, livestock, and wild animals. 18. The method of claim 15, wherein the step of activating further comprises the step of blowing an effective amount of the volatilized composition in an area around the subject using the electrical blowing means. 19. The method of claim 18, wherein the personal protection device further comprises a portable housing carrying the electrical blowing means and the exothermic chemical bulk heating means.
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