Volatile liquids having predetermined evaporation profiles
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
A61L-009/00
A62B-007/08
B01D-047/06
B01D-047/16
F24F-006/08
A01G-013/06
B05B-001/08
B05B-017/04
A61M-011/06
G01N-013/00
출원번호
UP-0771765
(2010-04-30)
등록번호
US-7845213
(2011-01-31)
발명자
/ 주소
Varanasi, Padma Prabodh
Adair, Joel E.
Liptrot, Michael C.
Song, Qing
출원인 / 주소
S.C. Johnson & Son, Inc.
인용정보
피인용 횟수 :
3인용 특허 :
97
초록▼
Dispensers and refills for volatile liquids, such as fragrances, are disclosed. Dispensers and refills in combination with dispensers according to the present invention may comprise a volatile liquid and a housing. In certain embodiments, the volatile liquid of the present invention has a predetermi
Dispensers and refills for volatile liquids, such as fragrances, are disclosed. Dispensers and refills in combination with dispensers according to the present invention may comprise a volatile liquid and a housing. In certain embodiments, the volatile liquid of the present invention has a predetermined evaporation rate, measured and calculated by the method described herein. In other embodiments, the volatile liquid exhibits a predefined relative evaporation rate. In addition to the housing, the present invention includes optional components, such as a motorized fan and/or a wick, to facilitate release of the volatile liquid into the atmosphere.
대표청구항▼
We claim: 1. A method of selecting a volatile liquid, comprising: selecting the volatile liquid based on an evaporation rate between about 5×10−9 and about 10×10−8 meters per second measured with about 30% of the volatile liquid remaining at room temperature, as measured and
We claim: 1. A method of selecting a volatile liquid, comprising: selecting the volatile liquid based on an evaporation rate between about 5×10−9 and about 10×10−8 meters per second measured with about 30% of the volatile liquid remaining at room temperature, as measured and calculated by drop shape analysis; and providing a wick, wherein about 90% of the volatile liquid evaporates through the wick within a predefined time period between about one and about two months under ambient conditions at ambient room temperature when the wick is exposed to the surrounding environment. 2. The method of claim 1, further comprising the step of providing between about 12 ml to about 15 ml of the selected volatile liquid based on the evaporation rate. 3. A method of volatizing a liquid, comprising: providing a housing and a fan mounted to the housing to generate an air stream; providing a selected volume of a volatile liquid carried within an enclosed reservoir, selecting the volatile liquid based on a predetermined evaporation rate between about 5×10−9 and about 10×10−8 meters per second measured with about 30% of the volatile liquid remaining at room temperature, as measured and calculated by drop shape analysis; providing a wick extending between the volatile liquid and the air stream, wherein about 90% of the volatile liquid evaporates through the wick within a predefined time period between about one month to about two months under ambient conditions at ambient room temperature when the wick is exposed to the surrounding environment; inserting the reservoir into the housing; and operating the fan, wherein the volatile liquid is dispersed out of the housing into the surrounding environment. 4. The method of claim 3, wherein the selected volume is between about 10 ml and about 15 ml. 5. The method of claim 3, wherein the evaporation rate is between about 1×10−8 and about 7×10−8 meters per second measured with about 30% of the volatile liquid remaining at room temperature, as measured and calculated by drop shape analysis. 6. The method of claim 5, wherein about 90% of the volatile liquid evaporates in about 2 months under ambient conditions. 7. The method of claim 3, wherein the volatile liquid has a relative evaporation rate of between about 0.5 and about 4. 8. The method of claim 3, wherein the fan exhibits a throughput of about 0.4 cubic feet per minute to about 0.45 cubic feet per minute. 9. The method of claim 8, wherein the air stream is intermittently on and off in a ratio of about 1 minute to 3 minutes. 10. The method of claim 3, wherein the volatile liquid comprises a fragrance. 11. The method of claim 3, wherein the volatile liquid is contained within a container that is adapted to be releasably secured to the housing. 12. A method of determining an evaporation time period of a volume of volatile liquid, comprising the step of: calculating an evaporation profile of the volatile liquid including at least two evaporation rates as measured and calculated by drop shape analysis, a first evaporation rate is between about 1×10−8 and about 7×10−8 meters per second measured with about 30% of the volatile liquid remaining at room temperature, as measured and calculated by drop shape analysis, and is calculated at a first time and a second evaporation rate calculated at a second time, wherein the evaporation rate at each time is calculated using an equation, wherein the evaporation rate at a time t=2(volume at t2−volume at t1)/(surface area at t2+surface area at time t1), where time t=(t1+t2)/2. 13. The method of claim 12, wherein the first time is calculated using t1=0 minutes and t2=2 minutes. 14. The method of claim 13, wherein the second time is calculated using t1=1 minute and t2=3 minutes. 15. The method of claim 12, wherein the first evaporation rate is measured at about 80% of the volatile liquid remaining at room temperature, as measured and calculated by drop shape analysis, wherein the second evaporation rate is measured at about 30% of the volatile liquid remaining at room temperature, as measured and calculated by drop shape analysis, and wherein the first evaporation rate is approximately equal to the second evaporation rate. 16. The method of claim 12, wherein the evaporation rate of the volatile liquid remains at a substantially constant level after about 0.8 volume fraction of the liquid is remaining.
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이 특허에 인용된 특허 (97)
Barlics John J. (North Edison NJ) Barlics Glen D. (South Plainfield NJ), Air freshener.
Fritz Barbara L. (Burnsville MN) Olson John T. (Chisago City MN) Morganson Stephen A. (Eagan MN) Sullivan William E. (Blythewood SC), Air freshener device and cartridge with battery.
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Gillett Colin (Wigan GBX) Hampshire Michael J. (Salford GBX) Hammond Geoffrey R. (Hull GBX), Apparatus for emitting a volatile chemical agent by heating and means for adjusting a spacing between a heater and the c.
Van Loveren Augustinus G. (Rye NY) Munteanu Marina A. (New York NY) Seaber Geoffrey B. (Ijsselstein NLX), Article which dispenses at a constant rate a volatile composition, and process for using same.
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Triplett, Carl; He, Mengato Pete; Wolpert, Christopher J.; Stathakis, Kristopher J.; Park, Derba, Method and apparatus for selective positioning a wick material in a vapor-dispensing device.
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Tollens, Fernando Ray; Tinlin, James Robert; Neergaard, Arthur Hampton; Mahoney, III, William Paul; Diersing, Steven Louis, Volatile emitter with reduced surface deposition and improved scent noticeability.
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