Gel type vapor release device

Details Gel type vapor release device Gel type vapor release device

2006-07-25

2006-07-25

Evans, Robin O. (Department: 3752)

Fluid sprinkling, spraying, and diffusing

Slow diffusers

C239S060000

Reissue Patent

active

RE039204

ABSTRACT:
delete-start id="DEL-S-00001" date="20060725" ?The present invention is drawn to a device for perfuming ambient air or closed spaces.delete-end id="DEL-S-00001" ?insert-start id="INS-S-00001" date="20060725" ?An active volatile substance, like a perfume, an insect repellent or a deodorizing or sanitizing agent, is evaporated from a device.insert-end id="INS-S-00001" ?Thedelete-start id="DEL-S-00002" date="20060725" ?saiddelete-end id="DEL-S-00002" ?device comprises water or an appropriate hydrophilic solvent containingdelete-start id="DEL-S-00003" date="20060725" ?said volatiledelete-end id="DEL-S-00003" ?insert-start id="INS-S-00002" date="20060725" ?theinsert-end id="INS-S-00002" ?activedelete-start id="DEL-S-00004" date="20060725" ?ingredient and an absorbing material chosen from superabsorbents, starch based systems, chemically modified cellulose and natural gum anddelete-end id="DEL-S-00004" ?insert-start id="INS-S-00003" date="20060725" ?volatile substance and a superabsorbent substanceinsert-end id="INS-S-00003" ?whichdelete-start id="DEL-S-00005" date="20060725" ?aredelete-end id="DEL-S-00005" ?insert-start id="INS-S-00004" date="20060725" ?isinsert-end id="INS-S-00004" ?capable of forming a gel with water ordelete-start id="DEL-S-00006" date="20060725" ?saiddelete-end id="DEL-S-00006" ?insert-start id="INS-S-00005" date="20060725" ?theinsert-end id="INS-S-00005" ?hydrophilic solvent, both components being adapted to be mixed with each other in order to achieve the diffusion ofdelete-start id="DEL-S-00007" date="20060725" ?saiddelete-end id="DEL-S-00007" ?insert-start id="INS-S-00006" date="20060725" ?the activeinsert-end id="INS-S-00006" ?volatiledelete-start id="DEL-S-00008" date="20060725" ?ingredientdelete-end id="DEL-S-00008" ?insert-start id="INS-S-00007" date="20060725" ?substanceinsert-end id="INS-S-00007" ?from thedelete-start id="DEL-S-00009" date="20060725" ?saiddelete-end id="DEL-S-00009" ?gel. The components are mixed with each other to formdelete-start id="DEL-S-00010" date="20060725" ?saiddelete-end id="DEL-S-00010" ?insert-start id="INS-S-00008" date="20060725" ?theinsert-end id="INS-S-00008" ?gel from which thedelete-start id="DEL-S-00011" date="20060725" ?perfume or a deodorizing or sanitizing agent, or an insect repellent,delete-end id="DEL-S-00011" ?insert-start id="INS-S-00009" date="20060725" ?active volatile substanceinsert-end id="INS-S-00009" ?diffuses uniformly and over a prolonged period of time into the surrounding air.

REFERENCES:
patent: 4419326 (1983-12-01), Santini
patent: 4739928 (1988-04-01), O'Neil
patent: 4798288 (1989-01-01), Holzner
patent: 4915301 (1990-04-01), Munteanu
patent: 0 835 666 (1998-04-01), None
patent: 2 635 955 (1990-03-01), None
patent: WO 98/18503 (1998-05-01), None

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