RE032513 cites 12 patents.

Described is a hollow container comprising a shell which is at least partially porous, containing an entrapped volatile substance and a process for dispensing the volatile substance at a visibly detectable rate, continuously or discontinuously, for discrete periods of time at a steady state, the volatile composition being in the alternative, a perfume composition, a deodorant composition, an air freshener composition, an insecticide composition, a herbicide composition, an odor masking composition, a pheremone composition, an animal repellent composition, or an insect repellent composition. The said container containing the entrapped volatile substance ceases to operate, discretely, when said container is placed in an outer air-tight container. The structure consisting of the outer container and the inner container is also a part of our invention.

Title
Method for dispensing at a visibly detectable rate, continuously or discontinuously, for discrete periods of time at a steady rate, a volatile composition of matter from a container into the atmosphere as well as the container used in the method
Application Number
620239
Publication Number
RE32513
Application Date
March 21, 1986
Publication Date
October 6, 1987
Inventor
Marina A Munteanu
New York
NY, US
Augustinus G van Loveren
Ryebrook
NY, US
Geoffrey B Seaber
Ijsselstein
NL
Agent
Arthur L Liberman
Assignee
International Flavors & Fragrances
NY, US
IPC
A61L 9/12
A61L 9/01
A61L 9/04
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