Methods for reducing seepage from wick-based controlled release devices, and wick-based devices having reduced seepage

Methods and devices include having a container (1) for holding a liquid with a viscosity µ, and a porous wick (5) with an average pore size of at least about 4 microns to about 50 microns and a porosity (eta) between about 0.20 to about 0.75. and having a length L and a total exposed surface area A...

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Bibliographic Details
Main Authors ADAIR, JOEL, E, VARANASI, PRABODH, PADMA
Format Patent
LanguageEnglish
French
German
Published 26.10.2011
Subjects
AGRICULTURE
ANIMAL HUSBANDRY
APPARATUS FOR THE DESTRUCTION OF NOXIOUS ANIMALS OR NOXIOUSPLANTS
CATCHING, TRAPPING OR SCARING OF ANIMALS
CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS, ORSURGICAL ARTICLES
DISINFECTION, STERILISATION, OR DEODORISATION OF AIR
FISHING
FORESTRY
HUMAN NECESSITIES
HUNTING
HYGIENE
MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS, OR SURGICALARTICLES
MEDICAL OR VETERINARY SCIENCE
METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS INGENERAL
TRAPPING
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Summary:Methods and devices include having a container (1) for holding a liquid with a viscosity µ, and a porous wick (5) with an average pore size of at least about 4 microns to about 50 microns and a porosity (eta) between about 0.20 to about 0.75. and having a length L and a total exposed surface area A exposed to the ambient air. The viscosity of the liquid and the dimensions of the wick are such that a quantity A/µL is in a range of about 4 x 10 4 to about 18 cm/poise.
Bibliography:Application Number: EP20080166748