Composiçáo bioativa

An improved bioactive agent delivery composition and method of application are described. The composition comprises a bioactive agent, a hydrophilic polymer in an incompletely hydrated state and a substantially water-miscible solvent system. The agent and polymer are essentially dissolved in the sol...

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Bibliographic Details
Main Authors RAMACHANDRAN CHANDRASEKHARAN, ARTHUR H. GOLDBERG, GORDON L. AMIDON
Format Patent
LanguagePortuguese
Published 21.06.1994
Edition5
Subjects
AGRICULTURE
ANIMAL HUSBANDRY
BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES, AS HERBICIDES
CHEMISTRY
COMPOSITIONS BASED THEREON
COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
FISHING
FORESTRY
HUMAN NECESSITIES
HUNTING
HYGIENE
MEDICAL OR VETERINARY SCIENCE
METALLURGY
ORGANIC MACROMOLECULAR COMPOUNDS
PEST REPELLANTS OR ATTRACTANTS
PLANT GROWTH REGULATORS
PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES
PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTSTHEREOF
THEIR PREPARATION OR CHEMICAL WORKING-UP
TRAPPING
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Summary:An improved bioactive agent delivery composition and method of application are described. The composition comprises a bioactive agent, a hydrophilic polymer in an incompletely hydrated state and a substantially water-miscible solvent system. The agent and polymer are essentially dissolved in the solvent system to form a sprayable composition having a viscosity of less than 350 cP. Upon dilution with water, the viscosity of the composition increases to in excess of 1000 cP to produce a retentive coating at the site of application which provides enhanced bioavailability of the agent.
Bibliography:Application Number: BR19929205313