Polyurethane elastomers

This disclosure relates to a linear polymer obtained by reacting a polyethylene glycol, a polypropylene glycol; a diol; and a diisocyanate, as well as a controlled release composition containing the linear polymer together with an active agent. The active agent can have a molecular weight of 200 g/m...

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Bibliographic Details
Main Authors ZURUTUZA AMAIA, LIVINGSTONE MARK, TUOMINEN JUKKA, HALLIDAY JANET A
Format Patent
LanguageEnglish
Published 29.01.2013
Subjects
ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE
ADHESIVES
CHEMISTRY
DYES
HUMAN NECESSITIES
HYGIENE
MEDICAL OR VETERINARY SCIENCE
METALLURGY
MISCELLANEOUS APPLICATIONS OF MATERIALS
MISCELLANEOUS COMPOSITIONS
NATURAL RESINS
NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL
PAINTS
POLISHES
PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES
USE OF MATERIALS AS ADHESIVES
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Summary:This disclosure relates to a linear polymer obtained by reacting a polyethylene glycol, a polypropylene glycol; a diol; and a diisocyanate, as well as a controlled release composition containing the linear polymer together with an active agent. The active agent can have a molecular weight of 200 g/mol to 20,000 g/mol.
Bibliography:Application Number: US201213605689