Drug dispensing wound dressing

Details Drug dispensing wound dressing Drug dispensing wound dressing

1984-11-13

1986-09-30

Kight, John

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

From reactant having at least one -n=c=x group as well as...

522 6, 522 44, 522 46, 604304, 604372, 424 28, 424 32, C08G 1810, A61F 1300

Patent

active

046147870

ABSTRACT:
The disclosed wound dressings have a drug dispersed throughout a polyurethane matrix that is the reaction product of: (A) An isocyante terminated prepolymer formed by reaction of isophorone diisocyanate and a macroglycol and (B) a monomer containing hydroxyl and vinyl groups. The reaction product is a vinyl terminated polyurethane oligomer which is liquid at room temperature and which may be readily admixed with a pharmacoactive substance and a photosensitizer, formed into a film and cured by exposure to UV light without release of heat.
In the most preferred embodiments the foregoing oligomer is codissolved in an organic solvent with a polyurethane polymer which is the reaction product of:

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