Drug dispensing wound dressing

Details Drug dispensing wound dressing Drug dispensing wound dressing

1988-07-25

1989-07-18

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, 424411, 424 78, 252381, 252387, 252397, 427 2, 4273899, 428254, 428354, 512 4, 523102, C08G 1810, C08G 1830, A61F 1300, A61L 100, A01N 2510, B05D 302, B32B 700, C09J 702

Patent

active

RE0329916

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 marcoglycol 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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