Patent ID: 11896733
Assignee: 3M INNOVATIVE PROPERTIES COMPANY
Field: Pharmaceuticals (Chemistry)
Classification: CPC A | IPC A

Claim 18:
19. A wound dressing, comprising:
a porous polyurethane material; and
a composition comprising a sacrificial proteolytic enzyme substrate and a lipoic acid derivative, the composition provided on at least a portion of the porous polyurethane material;
wherein the lipoic acid derivative is a dihydrolipoic acid comprising the structure:, wherein n1 and n2 are, independently, C1-C10 alkyl;
R1 is H, C1-C10 alkyl, C6-C14 aryl, an alkyl ammonium or a protonated amino acid; and
R2 is H, C1-C10 alkyl or C6-C14 aryl.