Patent ID: 9622471
Date: 2017-04-18
CPC Classifications: A01N,A61L

Claim:
1. A medical product, comprising: a) a medical product comprising a surface; b) a biocide layer covering the surface, said biocide layer having a biocidal active agent in the form of single particles, chains of particles, or both, and c) a transport control layer covering the biocide layer, having a thickness and porosity adjusted to release an antimicrobial and non-cytotoxic quantity of the biocidal active agent out of the biocide layer and through the transport control layer, wherein the transport control layer is a plasma polymer layer and/or a sputter-applied layer and wherein the transport control layer has a silicon content of 20 to 60%, a carbon content between 10 and 30% and an oxygen content of 30 to 50%, wherein the transport control layer is hydrophilic, wherein the particles of the single particles or chains of particles have a mean particle size of 5-100 nm.