Patent · US Expired

Anti-microbial silicone rubber composition and method for making same

US6822034B2 · kind B2 · utility

13Cited by

7References

14Claims

0Family size

Inventors

Bernhard Hanke · Bensheim, DE
Tim Bast · Södra Sandby, SE

Key dates

Filing date	Dec 14, 2001
Grant date	Nov 23, 2004
Priority date	—
Expiry date	Dec 14, 2021

Classification

Technology area (CPC A)Human Necessities
CPC primaryA61L2300/624
WIPO fieldPharmaceuticals
WIPO sectorChemistry

Abstract

An anti-microbial, curable silicone rubber composition and method for making same, comprising in at least a portion of the exposed surface of said composition an organic matrix containing homogeneously dispersed particles of metallic silver having a particle size in the range of 1 to 50 nm (silver nanoparticles) in an amount providing on the surface of said composition an anti-microbially effective but less than cytotoxic silver concentration.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.