Patent ID: 6969765
Filing Date: 2005-11-29
Classification: A61K,A61P,C07D

Abstract:
1. A photosensitizer comprising chlorin as salt with alkali metal, characterized in that chlorin is composed of chlorin e 6 (13-carboxy-17-[2-carboxyethyl]-15-carboxymethyl-17,18-trans-dihydro-3-vinyl-8-ethyl-2,7,12,18-tetramethylporphyrin) making up 80-90%, purpurin 5 (13-carboxy-17-[2-carboxyethyl]-15-formyl-17,18-trans-dihydro-3-vinyl-8-ethyl-2,7,12,18-tetramethylporphyrin) making up 5-20%, and purpurin 18-chlorin p 6 (13-carboxy-17-[2-carboxyethyl]-15-carboxy-17,18-trans-dihydro-3-vinyl-8-ethyl-2,7,12,18-tetramethylporphyrin) making up the rest, so that the mentioned components form the composition.