PREPARATIONS CONTAINING N-(2-FURFURYL)-4-CHLORO-5-SULFAMOYL-ANTHRANILIC ACID AND PROCESS FOR THEIR MANUFACTURE

摘要

of the disclosure: A preparation of N-(2-furfuryl)-4-chloro-5-sulfamoyl-anthranilic acid having a slightly retarded release, wherein the release of the active substance in vitro, measured in the flow-through-cell according to Dibbern, is not more than 5 % after 1 hour in a buffer solution of pH 1.5 and about 10 to at most 25 % of the active substance content after a two-hour treatment in a buffer solution of pH 5.5 and process for ? ? manufacture.