Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
October 17, 2006
Patent Application Number
10201459
Date Filed
July 23, 2002
Patent Primary Examiner
Patent abstract
Process for the preparation of bleach activator granules, which comprises extruding a mixture comprising bleach activator, anionic or nonionic surfactant and polyalkylene glycol at temperatures of from 40 to 120° C. and a pressure of from 5 to 30 bar, and granulating the resultant extrudates at a temperature of from 40 to 120° C. on a spheronizer.
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