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Kao Patents



Published April 11, 2006
Related Searches: Surfactant patent Detergent acid
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Patent No. US 6,992,055 B1: The process for preparing detergent compositions having high bulk density has been assigned to Kao Corporation, Tokyo, Japan. The method for producing detergent granules comprises dry-neutralizing a liquid acid precursor of a non-soap, anionic surfactant prepared by an SO3 gas sulfonation method, with a water-soluble, solid, alkali inorganic substance.


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