Woodhams, Blanchard and Flynn
Foaming bleaching composition
 A bleaching composition is disclosed characterized by containing (a) sodium percarbonate which has been heated at a temperature of 75.degree. to 135.degree. C for a time ranging from 5 to 30 minutes at 135.degree. C to 2 to 6 hours at 75.degree. C and (b) an activating agent for the sodium percarbonate. 
Kao Soap Co., Ltd.
C C C
C11D C11D C01B
inventional inventional inventional
Masaaki Koitsu Yunosuke
Nishimura Sato Nakagawa