C - Chemistry – Metallurgy – 11 – D
Patent
C - Chemistry, Metallurgy
11
D
134/5.4
C11D 3/395 (2006.01)
Patent
CA 1217108
ABSTRACT Detergent liquors, and compositions for their production, are provided in which acetylated aldohexopyranoses and -pyranosides are employed as peroxybleach precursors in combination with inorganic perhydrate salts, there being at least about 8.5 millimoles of perhydrate present in the detergent liquor and the molar ratio of perhydrate to aldohexopyranose or -pyranoside being ? about 12:1 and the liquor starting pH being > about 9.5, whereby ? 50% of the available acetyl groups are perhydrolysed.
440064
Addison Michael C.
Bell John G.
Hardy Frederick E.
Gowling Lafleur Henderson Llp
The Procter & Gamble Company
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