Cleaning compositions for solid surfaces – auxiliary compositions – Cleaning compositions or processes of preparing – For cleaning a specific substrate or removing a specific...
Patent
1997-08-04
1999-09-21
Gupta, Yogendra
Cleaning compositions for solid surfaces, auxiliary compositions
Cleaning compositions or processes of preparing
For cleaning a specific substrate or removing a specific...
510303, 510309, 510321, 510376, 510475, 510499, C11D 337, C11D 3395
Patent
active
059554150
ABSTRACT:
Detergent compositions, essentially free of chlorine bleach compounds, containing a surfactant, builder, enzyme, peroxygen bleach and from about 0.001% to about 5% by weight polyethyleneimine (PEI) or salts thereof are disclosed. These compositions exhibit controlled and improved bleaching action on stains as well as improved storage stability, fabric safety and whitening/brightening characteristics.
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Fishman, "A Look at PEI", Happi Household and Personal Products,, p. 42, Mar. 1996.
Gutierrez Eddie
Racherla Uday
Vermeer Robert
Wu Shang-Ren
Gilbert, Esq. Neil Y.
Gupta Yogendra
Lever Brothers Company Division of Conopco, Inc.
Webb Gregory E.
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