US 2001/0025019 A1Published application

Bleaching composition

AssigneeUnilever Home & Personal Care USA, Division of Conopco, Inc.

InventorsDirk Johannes Bijl, Ronald Hage, Jan Kevelam, Jean Hypolites Koek, Dennis Stephen Murphy, Irene Erica Smit, Johannes J. Verhagen, Pieter van der Vlist

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Abstract

A bleaching composition is provided for effective bleaching with a bleach catalyst at low temperatures. The bleaching composition comprises of a) from 0.05 microM to 50 mM of an organic substance which forms a complex with a transition metal; b) a source of active oxygen corresponding to 0.05 to 100 mM of active oxygen; and c) an effective amount of liquid carbon dioxide.

Claims28

Dependent claims

A bleaching composition comprising:

a) from 0.05 microM to 50 mM of an organic substance which forms a complex with a transition metal having a log P of less than 3;
b) a source of active oxygen corresponding to 0.05 to 100 mM (w/v) of active oxygen;
and
c) an effective amount of liquid carbon dioxide.

1 more element

Dependencies are inferred from the claim text.

Facts

Application: 09/741,392Filed 20 Dec 2000
Priority: EP 99204516.123 Dec 1999
Published: 27 Sep 2001
Term ends: Not estimatedThe source records don’t support an estimate.

Classification8 codes

C11D 3/3947
Organic or inorganic per-compounds: liquid compositions
C11D 1/82
Non-ionic compounds: compounds containing silicon
C11D 3/168
Organic compounds: organometallic compounds or orgometallic complexes
C11D 3/3932
Bleach activators or bleach catalysts: inorganic compounds or complexes

Family

US 6,479,447 B2Related patent
US 2001/0025019 A1This patent

From the US filing history. Foreign family members aren’t listed.

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