EP 2031046 A2 20090304 - White powder
Title (en)
White powder
Title (de)
Weißes Pulver
Title (fr)
Poudre blanche
Publication
Application
Priority
IN 1660MU2007 A 20070830
Abstract (en)
The present invention provides a product and method of whitening the appearance of a detergent powder formulation, especially when incorporating more yellow linear alkyl benzene sulphonates. The formulation comprises (a) from 4 to 50 wt.% of a linear alkyl benzene sulphonate, wherein the optical absorption of a 3.5 g/l solution of the linear alkyl benzene sulphonate at 400 nm in water in a 5 cm cell is between 0.005 to 0.2; (b) from 0 to 0.5 wt.% of fluorescer (c) from 0.00001 to 0.0007 wt.% of a colourant that is a blue pigment or a blue dye.
IPC 8 full level
C11D 1/22 (2006.01); C11D 3/40 (2006.01); C11D 3/42 (2006.01)
CPC (source: EP)
C11D 1/22 (2013.01); C11D 3/40 (2013.01); C11D 3/42 (2013.01)
Designated contracting state (EPC)
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC MT NL PL PT RO SE SI SK TR
Designated extension state (EPC)
AL BA HR MK RS
DOCDB simple family (publication)
DOCDB simple family (application)
EP 07119472 A 20071029