EP 0651053 A1 19950503 - Laundry detergent compositions.
Title (en)
Laundry detergent compositions.
Title (de)
Detergenszusammensetzungen für Wäsche.
Title (fr)
Composition détergente pour le linge.
Publication
Application
Priority
EP 93308802 A 19931103
Abstract (en)
There is provided a particulate solid laundry detergent composition containing alkali metal percarbonate bleach coated with a mixed salt comprising an alkali metal carbonate and an alkali metal sulphate salt; a peroxyacid bleach precursor; an acidification agent; and a means for enabling delayed release of said acidification agent such that the pH of said composition as a 1% solution in water at 20<o>C is from 9.5 to 13.0 prior to release of said acidification agent, and such that the pH of said composition as a 1% solution in water at 20<o>C is from 9.3 to 7.0 subsequent to complete release of said acidification agent.
IPC 1-7
IPC 8 full level
C11D 3/02 (2006.01); C11D 3/10 (2006.01); C11D 3/20 (2006.01); C11D 3/37 (2006.01); C11D 3/39 (2006.01); C11D 17/00 (2006.01)
CPC (source: EP)
C11D 3/046 (2013.01); C11D 3/10 (2013.01); C11D 3/2075 (2013.01); C11D 3/2082 (2013.01); C11D 3/2086 (2013.01); C11D 3/3907 (2013.01); C11D 3/3942 (2013.01); C11D 17/0039 (2013.01)
Citation (search report)
- [Y] US 3042621 A 19620703 - GEORGE KIRSCHENBAUER HANS
- [DY] EP 0396287 A2 19901107 - CLOROX CO [US]
- [Y] US 4105827 A 19780808 - BRICHARD JEAN, et al & GB 1466799 A 19770309 - INTEROX
- [A] FR 2180864 A1 19731130 - PROCTER & GAMBLE [US]
- [A] FR 2323631 A1 19770408 - UGINE KUHLMANN [FR]
- [DA] EP 0290081 A1 19881109 - UNILEVER NV [NL], et al
Designated contracting state (EPC)
AT BE CH DE DK ES FR GB GR IE IT LI LU NL PT SE
DOCDB simple family (publication)
EP 0651053 A1 19950503; AU 8125494 A 19950523; WO 9512658 A1 19950511
DOCDB simple family (application)
EP 93308802 A 19931103; AU 8125494 A 19941021; US 9412247 W 19941021