EP 3546554 A1 20191002 - SPRAY-DRYING PROCESS
Title (en)
SPRAY-DRYING PROCESS
Title (de)
SPRÜHTROCKENVERFAHREN
Title (fr)
PROCÉDÉ DE SÉCHAGE PAR ATOMISATION
Publication
Application
Priority
EP 18164666 A 20180328
Abstract (en)
The present invention relates to a spray-drying process for preparing a spray-dried laundry detergent particle comprising detersive surfactant and magnesium sulphate salt, wherein the process comprises the steps of: (a) contacting magnesium sulphate to water to form a first mixture; (b) contacting detersive surfactant to the first mixture to form a second mixture; and (c) spray-drying the second mixture to form a spray-dried laundry detergent particle, wherein step (a) is carried out in the absence of detersive surfactant.
IPC 8 full level
C11D 3/04 (2006.01); C11D 11/00 (2006.01); C11D 11/02 (2006.01); C11D 17/06 (2006.01)
CPC (source: EP)
C11D 3/046 (2013.01); C11D 11/0082 (2013.01); C11D 11/02 (2013.01); C11D 17/06 (2013.01)
Citation (applicant)
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Citation (search report)
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Designated contracting state (EPC)
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated extension state (EPC)
BA ME
DOCDB simple family (publication)
DOCDB simple family (application)
EP 18164666 A 20180328; US 2019022691 W 20190318