Global Patent Index - EP 2441825 A1

EP 2441825 A1 20120418 - Process for preparing laundry detergent particles

Title (en)

Process for preparing laundry detergent particles

Title (de)

Herstellungsverfahren für Waschmittelpartikel

Title (fr)

Procédé pour la préparation de particules de détergent pour le lavage du linge

Publication

EP 2441825 A1 20120418 (EN)

Application

EP 10187521 A 20101014

Priority

EP 10187521 A 20101014

Abstract (en)

A process for the preparation of a coated detergent particle having perpendicular dimensions x, y and z, wherein x is from 1 to 2 mm, y is from 2 to 8 mm, and z is from 2 to 8 mm, wherein the process comprises the following steps: (i) roller compacting from 40 to 90 wt % of a surfactant selected from: anionic surfactant and non-ionic surfactant, wherein the surfactant has a hardness from 1 MPa to 100 MPa when compacting and the roller compacter having a void commensurate with the size of the particle before coating; (ii) coating the roller compacted material with from 1 to 40 wt % of water soluble inorganic salts in the form of an aqueous solution; and, (iii) removing water from the product of step (ii) by application of a aeration process selected from: a fluidized bed and a drum.

IPC 8 full level

C11D 11/00 (2006.01); C11D 17/00 (2006.01); C11D 17/06 (2006.01)

CPC (source: EP)

C11D 11/0082 (2013.01); C11D 17/0039 (2013.01); C11D 17/06 (2013.01)

Citation (applicant)

Citation (search report)

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)

EP 2441825 A1 20120418

DOCDB simple family (application)

EP 10187521 A 20101014