EP 1188820 B1 20040512 - Shaped detergent bodies with a polyurethane coating
Title (en)
Shaped detergent bodies with a polyurethane coating
Title (de)
Wasch- und Reinigungsmittelformkörper mit Polyurethan-Beschichtung
Title (fr)
Pièces détergentes avec un revêtement de polyuréthane
Publication
Application
Priority
DE 10045267 A 20000913
Abstract (en)
[origin: EP1188820A1] Detergent tablets with a polyurethane coating based on di-isocyanates and diols which consist at least partly of polyethylene glycols and/or polypropylene glycols with 5-20000 alkylene oxide units. Washing or cleaning (detergent) tablets comprising compressed detergent particles containing builders and optionally other components are provided with a coating containing polyurethanes derived from diisocyanates of formula (I) and diols of formula (II) which consist at least partly of polyethylene glycols (IIa) and/or polypropylene glycols (IIb). R<1>,R<2> = optionally substituted, linear or branched 1-24C alkyl(ene), aryl(ene) or alkylaryl(ene); and n = 5-2000. An Independent claim is also included for a method for the production of these tablets by compressing particles of a detergent composition and then coating the tablets by immersion in or spraying with a melt, solution or dispersion of polyurethane(s) as described above.
IPC 1-7
IPC 8 full level
C11D 3/37 (2006.01); C11D 11/00 (2006.01); C11D 17/00 (2006.01)
CPC (source: EP)
C11D 3/3726 (2013.01); C11D 17/0082 (2013.01)
Designated contracting state (EPC)
AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR
DOCDB simple family (publication)
EP 1188820 A1 20020320; EP 1188820 B1 20040512; AT E266718 T1 20040515; DE 10045267 A1 20020328; DE 10045267 B4 20060413; DE 50102248 D1 20040617
DOCDB simple family (application)
EP 01121218 A 20010905; AT 01121218 T 20010905; DE 10045267 A 20000913; DE 50102248 T 20010905