EP 0971028 A1 20000112 - Detergent tablet with high dissolution and mechanical characteristics
Title (en)
Detergent tablet with high dissolution and mechanical characteristics
Title (de)
Waschmitteltablette mit hoher Löslichkeit und verbesserten mechanischen Eigenschaften
Title (fr)
Comprimé détergent à caractéristiques de dissolution et mécaniques améliorées
Publication
Application
Priority
EP 98870152 A 19980710
Abstract (en)
The present invention relates to a tablet formed by compressing a particulate material, the particulate material comprising a surfactant and a hydrotrope compound, the hydrotrope compound having a cohesive effect on the particulate material. In a further aspect of the invention there is provided a tablet for preparing an aqueous solution of a laundry detergent having a tensile strength of at least 15 kPa, the tablet giving less than 40% per weight residue in the dispenser at the end of the water supply cycle under dispensing test, the dispensing test consisting of two tablets, each tablet weighing 50g, being placed in the dispenser of a Baucknecht TM WA9850 washing machine, the water supply to the washing machine being set at a temperature of 20 DEG C and a hardness of 21 grains per gallon, the dispenser water inlet flow rate being set to 8 l/min, the machine being set to program 4 (white/colors, short cycle) and switched on.
IPC 1-7
IPC 8 full level
C11D 1/72 (2006.01); C11D 1/722 (2006.01); C11D 3/20 (2006.01); C11D 3/34 (2006.01); C11D 3/37 (2006.01); C11D 17/00 (2006.01)
CPC (source: EP)
C11D 1/72 (2013.01); C11D 1/722 (2013.01); C11D 3/2075 (2013.01); C11D 3/3418 (2013.01); C11D 3/3746 (2013.01); C11D 17/0073 (2013.01)
Citation (search report)
- [XA] GB 1077067 A 19670726 - UNILEVER LTD
- [A] WO 9315180 A1 19930805 - HENKEL KGAA [DE]
- [A] DE 19611013 A1 19970925 - HENKEL KGAA [DE]
- [A] EP 0846756 A1 19980610 - PROCTER & GAMBLE [US]
- [A] EP 0225658 A1 19870616 - AKZO NV [NL]
- [XA] DATABASE WPI Section Ch Week 9601, Derwent World Patents Index; Class D25, AN 96-007117, XP002005055
Designated contracting state (EPC)
AT BE CH DE DK ES FI FR GB GR IE IT LI LU NL PT SE
DOCDB simple family (publication)
EP 0971028 A1 20000112; AR 019760 A1 20020313; MA 24923 A1 20000401
DOCDB simple family (application)
EP 98870152 A 19980710; AR P990103364 A 19990712; MA 25672 A 19990712