Global Patent Index - EP 0469847 A2

EP 0469847 A2 19920205 - Dishwasher detergent composition.

Title (en)

Dishwasher detergent composition.

Title (de)

Waschmittelzusammensetzung für Geschirrspülmaschinen.

Title (fr)

Composition détergente pour le lavage de la vaisselle en machine.

Publication

EP 0469847 A2 19920205 (EN)

Application

EP 91306960 A 19910730

Priority

US 56106090 A 19900801

Abstract (en)

A liquid dishwasher detergent emulsion provided by this invention has high alkalinity, high levels of sequestrant and high temperature stability. The detergent emulsion comprises: i) 4 to 25% w/w of an alkali metal hydroxide suitable for use in a dishwasher; ii) 0.2 to 5% w/w of a low foaming free non-ionic surfactant; iii) 0.5 to 3% w/w of a polyacrylic acid suitable for enhancing sheeting action on non-porous surfaces; iv) 15 to 30% w/w of a potassium polyphosphate sequestering composition enriched in tripolyphosphate and comprising minimal amounts of ortho and long forms of polyphosphates to facilitate thereby solubility of said potassium polyphosphate in water; v) 2 to 6% w/w of a polymeric emulsion stabilizer for said free nonionic surfactant, the polymeric emulsion stabilizer being a chemically associated polycarboxylic acid polymer and a nonionic surfactant formed by polymerization of said nonionic surfactant with a polymerizable reactant selected from the group consisting of acrylic acid, polyacrylic acid, copolymers of acrylic acid and an ethylenically unsaturated polycarboxylic acid or an anhydride thereof, copolymers of ethylenically unsaturated polycarboxylic acid or anhydride thereof with a non-carboxy containing ethylenically unsaturated monomer, said nonionic surfactant and said reactant being polymerized in an aqueous media; vi) 0 to 15% w/w of a sequestering agent to enhance hard water sequestering characteristics of said potassium polyphosphate; and vii) water to make up the balance of composition to 100% w/w.

IPC 1-7

C11D 1/72; C11D 3/06; C11D 3/12; C11D 3/37

IPC 8 full level

C11D 1/72 (2006.01); C11D 3/37 (2006.01); C11D 7/06 (2006.01); C11D 7/16 (2006.01); C11D 7/26 (2006.01); C11D 17/00 (2006.01)

CPC (source: EP)

C11D 1/72 (2013.01); C11D 3/3707 (2013.01); C11D 3/3765 (2013.01)

Designated contracting state (EPC)

AT BE CH DE DK ES FR GB GR IT LI LU NL SE

DOCDB simple family (publication)

EP 0469847 A2 19920205; EP 0469847 A3 19930120; AU 647497 B2 19940324; AU 8048691 A 19920206; BR 9103350 A 19920505; CA 2046973 A1 19920202; CA 2046973 C 19960102; JP H06166899 A 19940614

DOCDB simple family (application)

EP 91306960 A 19910730; AU 8048691 A 19910717; BR 9103350 A 19910731; CA 2046973 A 19910712; JP 21303991 A 19910731