Compact cleaner containing surfactants

US6331518A · kind A · utility

Assignee

• Henkel Ecolab GmbH & Co. OHG · DE

Inventors

• Dieter Hemm · Hilden, DE
• Guenter Hellmann · Hilden, DE

Key dates

• Filing date: Mar 24, 1999
• Grant date: Dec 18, 2001
• Expiry date: Mar 24, 2019

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C11D17/0065
• WIPO field: Basic materials chemistry
• WIPO sector: Chemistry

Abstract

A water-containing solid detergent having a delayed, controllable and variable hardening time after addition of all the components produced by providing PA1 a) aqueous 42 to 55% lye, in a quantity of 21 to 70% by weight, PA1 b) mixing with the aqueous lye a compound selected from the group corresponding to formula (I): EQU HOCH.sub.2 CH(R.sup.1)OR.sup.2 (I) in which R.sup.1 is a hydrogen atom or a methyl group and R.sup.2, independent of R.sup.1, is a hydrogen atom, a C.sub.1-4 alkyl group, a group CH.sub.2 CH(R.sup.3)0R.sup.4 or a group CH.sub.2 CH(R.sup.5)OCH.sub.2 --CH(R.sup.6)OR.sup.7, where R.sup.3, R.sup.5, and R.sup.6 represent hydrogen atoms or methyl groups and R.sup.4 and R.sup.7 represent hydrogen atoms or C.sub.1-4 alkyl groups, and compounds corresponding to formula II: EQU [HOCH.sub.2 CH(R.sup.8).sub.3-x NH.sub.x (II) in which R.sup.8 is a hydrogen atom or a methyl group and x is the number 0, 1 or 2, in a total quantity of 0.5 to 40% by weight, adding thereto PA1 c) a foam inhibitor, builder component, paraffin oil, or surfactants, or polyhydroxy compounds in the order given, and finally adding thereto PA1 d) 2% to 25% by weight of solid alkali metal hydroxide, all w…