Two component cleaner and disinfectant tablet

US4578207A · kind A · utility

Assignee

• Henkel Kommanditgesellschaft auf Aktien · DE

Inventors

• Bernd-Dieter Holdt · Goldkronach, DE
• Ronald Menke · Mettmann, DE
• Gerd Praus · Krefeld, DE
• Petra Hasselbach · Düsseldorf, DE

Key dates

• Filing date: Dec 14, 1983
• Grant date: Mar 25, 1986
• Expiry date: Dec 14, 2003

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C11D1/523
• WIPO field: Basic materials chemistry
• WIPO sector: Chemistry

Abstract

A two component tablet for cleaning and disinfecting toilet flush tanks which adhere to the tank and will not be washed away and/or decomposed comprising extruded component A consisting essentially of (a) 25 to 50% by weight of an alkylbenzene sulfonate, (b) 0 to 40% by weight of inorganic alkali metal salts, (c) 0 to 10% by weight of at least one plasticizer, (d) 5 to 20% by weight of at least one disintegration rate regulator selected from the group consisting of fatty acid ethanolamides, fatty acid diethanolamides and stearic acid, (e) 0 to 50% of a chlorine releasing compound or acid and (f) 0 to 30% by weight of a complexing agent with the sum of (e) and (f) being greater than 5% and component B consisting essentially of (a') 30 to 55% by weight of an alkylbenzene sulfonate (b') 15 to 45% by weight of inorganic alkali metal salts, (c') 0 to 10% by weight of at least one plasticizer, (d') 10 to 15% by weight of at least one disintegration rate regulator selected from the group consisting of fatty acid ethanolamides, fatty acid diethanolamides and stearic acid, (e') 1 to 10% by weight of perfume and (f') 5 to 15% by weight of dye, the sum of (c') and (e') being not greater than …