Process for washing textiles in an automatic washing machine, working substances and apparatus for its performance

US4110075A · kind A · utility

Assignees

• Bosch-Siemens Hausgeraete GmbH
• Chemische Werke Huels, A.G. · DE

Inventors

• Richard Graf · Berlin, DE
• Lieselotte Brodzina · Berlin, DE
• Rudolf Strobele
• Helmut Stache · Marl, DE

Key dates

• Filing date: Dec 6, 1976
• Grant date: Aug 29, 1978
• Expiry date: Dec 6, 1996

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C11D2111/44
• WIPO field: Chemical engineering
• WIPO sector: Chemistry

Abstract

Washing process for textiles in an automatic washing machine, with application of active washing substances, structural substances and bleaching agents, involving loading of the textiles in the washing machine, adding water, agitating the textiles in the washing solution, pumping off the washing solution, and sequential rinse cycles, wherein the following active substances or combination of active substances are maintained in pumpable form in separate containers and added to the mixture in pumpable form before or during the washing process: 1. Active washing substances, 2. Structural substances, 3. A stabilized bleaching agent, if required, 4. A catalyst which accelerates the bleaching process, if required, and 5. A soft rinse agent, if required. After loading of the textiles to be laundered, the water is added in the ratio of 1:4 to 1:30 of kg. dry textile to liters water, 0.5 to 3.5 g of active washing substances per liter washing mixture are added, 2 to 6.5 g structural substances per liter washing mixture are added, washing carried out at a predetermined temperature with agitation for a period up to 50 minutes, the washing solution drained off and the washed textile subjected t…