发明授权
US06171346B2 Dual-step stain removal process 失效
双步除斑过程

Dual-step stain removal process
摘要:
Stained areas (2) of fabric are separately treated with a non-aqueous cleaning composition, followed by an aqueous cleaning composition, and by using a hand-held device (1) which is rocked back and forth on said stained areas (2). The fabric (3) is then placed in a bag or other container, together with a sheet substrate releasably containing an aqueous cleaning composition. The bag is tumbled in a hot air clothes dryer to clean and refresh the entire fabric (3).
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