发明授权
US06290732B1 Laundry process with enhanced ink soil removal 有权
洗衣过程与​​增强墨水去除

Laundry process with enhanced ink soil removal
摘要:
An improved process for removing ink soil from porous substrates, preferably from woven fabrics which include cellulosic materials such as cotton towels is described herein. The process includes an initial contacting step with an alkyl fatty acid ester, a wash step with a conventional detergent and a final water rinse step. A chelating agent is used during one of the first two steps or, alternatively, between the first two steps.
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