发明授权
- 专利标题: Laundry process with enhanced ink soil removal
- 专利标题(中): 洗衣过程与增强墨水去除
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申请号: US09435933申请日: 1999-11-09
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公开(公告)号: US06290732B1公开(公告)日: 2001-09-18
- 发明人: Robert D. P. Hei , Kim R. Smith , Wendy Wiseth
- 申请人: Robert D. P. Hei , Kim R. Smith , Wendy Wiseth
- 主分类号: D06L102
- IPC分类号: D06L102
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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