发明授权
- 专利标题： Biodegradable ether dry cleaning solvent
- 专利标题（中）： 可生物降解的乙醚干洗溶剂
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申请号： US09874136申请日： 2001-06-05
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公开(公告)号： US06350287B1公开(公告)日： 2002-02-26
- 发明人: William A. Hayday
- 申请人： William A. Hayday
- 主分类号： D06L104
- IPC分类号： D06L104
摘要：
A method for dry-cleaning garments which comprises treating the garments with a mixture of dipropylene glycol tertiary-butyl ether (DPTB) and water for a period of time sufficient to effect dry-cleaning, wherein the weight ratio of DPTB to water is at least 9:1.