Invention Grant
- Patent Title: Dry cleaning process comprising a dry cleaning step and a regeneration step
- Patent Title (中): 干洗方法包括干洗步骤和再生步骤
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Application No.: US10278308Application Date: 2002-10-23
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Publication No.: US06900166B2Publication Date: 2005-05-31
- Inventor: Joop Evers , Machiel Goedhart , Fred Kerpels , Cornelis Gerhard Kralingen van , Pieter Everhardus Overdevest , Hank Robert Reinhoudt , Karin Vrieswijk
- Applicant: Joop Evers , Machiel Goedhart , Fred Kerpels , Cornelis Gerhard Kralingen van , Pieter Everhardus Overdevest , Hank Robert Reinhoudt , Karin Vrieswijk
- Applicant Address: US CT Greenwich
- Assignee: Unilever Home & Personal Care USA, division of Conopco, Inc.
- Current Assignee: Unilever Home & Personal Care USA, division of Conopco, Inc.
- Current Assignee Address: US CT Greenwich
- Agent Ronald A. Koatz
- Priority: EP01204114 20011026
- Main IPC: D06L1/04
- IPC: D06L1/04 ; D06L1/22 ; C11D3/44
Abstract:
A process for dry cleaning laundry articles comprising at least one dry cleaning step followed by at least one regeneration step wherein said regeneration step comprises contacting the articles with a regeneration composition comprising 0 to 10 wt. % of a surfactant; 0.001 to 10 wt. % of water; 0 to 50 wt. % of a cosolvent and the balance being organic dry cleaning solvent, preferably a non-flammable, non-chlorine containing organic dry cleaning solvent, wherein the regeneration composition comprises an aqueous phase having a pH of at least 5.
Public/Granted literature
- US20030087782A1 Dry cleaning process Public/Granted day:2003-05-08
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