Invention Grant
- Patent Title: Decolorization of polyols
- Patent Title (中): 多元醇脱色
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Application No.: US13513078Application Date: 2010-11-15
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Publication No.: US08519172B2Publication Date: 2013-08-27
- Inventor: David A. Babb , Matthias Schaefer
- Applicant: David A. Babb , Matthias Schaefer
- Applicant Address: US MI Midland
- Assignee: Dow Global Technologies LLC
- Current Assignee: Dow Global Technologies LLC
- Current Assignee Address: US MI Midland
- Agency: Whyte Hirschboeck Dudek S.C.
- International Application: PCT/US2010/056672 WO 20101115
- International Announcement: WO2011/068664 WO 20110609
- Main IPC: C07C51/43
- IPC: C07C51/43

Abstract:
Natural oil-based polyols that are high in color, e.g., >40 APHA, are decolorized when exposed to high frequency visible light and/or low frequency UV light, with or without the combination of heat and/or air exposure.
Public/Granted literature
- US20120238769A1 Decolorization of Polyols Public/Granted day:2012-09-20
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