Invention Grant
- Patent Title: Depolymerization process
- Patent Title (中): 解聚过程
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Application No.: US10533432Application Date: 2003-11-06
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Publication No.: US07696378B2Publication Date: 2010-04-13
- Inventor: Masaru Hidaka , Takaharu Nakagawa , Toyoyuki Urabe , Tetsuya Maekawa , Hiroyuki Yoshida
- Applicant: Masaru Hidaka , Takaharu Nakagawa , Toyoyuki Urabe , Tetsuya Maekawa , Hiroyuki Yoshida
- Applicant Address: JP Kadoma-shi
- Assignee: Panasonic Electric Works Co., Ltd.
- Current Assignee: Panasonic Electric Works Co., Ltd.
- Current Assignee Address: JP Kadoma-shi
- Agency: Oblon, Spivak, McClelland, Maier & Neustadt, L.L.P.
- Priority: JP2002-324398 20021107; JP2003-281994 20030729
- International Application: PCT/JP03/14136 WO 20031106
- International Announcement: WO2004/041917 WO 20040521
- Main IPC: C07C51/00
- IPC: C07C51/00 ; C08F6/00
Abstract:
The present invention relates to a process for decomposing a polymer into a monomer or oligomer by hydrolysis with sub- or supercritical water. The process of the present invention is characterized in that at least a part of the polymer is a polymer comprising a constitutional unit derived from an organic acid in the molecular structure, and the polymer being contacted with sub- or supercritical water in the presence of a water-insoluble base.
Public/Granted literature
- US20060247465A1 Depolymerization process Public/Granted day:2006-11-02
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