Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Mai Kitahara0
Toru Sawaki0
Tetsuo Ban0
Masumi Hirata0
Date of Patent
September 8, 2009
0Patent Application Number
105889010
Date Filed
February 8, 2005
0Patent Primary Examiner
Patent abstract
A method of decomposing a polycarbonate with water in a supercritical or subcritical state. A high-purity dihydroxy compound which is a constituent component of the polycarbonate can be recovered at a high yield by this decomposition method. This decomposition method is environment-friendly because it does not use an organic solvent, easy to be carried out, has a high decomposition rate and rarely causes a side reaction.
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