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Title:
POLYLACTIC ACID DECOMPOSITION METHOD
Document Type and Number:
WIPO Patent Application WO/2012/001784
Kind Code:
A1
Abstract:
Disclosed is a polylactic acid decomposition method which can decompose polylactic acid with high efficiency so that the polylactic acid can readily undergo the decomposition by a biological treatment such as methane fermentation. Specifically disclosed is a polylactic acid decomposition method involving a step of impregnating an organic material containing polylactic acid with a treatment solution containing an organic acid salt and/or an inorganic acid salt of an amine compound.

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Inventors:
TSUBOTA JUN (JP)
Application Number:
PCT/JP2010/061182
Publication Date:
January 05, 2012
Filing Date:
June 30, 2010
Export Citation:
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Assignee:
OSAKA GAS CO LTD (JP)
TSUBOTA JUN (JP)
International Classes:
C08J11/28; B01D3/00; B09B3/00
Foreign References:
JP2009154125A2009-07-16
JP2005232336A2005-09-02
JP2003221461A2003-08-05
JPH09111036A1997-04-28
JP2006205017A2006-08-10
JP2005206735A2005-08-04
JP2005232336A2005-09-02
Other References:
See also references of EP 2589621A4
Attorney, Agent or Firm:
SAEGUSA & PARTNERS (JP)
Patent business corporation 3 Edakuni [Hajime] patent firm (JP)
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Claims:



 
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