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Patent Searching and Data


Title:
METHOD OF PRODUCING LONG-CHAIN DICARBOXYLIC ACID
Document Type and Number:
Japanese Patent JP2013136549
Kind Code:
A
Abstract:

To provide a new long-chain dicarboxylic acid, wherein when the dicarboxylic acid is dissolved in a solvent, a clear and colorless solution can be obtained; and to provide a method of producing the long-chain dicarboxylic acid.

A clear and colorless solution can be obtained when a long-chain dicarboxylic acid is dissolved in a solvent. A method of producing the long-chain dicarboxylic acid includes extracting and removing a coloring component contained in a roughly purified long-chain dicarboxylic acid by using an amphipathic organic solvent. The long-chain dicarboxylic acid is produced by using the method.


Inventors:
Senba, Takashi
Nomura, Tadayoshi
Nakanosho, Masahiro
Baba, Hideyuki
Application Number:
JP2011000289301
Publication Date:
July 11, 2013
Filing Date:
December 28, 2011
Export Citation:
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Assignee:
NIPPON SHOKUBAI CO LTD
International Classes:
C07C51/48; C07C51/43; C07C55/21; C12P7/64; C12R1/74
Attorney, Agent or Firm:
平木 祐輔
藤田 節
大木 信人