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Patent Searching and Data


Title:
METHOD FOR PRODUCING AQUEOUS α-SULFO FATTY ACID ALKYL ESTER SALT SOLUTION
Document Type and Number:
WIPO Patent Application WO/2010/058599
Kind Code:
A1
Abstract:
Provided is a method for producing an aqueous α-SF salt solution which has a good production suitability while maintaining a high fluidity.  A method for producing an aqueous α-SF salt solution comprising using solid component (a) which is an α-sulfo fatty acid alkyl ester salt and component (b) which is an inorganic sodium salt and/or an inorganic potassium salt, and dissolving solid component (a) in water employed as a solvent while satisfying the following requirement (i) or (ii) at a temperature of 50oC or higher: (i): in the case where the concentration of the sum of sodium ion and potassium ion derived from component (b) is less than 0.55 mol/kg, the concentration of component (a) being 35 mass % or less; and (ii): in the case where the concentration of the sum of sodium ion and potassium ion derived from component (b) is 0.55 mol/kg or more and less than 1.8 mol/kg, the concentration of component (a) being 55 mass % or less.

Inventors:
MASUI, Hiroyuki (3-7 Honjo 1-chome, Sumida-k, Tokyo 44, 〒1308644, JP)
増井宏之 (〒44 東京都墨田区本所一丁目3番7号 ライオン株式会社内 Tokyo, 〒1308644, JP)
ITAKURA, Kensuke (3-7 Honjo 1-chome, Sumida-k, Tokyo 44, 〒1308644, JP)
Application Number:
JP2009/006282
Publication Date:
May 27, 2010
Filing Date:
November 20, 2009
Export Citation:
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Assignee:
LION CORPORATION (3-7 Honjo 1-chome, Sumida-ku Tokyo, 44, 〒1308644, JP)
ライオン株式会社 (〒44 東京都墨田区本所一丁目3番7号 Tokyo, 〒1308644, JP)
MASUI, Hiroyuki (3-7 Honjo 1-chome, Sumida-k, Tokyo 44, 〒1308644, JP)
増井宏之 (〒44 東京都墨田区本所一丁目3番7号 ライオン株式会社内 Tokyo, 〒1308644, JP)
International Classes:
C07C303/32; C07C309/17; C11D1/28; C11D11/04
Foreign References:
JP2007320978A
JPH0912532A
JPH03106436A
JPS61280467A
Attorney, Agent or Firm:
SHIGA, Masatake et al. (1-9-2, Marunouchi Chiyoda-k, Tokyo 20, 〒1006620, JP)
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