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Patent Searching and Data


Title:
METHOD FOR PRODUCING LINEAR LONG CHAIN DIBASIC ACID
Document Type and Number:
Japanese Patent JP2001192693
Kind Code:
A
Abstract:

To provide a method for simply producing from sesame seed coats a linear long chain dibasic acid which has an excellent color tone, scarcely smells, and contains octacosadicarboxylic acid as a main component.

This method for producing a linear long chain dibasic acid containing octacosadicarboxylic acid as a main component, characterized by extracting seed coats obtained from non-roasted sesame seeds as a raw material with an extracting solvent using a polar solvent at a temperature of ≥50°C, removing extraction residues, and then subjecting the extract to methods such as cooling, concentration, solvent separation and pH adjustment to deposit the linear long chain dibasic acid.


Inventors:
Uehara, Hidetaka
Hirose, Tadashiro
Application Number:
JP2000000005265
Publication Date:
July 17, 2001
Filing Date:
January 05, 2000
Export Citation:
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Assignee:
NISSHIN OIL MILLS LTD:THE
International Classes:
C07C51/48; C07C55/02; C11B1/10; C11B7/00; C11C1/08; (IPC1-7): C11B7/00; C07C51/48; C07C55/02; C11B1/10; C11C1/08