Patent ID: 7179783

Claim:
A sulfuric acid amine salt of formula (I): wherein in the formulae, R 31 is a branched C 12-26 alkyl or alkenyl group, or a group represented by the formula R 36 -(OA) n -, wherein R 36 is a linear or branched C 12-36 alkyl or alkenyl group, OA is an oxyalkylene group having 2 to 4 carbon atoms and n is a number of from 0.1 to 10 on the average; R 32 is a linear or branched C 10-36 alkyl or alkenyl group; X is —CONH—, —NHCO—, —COO— or —OCO—; R 33 is a linear or branched C 1-6 alkylene group; R 34 is a linear or branched C 1-6 alkyl or hydroxyalkyl group, or a group represented by R 5 —[B—R 6 ] b —, wherein R 5 is a linear or branched C 10-36 alkyl or alkenyl group, R 6 is a linear or branched C 1-6 alkylene group, B is a group selected from the group consisting of —COO—, —OCO—, —CONH— and —NHCO—, b is a number of 0 or 1; R 35 is a linear or branched C 1-6 alkyl or hydroxyalkyl group; and m is a number of 0 or 1, said sulfuric acid amine salt is obtained by a process comprising: mixing and neutralizing a compound represented by the formula (III) (hereinafter referred to as the compound (III)): R 31 —OSO 2 OH (III) wherein R 31 indicates the same meaning as in the above description, which has been obtained by sulfating an alcohol (hereinafter referred to as an alcohol (II)) represented by the formula (II): R 31 —OH (II) wherein R 31 indicates the same meaning as in the above description, with a molten amine (hereinafter referred to as an amine (IV)) represented by the formula (IV): wherein in the formula (IV), R 32 , X, R 33 , R 34 , R 35 and m indicate the respective same meanings as in the above description for formula (I).