Surface-active, saturated sulfophosphoric acid-(partial)-alkyl e

Details Surface-active, saturated sulfophosphoric acid-(partial)-alkyl e Surface-active, saturated sulfophosphoric acid-(partial)-alkyl e

1989-01-30

1990-09-11

Lieberman, Paul

Compositions

Water-softening or purifying or scale-inhibiting agents

252135, 252DIG17, 558 70, 558 87, C11D 306, C11D 3065, C11D 716, C11D 1104

Patent

active

049561162

ABSTRACT:
A process for preparing surface-active, saturated sulfophosphoric acid-(partial)-alkyl esters and their alkali metal, alkaline earth, ammonium and/or amine salts by the sulfonation of saturated phosphoric acid-(partial)-alkyl esters and then hydrolysis of the sulfonated phosphoric acid esters formed.

REFERENCES:
patent: 2212521 (1940-08-01), Harris
patent: 2336230 (1943-12-01), Dickey et al.
patent: 2862019 (1958-11-01), Schrader
patent: 3338948 (1967-08-01), Hieronymons et al.
patent: 3346505 (1967-10-01), Blakeway et al.
patent: 3484474 (1969-12-01), Krause
patent: 3828084 (1974-08-01), Kaplan et al.
patent: 4390465 (1983-06-01), Spekman, Jr.
patent: 4707292 (1987-11-01), Sano et al.
patent: 4830764 (1989-05-01), Wiedemann
"Soap, Cosmetic & Chemical Specialities" (1986) vol. 7, p. 26-Phosphate Esters, O'Lenick et al. (SCSS).
J. Am. Oil Chem. Soc. 41, 205 (1964); J. Am. Oil Chem. Soc. 64, 1038 (1987); Soap, Cosm, Spec. 7, 26 (1986).

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