Organic compounds -- part of the class 532-570 series – Organic compounds – Phosphorus esters
Patent
1987-06-16
1990-03-27
Sutto, Anton H.
Organic compounds -- part of the class 532-570 series
Organic compounds
Phosphorus esters
558186, 25217416, C07F 909
Patent
active
049122452
ABSTRACT:
Surfactant compositions in an acidic or neutralized form containing a mixture of at least one polyoxyalkylenated phosphoric acid monoester and at least one polyoxyalkylenated diester and a nonionic polyoxyalkylenated compound wherein the phosphoric acid diester:phosphoric acid monoester molar ratio before neutralization, if carried out, is at least equal to 0.9:1 and the phosphoric acid monoester and phosphoric acid diester content is at least 1 mol %, preferably at least 50 mol % of said composition. The surfactant compositions are prepared by phosphatization of a nonionic polyoxyalkylenated compound at a temperature of from about 35.degree. to about 45.degree. C. followed by maturing at from about 40.degree. to about 60.degree. C., in a stirred turbulent state. The compositions are useful in the formulation of active substances in the form of microgranules and flowables.
REFERENCES:
patent: 3004056 (1961-10-01), Nunn, Jr. et al.
patent: 3004057 (1961-10-01), Nunn, Jr. et al.
patent: 3117152 (1964-01-01), Michaels
patent: 3317305 (1967-05-01), Stefcik et al.
patent: 3422166 (1969-01-01), Davis
patent: 3755509 (1973-08-01), Nunn, Jr. et al.
Girardeau Yvette
Segaud Christian
Rhone-Poulenc Chimie
Sutto Anton H.
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