Compositions – Water-softening or purifying or scale-inhibiting agents
Patent
1984-09-13
1986-08-19
Lovering, Richard D.
Compositions
Water-softening or purifying or scale-inhibiting agents
134 38, 252170, 252312, 252550, 252558, 252559, 252610, 252DIG8, 514941, 514942, C09D 904, C11D 750, B01J 1300
Patent
active
046068406
ABSTRACT:
Aqueous composition for the dispersion of hydrophobic substances, constituted by a microemulsion of one or more hydrocarbons, ketones and alcohols and/or glycol ethers or esters in the presence of a surfactant compound, in water, characterized in that the water has a pH of 8 to 14 and that the molar ratio of the carbonyl groups (--CO--) present to the hydrocarbon is from 0.2 to 1.
Application of this composition to the removal of various paints, in particular to washing brushes; washing can be finished with water.
REFERENCES:
patent: 1884773 (1932-10-01), Lougovoy
patent: 2140519 (1938-12-01), Elston
patent: 2697674 (1954-12-01), Eisen
patent: 2721848 (1955-10-01), Vitalis
patent: 3976582 (1976-08-01), Douglas et al.
patent: 4022699 (1977-05-01), Holm
Gautier Jean-Claude
Lanore Francois
Lovering Richard D.
Societe Nationale Elf Aquitaine
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