Compositions – Water-softening or purifying or scale-inhibiting agents
Patent
1984-05-29
1986-02-25
Lieberman, Paul
Compositions
Water-softening or purifying or scale-inhibiting agents
252158, 252170, 252172, 25217416, 252DIG8, 252DIG17, 252162, 134 2, 134 38, C11D 730
Patent
active
045727929
ABSTRACT:
A composition is provided which is especially adapted for use in stripping a polysulfide basecoat (sealant) from a surface. The composition comprises, as essential ingredients, a chlorinated solvent and an effective amount of at least one activator selected from the group consisting of lower alkyl phosphite and aryl phosphine.
A method of stripping or removing a polysulfide basecoat (sealant) from a surface is also provided. The polysulfide basecoat may have associated therewith a polyurethane topcoat.
REFERENCES:
patent: 3015825 (1971-10-01), Gansser
patent: 3743542 (1973-07-01), Cooper et al.
patent: 3983047 (1976-09-01), Vinson
patent: 4278557 (1981-07-01), Elwell, Jr.
patent: 4396436 (1983-08-01), Laemmle et al.
Le Hoa Van
Lieberman Paul
McGean-Rohco, Inc.
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