Title:
AQUEOUS COMPOSITION FOR REMOVING COATINGS
Document Type and Number:
WIPO Patent Application WO1999047614
Kind Code:
A3
Abstract:
An aqueous composition for softening or removing organic coatings comprises: (a) an effective amount of a mixture of (a1) at least one non-toxic compound of formula (I), wherein R, R<1> and R<2>, which may be the same or different, represent lower alkyl, phenyl or lower alkyl-phenyl groups (e.g. triethylphosphate), and (a2) at least one non-toxic lower alkyl ester of a C2-20 carboxylic acid or at least one non-toxic C4-12 alkanol (e.g. dimethyl succinate, diethyl succinate, dimethyl adipate, 1,2,3-propanetriol triacetate, tri-n-butyl citrate, n-octyl acetate or methyl octanoate); (b) an effective amount of at least one surfactant to allow the composition to exist as a stable emulsion, the surfactant(s) being selected from nonionic water-soluble block copolymers of more than one alkylene oxide (e.g. Synperonic PE (F-series)); and (c) water; characterised in that component (c) (water) is present in an amount of less than about 50 % by weight and/or volume of component (a) and in that the composition exists as a stable microemulsion.
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Inventors:
CHIVERS IVOR M (GB)
REYNOLDS PAUL A (GB)
REYNOLDS PAUL A (GB)
Application Number:
PCT/GB1999/000882
Publication Date:
December 16, 1999
Filing Date:
March 19, 1999
Export Citation:
Assignee:
ECO SOLUTIONS LIMITED (GB)
CHIVERS IVOR M (GB)
REYNOLDS PAUL A (GB)
CHIVERS IVOR M (GB)
REYNOLDS PAUL A (GB)
International Classes:
C09D9/04; (IPC1-7): C09D9/04
Domestic Patent References:
WO1997024409A1 | 1997-07-10 |
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