C - Chemistry – Metallurgy – 09 – D
Patent
C - Chemistry, Metallurgy
09
D
C09D 9/00 (2006.01)
Patent
CA 2154169
A cleaning composition to remove unwanted paint, graffiti or other coatings from a substrate comprises 40-90 wt.% of a five-membered. ring lactam, such as N-methyl-2-pyrrolidone, and 10-60 wt.% of a glycerol triester of a C1-C4 saturated aliphatic monocarboxylic acid. Additionally, up to 25 wt.% of the composition of diethylphtalate, diisopropyl adipate and/or a C1-C4 alkyl lactate may be present. Also a method of cleaning substrates and woven or non-woven tissue impregnated with the cleaning composition has been claimed.
Heymann Anette
Vonk Pieter
Bereskin & Parr Llp/s.e.n.c.r.l.,s.r.l.
Unichema Chemie B.v.
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