C - Chemistry – Metallurgy – 11 – D
Patent
C - Chemistry, Metallurgy
11
D
8/87, 134/5.3
C11D 7/54 (2006.01) C11D 3/39 (2006.01) D06L 3/02 (2006.01)
Patent
CA 1128400
ABSTRACT A process of removing soil and/or stains from fabrics by immersing the fabrics in a peroxygen bleach bath containing as a peroxygen activator an hetero- cyclic sulfonate ester wherein the heterocyclic moiety includes a 5 to 6 membered heterocyclic ring contain- ing 1 to 3 hetero atoms selected from the class con- sisting of -N-, -O- and -S- and the sulfonic acid is selected from the class consisting of an alkanesul- fonic acid of 1 to 18 carbon atoms and an arenesulfonic acid of the benzene and naphthalene series. Also described are dry blend compositions contain- ing the activator and peroxygen.
337907
Blumbergs John H.
Finley Joseph H.
Fmc Corporation
Osler Hoskin & Harcourt Llp
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