Corrector fluid with drying indicator

Details Corrector fluid with drying indicator Corrector fluid with drying indicator

C - Chemistry, Metallurgy

09

D

C09D 10/00 (2006.01) C09K 11/06 (2006.01)

Patent

CA 2671761

The invention relates to a corrector fluid with a coloured drying indicator, containing (a) sodium 8-hydroxy-l, 3, 6- pyrenetrisulfonate as a fluorescent dye, (b) a good solvent for the fluorescent dye having a boiling point lower than or equal to 100°C, and preferably (c) a bad solvent for the fluorescent dye that can be mixed with the good solvent (b) for the fluorescent dye.

L' invention concerne un fluide correcteur avec indicateur de séchage coloré, contenant (a) en tant que colorant fluorescent, du 8-hydroxy-l, 3, 6- pyrènetrisulf onate de sodium, (b) un bon solvant du colorant fluorescent ayant un point d' ébullition inférieur ou égal à 100 0C et, de préférence, (c) un mauvais solvant du colorant fluorescent, miscible avec le bon solvant (b) du colorant fluorescent.

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