Composition for water-removable ink

Details Composition for water-removable ink Composition for water-removable ink

2007-11-13

2007-11-13

Lorengo, J. A. (Department: 1755)

Compositions: coating or plastic

Coating or plastic compositions

Marking

C106S031190

Reexamination Certificate

active

11182202

ABSTRACT:
The present invention provides a composition for water-removable ink with an effect of coupling retardation by using an aliphatic alcohol as a solvent, which is selected from a group comprising n-butyl alcohol, n-propyl alcohol, isopropyl alcohol and pentanol, so that the curiosity of infants or juveniles can be stimulated to enhance the learning effect and also various desires of students or adults can be satisfied in terms of ornamental purposes.

REFERENCES:
patent: 5981115 (1999-11-01), Furuya et al.
patent: 6063173 (2000-05-01), Torii et al.
patent: 6172001 (2001-01-01), Hotta et al.

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