4-hydroxy-4'-isopropoxydiphenylsulfone and its use for color-dev

Details 4-hydroxy-4'-isopropoxydiphenylsulfone and its use for color-dev 4-hydroxy-4'-isopropoxydiphenylsulfone and its use for color-dev

1985-09-16

1986-10-07

Hess, Bruce H.

Recorders

Record receiver deforming

346209, 346216, 346225, 427150, B41M 518

Patent

active

046162399

ABSTRACT:
4-Hydroxy-4'-isopropoxydiphenylsulfone useful as color developer for heat-sensitive color-developable recording material.

REFERENCES:
patent: 4446209 (1984-05-01), Iwakura et al.
patent: 4453744 (1984-06-01), Wurmli et al.

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