Color developable composition

Details Color developable composition Color developable composition

1979-09-27

1982-07-13

Hayes, Lorenzo B.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Processes of preparing a desired or intentional composition...

282 275, 427150, 427151, 428488, 106 21, 524159, 524 88, 524157, C09D 1100

Patent

active

043392750

ABSTRACT:
A composition for coating a substrate for use in an image wise developable or transferal system comprises (I) a free base of a cationic solvent dye capable of developing a color or at least a more intense color upon reaction with an organic acid developing compound and (II) a binder which is a wax or resin which does not develop said free base and which has been mixed with said free base in the presence of a non developing substantially non-polar solvent. Various forms of coating including the color developer composition in a layer or particulate form are applicable to different end uses.

REFERENCES:
patent: 3952129 (1976-04-01), Matsukawa et al.
patent: 4180405 (1979-12-01), Lawton

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