Visually imageable polyacetylene salt dyes

Details Visually imageable polyacetylene salt dyes Visually imageable polyacetylene salt dyes

1991-03-18

1992-08-11

Michl, Paul R.

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

Synthetic resins

At least one aryl ring which is part of a fused or bridged...

526285, 548156, C08L 4900

Patent

active

051379643

ABSTRACT:
This invention relates to novel thermochromic quaternized polyacetylene salt derivatives which are visually imageable by exposure to a light source generating energy in a wavelength of from about 400 nm to about 1500 nm said salt derivatives having a thermosensitivity of at least 50.degree. C. and defined by the formula

REFERENCES:
patent: 5004671 (1991-04-01), Nishimura et al.
patent: 5049428 (1991-09-01), Kanno et al.

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