Artificial plant that stably exhibits different colors

Details Artificial plant that stably exhibits different colors Artificial plant that stably exhibits different colors

1990-10-03

1992-01-07

Hess, Bruce H.

Stock material or miscellaneous articles

Three dimension imitation or 'treated' natural product

Flora

4283215, 428913, A41G 100

Patent

active

050790498

ABSTRACT:
An artificial plant having at least one section which bears a color memory dye of an electron-supplying organic coloring compound, an electron accepting compound an an ester. The color memory dye assumes a first color below t1 (.degree. C.) and a second color above t2 (.degree. C.), wherein t2>t1, 0.ltoreq.t1, t2.ltoreq.50.degree. C. and 5.ltoreq.t2-t1.ltoreq.35. Both the first and second colors can be displayed between t1 and t2.

REFERENCES:
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patent: 4895827 (1990-01-01), Vervacke et al.
patent: 4917643 (1990-04-01), Hippely
patent: 4920991 (1990-05-01), Shibahashi et al.

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