Toy that stably exhibits different colors with indicator for proper temperature application
First Claim
Patent Images
1. A toy at least one section thereof bearing a color memory dye comprising an electron-supplying organic coloring compound, an electron accepting compound and an ester;
- said color memory dye assuming a first color below t1 (°
C.) and a second color above t2 (°
C.), wherein t2>
t1, 0≦
t1, t2≦
50°
C. and 5≦
t2-t1≦
35, both of said first and second colors capable of being displayed between t1 and t2; and
a temperature sensitive visual indicator, said temperature sensitive visual indicator being visible when at least one of said first and second colors is displayed and said temperature sensitive visual indicator operating to communicate written or pictoral information, said written or pictoral information conveying how to display the other of said first or second colors.
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Abstract
An toy set having at least one section which bears a color memory dye of an electron-supplying organic coloring compound, an electron accepting compound and an ester. The color memory dye assumes a first color below t1 (°C.) and a second color above t2 (°C.), wherein t2>t1, 0≦t1, t2≦50° C. and 5≦t2-t1≦35. Both the first and second colors can be displayed between t1 and t2. For the purpose of determining the proper temperature range for a color characteristic, temperature-sensitive visual indicators are provided.
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Citations
32 Claims
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1. A toy at least one section thereof bearing a color memory dye comprising an electron-supplying organic coloring compound, an electron accepting compound and an ester;
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said color memory dye assuming a first color below t1 (°
C.) and a second color above t2 (°
C.), wherein t2>
t1, 0≦
t1, t2≦
50°
C. and 5≦
t2-t1≦
35, both of said first and second colors capable of being displayed between t1 and t2; anda temperature sensitive visual indicator, said temperature sensitive visual indicator being visible when at least one of said first and second colors is displayed and said temperature sensitive visual indicator operating to communicate written or pictoral information, said written or pictoral information conveying how to display the other of said first or second colors. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32)
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Specification