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US 12,197,059 B2Granted
System with salt-based color adjustment of substrate
AssigneeBIC Violex Single Member S.A.
InventorNikolaos Chrysanthakopoulos
Life of this patent
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Abstract
In a first aspect, the present disclosure relates to a system comprising a writing instrument, wherein the writing instrument comprises a solution of one or more salts and a writing orifice. Furthermore, the system comprises a drawing substrate configured to change color based on the concentration of the one or more salts and/or water content, wherein the drawing substrate comprises cholesteric liquid-crystals.
Claims18
A system comprising:
- a writing instrument, wherein the writing instrument comprises a solution of one or more salts and a writing orifice;
- and
- a drawing substrate configured to change color based on the concentration of the one or more salts and/or water content,
- wherein the drawing substrate comprises cholesteric liquid-crystals and wherein the drawing substrate is configured to absorb water.
1 more element
A system comprising:
- a writing instrument, wherein the writing instrument comprises a solution of one or more salts and a writing orifice;
- and
- a drawing substrate configured to change color based on the concentration of the one or more salts and/or water content,
- wherein the drawing substrate comprises cholesteric liquid-crystals, and
- wherein the writing instrument comprises an ink container, a first water container comprising at least water, and a mixing chamber fluidly connected to the ink container, the first water container and the writing orifice.
2 more elements
A system comprising:
- a writing instrument, wherein the writing instrument comprises a solution of one or more salts and a writing orifice;
- and
- a drawing substrate configured to change color based on the concentration of the one or more salts and/or water content,
- wherein the drawing substrate comprises cholesteric liquid-crystals, and
- wherein the writing instrument comprises a concentration adjustment mechanism, wherein the concentration adjustment mechanism is configured to adjust the concentration of the one or more salts in the solution dispensed by the writing instrument.
2 more elements
Dependencies are inferred from the claim text.