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US 2019/0315982 A1Published application
Whitish writing and marking fluid for capillary systems and writing instrument
AssigneeFaber-Castell AG
InventorsTATIANA APPEL, GERHARD LUGERT, KURT SEIDL
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Abstract
A whitish writing and/or marking fluid, in particular white writing and/or marking fluid, for writing instruments, in particular for capillary writing instruments, or for cosmetic applications, that has a viscosity of less than 30 mPa s (Brookfield, 20° C., cone plate CPE-40), and contains 5 to 15 wt % of an anionic dispersion of a hard resin, an aqueous titanium dioxide dispersion, and a preservative.
Claims14
A whitish writing and/or marking fluid for writing instruments or for cosmetic applications, the whitish writing and/or marking fluid comprising:
- a viscosity of less than 30 mPa s (Brookfield, 20° C., cone plate CPE-40);
- 45 to 70 wt % of an aqueous dispersion of titanium dioxide, a solid content of said aqueous dispersion of titanium dioxide is 70 to 75 wt %;
- 5 to 15 wt % of an anionic dispersion of a hard resin;
- 1.0 to 3.0 wt % of a silicone wetting agent;
- and
- a preservative.
3 more elements
A writing instrument, comprising:
- a writing tip made of a capillary material;
- a reservoir made of a another capillary material;
- and
- a writing and/or marking fluid disposed in said reservoir, said writing and/or marking fluid having:
- a viscosity of less than 30 mPa s (Brookfield, 20° C., cone plate CPE-40);
- 45 to 70 wt % of an aqueous dispersion of titanium dioxide, a solid content of said aqueous dispersion of titanium dioxide is 70 to 75 wt %;
- 5 to 15 wt % of an anionic dispersion of a hard resin;
- 1.0 to 3.0 wt % of a silicone wetting agent;
- and
- a preservative.
7 more elements
Dependencies are inferred from the claim text.