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US 10,870,775 B2Granted
Optically transparent superhydrophobic thin film
AssigneeWaymo LLC
InventorJohn T. Simpson
Life of this patent
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Abstract
A composition that is easily applied, clear, well-bonded, and superhydrophobic is disclosed. In one aspect, the composition includes a hydrophobic fluorinated solvent, a binder comprising a hydrophobic fluorinated polymer, and hydrophobic fumed silica nanoparticles. Also disclosed is a structure including a substrate coated with the composition, as well as a method for making the composition and a method of coating a substrate with the composition.
Claims16
A composition comprising:
- a hydrophobic fluorinated solvent;
- a binder comprising a hydrophobic fluorinated polymer;
- hydrophobic fumed silica nanoparticles;
- and
- hydrophobic aerogel nanoparticles, wherein the average size of the aerogel nanoparticles is within the range of 10 nm to 200 nm.
2 more elements
Dependencies are inferred from the claim text.