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US 11,904,354 B2Granted
Devices and methods of formulation application to wiper blade and windshield
AssigneeLlinois Tool Works, Inc.
InventorsJohn Isidoro Escoto, Tze-Lee Phang, Jiafu Fang
Life of this patent
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Abstract
A coating composition for imparting a hydrophobic film on a target surface is provided that includes a quaternary ammonium silane, a polyalkylene glycol, and an optional solid lubricant. A kit is also provided that includes an applicator having the above composition applied and instructions for the composition to a blade of a windshield wiper of a vehicle to impart the hydrophobic film to the vehicle windshield contacted by the blade.
Claims18
A kit for producing a hydrophobic film on a surface in contact with a blade of a windshield wiper, the kit comprising:
- an applicator having an applicator surface on a substrate and a nonvolatile layer formed on the applicator surface, the nonvolatile layer adhered to the applicator surface or applied thereto from a container;
- a slot or channel in said applicator surface of said substrate, said slot or channel configured to mate with the blade of the windshield wiper to impart the hydrophobic film to the blade;
- and
- instructions for contacting the applicator surface with the blade to produce hydrophobic film on the surface having a water contact angle of greater than or equal to 60°.
1 more element
Dependencies are inferred from the claim text.