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US 5,328,768 AGranted
Durable water repellant glass surface
AssigneePPG Industries, Inc.
InventorGeorge B. Goodwin
Life of this patent
Estimating the term…
Abstract
A method and article are disclosed wherein a glass substrate is provided with a more durable non-wetting surface by treatment with a perfluoroalkyl alkyl silane and a fluorinated olefin telomer on a surface which comprises a silica primer layer.
Claims20
An article comprising a glass substrate at least a portion of the surface of which is treated with:
- a. first a silica primer layer;
- and
- b. second a perfluoroalkyl alkyl silane layer over the silica primer layer.
A method of producing a non-wetting surface on a glass substrate comprising the steps of:
- a. depositing a silica primer layer on a surface of the glass;
- and
- b. contacting the silica primer layer with a composition comprising a perfluoroalkyl alkyl silane.
Dependencies are inferred from the claim text.