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US 5,308,705 AGranted
Water repellent surface treatment
AssigneePPG Industries, Inc.
InventorsHelmut Franz, George B. Goodwin
Life of this patent
Estimating the term…
Abstract
A method and article are disclosed wherein a metal, polymeric or inorganic coated substrate is provided with a durable non-wetting surface by treatment with a perfluoroalkyl alkyl silane and a fluorinated olefin telomer.
Claims10
An article comprising a substrate at least a portion of the surface of which is treated with a composition comprising:
- a. a perfluoroalkyl alkyl silane;
- and
- b. a fluorinated olefin telomer, wherein the substrate is uncoated or inorganic coated and selected from the group consisting of metals, polymers, ceramics and enamels.
Dependencies are inferred from the claim text.