A method of coating an article includes the steps of providing a powder comprising coated particles; and spray coating the powder onto a surface of the article to form a composite coating. The spray coating may be carried out by combustion spraying, gas plasma spraying, including vacuum plasma spraying (VPS), and cold spraying. The article may be an implant for surgical or dental use. The powder may include particles of metal coated calcium phosphates, especially metal coated hydroxyapatite. The particles may include bio­active agents.
Original languageEnglish
Patent numberUS 9,237,989 B2
Priority date28/05/10
Filing date19/11/13
Publication statusPublished - 19 Jan 2016


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