US Patent 7678449 Iridescent magnetic effect pigments comprising a ferrite layer
Patent 7678449 was granted and assigned to BASF on March, 2010 by the United States Patent and Trademark Office.
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Patent abstract
Iridescent magnetic pigments are produced by depositing a ferrite layer and a second metal oxide layer in succession on a substrate. The substrate may be platy and is coated with the ferrite, which is then coated with the second metal oxide layer to provide interference color effect. At least one of the layers is magnetic. The magnetic pigment may be used in coatings such as paints.
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Patent Inventor Names
Steven Jones0
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US Patent 07678449 Iridescent magnetic effect pigments comprising a ferrite layer US Patent 7678449 Iridescent magnetic effect pigments comprising a ferrite layer
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Patent Number
076784490
Patent Number
76784490
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Current Assignee
0
Patent Jurisdiction
Patent Number
076784490
Date of Patent
March 16, 2010
0Patent Application Number
115483610
Date Filed
October 11, 2006
0Official Website
Patent Primary Examiner
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US Patent 07678449 Iridescent magnetic effect pigments comprising a ferrite layer
Infobox
Is a
Current assignee
Patent jurisdiction
Patent number
07678449
Date of patent
March 16, 2010
Patent application number
11548361
Date Filed
October 11, 2006
Patent primary examiner
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