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US Patent 10933681 Secure substrate

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Patent abstractTimelineTable: Further ResourcesReferences
Is a
Patent
Patent
1

Patent attributes

Patent Jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
1
Patent Number
109336811
Patent Inventor Names
Fadi S. Chakar1
Ian Draheim1
Mark R. Fisher1
Date of Patent
March 2, 2021
1
Patent Application Number
165772541
Date Filed
September 20, 2019
1
Patent Citations Received
‌
US Patent 12115803 Fade-resistant water-dispersible phenol-free direct thermal media
2
Patent Primary Examiner
‌
Justin V Lewis
1
Patent abstract

A secure substrate may include a base layer and an opacity layer disposed above the base layer. An optional background layer may be disposed above the opacity layer. The secure substrate may further include an inkjet receptive layer. A first inkjet receptive layer may be disposed above the background layer, and a second inkjet layer may be disposed below the base layer. The opacity layer may include copper such as metallic copper flakes or other particles. The opacity layer may also include a binder material such as polyvinyl alcohol, and in some cases also carbon black, process black, or the like.

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