Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Bryan A. Netsch0
Date of Patent
December 28, 2010
0Patent Application Number
113671620
Date Filed
March 3, 2006
0Patent Primary Examiner
Patent abstract
A latent image developing system, methods for imaging and developing images, and systems and methods for blocking or erasing latent images. The latent image developing system includes a substrate containing a colorless image deposited thereon. A developer instrument is used to provide a visible image. The developer instrument includes a developer composition reactive with the colorless image. An image blocking instrument is provided for concealing at least a portion of the visible image. The image blocking instrument is provided by a blocking composition applicator and an aqueous mixture of blocking composition and water.
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