Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Kwong Hang Adwood Tang0
Anthony P. Bazan0
Kathleen Torrell0
Date of Patent
May 31, 2011
Patent Application Number
11406046
Date Filed
April 17, 2006
Patent Primary Examiner
Patent abstract
A composition of liquid graphite is presented. The liquid graphite can be erased and applied to a surface using a writing instrument such as a ball point pen with a consistency, accuracy and darkness equivalent to that of a standard graphite, No. 2 pencil. The liquid graphite comprises a formulation of carbon powder, solvent and adhesive in a concentration that provides a dark, consistent marking.
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