Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Philippe Lefebvre0
Christelle Debrauwer0
Frédéric Claptien0
Julien Gouerec0
Date of Patent
July 27, 2021
0Patent Application Number
166042200
Date Filed
April 9, 2018
0Patent Citations
Patent Primary Examiner
Patent abstract
A pencil lead and a pencil containing the pencil lead wherein the pencil lead is polymer-based, extrudable, non-expanded, non-calcined and comprises graphite, of which 25% to 100% by weight or 50% to 100% by weight of the graphite, in relation to the total weight of the graphite, is expanded graphite.
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