US Patent Issued to SOCIETE BIC on July 28 for "Coloring pencil lead for synthetic pencil based on biopolymers blends" (French Inventor)

ALEXANDRIA, Va., July 28 -- United States Patent no. 12,691,703, issued on July 28, was assigned to SOCIETE BIC (Clichy Cedex, France).

"Coloring pencil lead for synthetic pencil based on biopolymers blends" was invented by Julien Gouerec (Clichy Cedex, France).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention relates to a polymer-based extendable lead or refill for writing, drawing and/or painting tools comprising a binder comprising a mixture of polylactide with at least one polymer having a flexural modulus inferior to the flexural modulus of polylactide and at least one filler. It also relates to writing, drawing and/or painting tool, advantageously a pencil, comprising lead or a refill...