US Patent Issued to Societe BIC on May 13 for "Non newtonian ballpoint pen ink comprising cellulose nanofibers" (French Inventors)

ALEXANDRIA, Va., June 12 -- United States Patent no. 12,297,362, issued on May 13, was assigned to Societe BIC (Clichy, France).

"Non newtonian ballpoint pen ink comprising cellulose nanofibers" was invented by Guillaume Caffier (Clichy, France) and Wing Yam Liu (Clichy, France).

According to the abstract* released by the U.S. Patent & Trademark Office: "There is a non-aqueous gel writing ink having an organic solvent, a coloring agent and a gelling agent, and the gelling agent is non-oxidized cellulose nanofibers. There also is a use of non-oxidized cellulose nanofibers as a gelling agent in a non-aqueous gel writing ink. There is finally a writing instrument having the ink according to the present disclosure."

The patent was filed on J...