US Patent Issued to FUJIFILM Business Innovation on July 28 for "Method for producing electrostatic image developing toner" (Japanese Inventors)

ALEXANDRIA, Va., July 28 -- United States Patent no. 12,693,606, issued on July 28, was assigned to FUJIFILM Business Innovation Corp. (Tokyo).

"Method for producing electrostatic image developing toner" was invented by Keita Yamamoto (Kanagawa, Japan), Daisuke Noguchi (Kanagawa, Japan) and Yuji Isshiki (Kanagawa, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method for producing an electrostatic image developing toner includes a step 1 of producing toner particles by a wet process, the toner particles including an amorphous polyester resin, a crystalline polyester resin, and a vinyl resin, and a step 2 of bringing acidic water into contact with the toner particles."

The patent was filed on Sept. 2...