ALEXANDRIA, Va., May 19 -- United States Patent no. 12,629,329, issued on May 19, was assigned to Roquette Freres (Lestrem, France).
"Native and porous starch as white pigment in toothpaste" was invented by Jovin Hasjim (Shanghai), Guangyu Zhang (Shanghai), Jia Li (Shanghai) and Bernard Pora (Shanghai).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention relates to the use of native and/or porous starch as white pigment in dental health products and in particular in toothpastes. The present invention also relates to the process of fabricating a dental health product composition and in particular a toothpaste composition."
The patent was filed on Jan. 12, 2021, under Application No. 17/758,552...