US Patent Issued to Colgate-Palmolive on July 8 for "Core shell silica particles and use for malodor reduction" (Pennsylvania, New Jersey Inventors)

ALEXANDRIA, Va., July 9 -- United States Patent no. 12,350,354, issued on July 8, was assigned to Colgate-Palmolive Co. (New York).

"Core shell silica particles and use for malodor reduction" was invented by Guisheng Pan (Philadelphia) and Suman Chopra (Monroe, N.J.).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention relates to core shell silica particles, wherein each core shell silica particle comprises a silica core, and a surface of the silica core is etched with metal silicate, the core shell silica particles prepared by: i) admixing an amount of silica particles in water with an amount of a base, wherein the base comprises a monovalent metal ion, to produce core shell silica particles,...