US Patent Issued to Waters Technologies on Nov. 25 for "Composite particles with non-porous hybrid organic-inorganic material" (Massachusetts, Connecticut Inventors)

ALEXANDRIA, Va., Nov. 25 -- United States Patent no. 12,478,949, issued on Nov. 25, was assigned to Waters Technologies Corp. (Milford, Mass.).

"Composite particles with non-porous hybrid organic-inorganic material" was invented by Daniel P. Walsh (Danvers, Mass.), Mingcheng Xu (Lexington, Mass.) and Nicole L. Lawrence (Stafford Springs, Conn.).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure pertains to composite particles with polymer-based cores, which eliminate the high pH failure mechanism of silica-based core-shell silica particles. In various embodiments, a non-porous polymer core is surface modified. In various embodiments, a non-porous hybrid organic-inorganic material is in cont...