US Patent Issued to HERCULES on April 14 for "Titanium dioxide free white film coating composition, process for preparing the same and method of use thereof" (Delaware Inventors)

ALEXANDRIA, Va., April 15 -- United States Patent no. 12,599,566, issued on April 14, was assigned to HERCULES LLC (Wilmington, Del.).

"Titanium dioxide free white film coating composition, process for preparing the same and method of use thereof" was invented by Kapish Karan (Wilmington, Del.) and Ronald Hach (Wilmington, Del.).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present application provides titanium dioxide free film coating compositions comprising a combination of a water soluble cellulose ether, a water soluble anionic cellulose ether, calcium carbonate and a plasticizer. The invention further provides a process for preparing the film coating compositions and a method of coating solid subst...