US Patent Issued to FUSHIMI PHARMACEUTICAL on Dec. 23 for "Cyclic phosphazene compound having oxaphosphorin ring-containing structure" (Japanese Inventors)

ALEXANDRIA, Va., Dec. 23 -- United States Patent no. 12,503,480, issued on Dec. 23, was assigned to FUSHIMI PHARMACEUTICAL Co. LTD. (Marugame, Japan).

"Cyclic phosphazene compound having oxaphosphorin ring-containing structure" was invented by Yuji Tada (Marugame, Japan), Atsushi Sunada (Marugame, Japan) and Keiichiro Utsumi (Marugame, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A novel cyclic phosphazene compound that is represented by Formula (1) and is useful as a flame retardant of a resin material can enhance flame retardancy of the resin material and achieve good dielectric properties while suppressing deterioration in physical properties. In Formula (1), n is an integer of 3 to 8. R1 and R2 a...