US Patent Issued to NIPPON FIBER on July 21 for "Radiation-resistant inorganic material and fiber thereof" (Japanese Inventor)

ALEXANDRIA, Va., July 21 -- United States Patent no. 12,686,632, issued on July 21, was assigned to NIPPON FIBER Corp. (Abiko-City, Japan).

"Radiation-resistant inorganic material and fiber thereof" was invented by Hiroshi Fukazawa (Abiko-City, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "An inorganic material including SiO2, Al2O3, CaO, and Fe2O3 as components, in which the mass percentages of the components in terms of oxide in the inorganic material are set as follows: i) the total content of SiO2 and Al2O3 is from 40% by mass to 70% by mass; ii) the ratio Al2O3/(SiO2+Al2O3) (mass ratio) is in the range of 0.15 to 0.40; iii) the content of Fe2O3 is from 16% by mass to 25% by mass; and iv) the cont...