US Patent Issued to The Government of the United States of America, as represented by the Secretary of the Navy on March 18 for "Scalable method for preparing crystalline borosulfate materials" (Virginia, Maryland Inventors)

ALEXANDRIA, Va., March 19 -- United States Patent no. 12,252,408, issued on March 18, was assigned to The Government of the United States of America, as represented by the Secretary of the Navy (Arlington, Va.).

"Scalable method for preparing crystalline borosulfate materials" was invented by Brian L. Chaloux (Alexandria, Va.), James A. Ridenour (Arlington, Va.) and Albert Epshteyn (Potomac, Md.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method of preparing borosulfate materials avoids the need for fuming sulfuric acid, also known as oleum. Instead, B(OH)3 present in solution in concentrated sulfuric acid at 5% to 15% by weight is reacted with a cation source at 100-250deg C. under dynamic vacuum while...