ALEXANDRIA, Va., April 7 -- United States Patent no. 12,595,238, issued on April 7.

"Process for producing hexahydro 1,3,5-trinitro-1,3,5-triazine and octahydro-1,3,5,7-tetranitro-1,3,5,7-tetrazocine" was invented by James E. Phillips (Kingsport, Tenn.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Formation of methanoic acid, during the production of Hexahydro-1,3,5-trinitro-1,3,5-triazine and Octahydro-1,3,5,7-tetranitro-1,3,5,7-tetrazocine via the legacy Bachmann nitrolysis process, is avoided when the workup is performed under neutralized, anhydrous conditions. The recovered anhydrous spent acid is used directly in successive nitrolysis batches with minimal processing. The yield and quality of the hexahy...