US Patent Issued to BAYER on Feb. 10 for "Process for preparing a tetrazole-substituted anthranilic acid diamide derivative" (German Inventors)

ALEXANDRIA, Va., Feb. 11 -- United States Patent no. 12,545,661, issued on Feb. 10, was assigned to BAYER AG (Germany).

"Process for preparing a tetrazole-substituted anthranilic acid diamide derivative" was invented by Daniel Gallenkamp (Wuppertal, Germany), Edith Beckmann (Cologne, Germany), Ute Elias (Leverkusen, Germany), Dirk Havekost (Cologne, Germany), Michal Sowa (Wuppertal, Germany) and Britta Olenik (Bottrop, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention relates to a process for preparing a tetrazole-substituted anthranilic acid diamide derivative according to formula (I)in crystalline form via solvate crystals in high purity and high yield. The present invention also...