ALEXANDRIA, Va., Feb. 11 -- United States Patent no. 12,545,639, issued on Feb. 10, was assigned to PI INDUSTRIES LTD. (Udaipur-Rajasthan, India).

"3-substituted phenylamidine compounds, preparation and use thereof" was invented by Maruti Naik (Karnataka, India), Vishal A. Mahajan (Maharashtra, India), S. Sivakumar (Tamilnadu, India), Kishor Singh Rathod (Jodhpur-Rajasthan, India), Sachin Nagnath Gumme (Maharashtra, India), Santosh Shridhar Autkar (Maharashtra, India), Ruchi Garg (Uttar Pradesh, India), Hagalavadi M Venkatesha (Karnataka, India) and Alexander G. M. Klausener (Pulheim, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention disclosed 3-substituted phenylamidine compounds ...